Rhabdomyosarcoma differential diagnosis: Difference between revisions

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! align="center" style="background:#DCDCDC;" |[[Ewing sarcoma]]<ref name="pmid12560386">{{cite journal| author=Burchill SA| title=Ewing's sarcoma: diagnostic, prognostic, and therapeutic implications of molecular abnormalities. | journal=J Clin Pathol | year= 2003 | volume= 56 | issue= 2 | pages= 96-102 | pmid=12560386 | doi= | pmc=1769883 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12560386  }}</ref><ref name="pmid8443760">{{cite journal| author=Maygarden SJ, Askin FB, Siegal GP, Gilula LA, Schoppe J, Foulkes M et al.| title=Ewing sarcoma of bone in infants and toddlers. A clinicopathologic report from the Intergroup Ewing's Study. | journal=Cancer | year= 1993 | volume= 71 | issue= 6 | pages= 2109-18 | pmid=8443760 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8443760  }}</ref><ref name="pmid8988217">{{cite journal| author=Panicek DM, Gatsonis C, Rosenthal DI, Seeger LL, Huvos AG, Moore SG et al.| title=CT and MR imaging in the local staging of primary malignant musculoskeletal neoplasms: Report of the Radiology Diagnostic Oncology Group. | journal=Radiology | year= 1997 | volume= 202 | issue= 1 | pages= 237-46 | pmid=8988217 | doi=10.1148/radiology.202.1.8988217 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8988217  }}</ref><ref name="pmid29977059">{{cite journal| author=Grünewald TGP, Cidre-Aranaz F, Surdez D, Tomazou EM, de Álava E, Kovar H et al.| title=Ewing sarcoma. | journal=Nat Rev Dis Primers | year= 2018 | volume= 4 | issue= 1 | pages= 5 | pmid=29977059 | doi=10.1038/s41572-018-0003-x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=29977059  }}</ref>
! align="center" style="background:#DCDCDC;" |[[Ewing sarcoma]]<ref name="pmid12560386">{{cite journal| author=Burchill SA| title=Ewing's sarcoma: diagnostic, prognostic, and therapeutic implications of molecular abnormalities. | journal=J Clin Pathol | year= 2003 | volume= 56 | issue= 2 | pages= 96-102 | pmid=12560386 | doi= | pmc=1769883 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12560386  }}</ref><ref name="pmid8443760">{{cite journal| author=Maygarden SJ, Askin FB, Siegal GP, Gilula LA, Schoppe J, Foulkes M et al.| title=Ewing sarcoma of bone in infants and toddlers. A clinicopathologic report from the Intergroup Ewing's Study. | journal=Cancer | year= 1993 | volume= 71 | issue= 6 | pages= 2109-18 | pmid=8443760 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8443760  }}</ref><ref name="pmid8988217">{{cite journal| author=Panicek DM, Gatsonis C, Rosenthal DI, Seeger LL, Huvos AG, Moore SG et al.| title=CT and MR imaging in the local staging of primary malignant musculoskeletal neoplasms: Report of the Radiology Diagnostic Oncology Group. | journal=Radiology | year= 1997 | volume= 202 | issue= 1 | pages= 237-46 | pmid=8988217 | doi=10.1148/radiology.202.1.8988217 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8988217  }}</ref><ref name="pmid29977059">{{cite journal| author=Grünewald TGP, Cidre-Aranaz F, Surdez D, Tomazou EM, de Álava E, Kovar H et al.| title=Ewing sarcoma. | journal=Nat Rev Dis Primers | year= 2018 | volume= 4 | issue= 1 | pages= 5 | pmid=29977059 | doi=10.1038/s41572-018-0003-x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=29977059  }}</ref>
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| align="left" style="background:#F5F5F5;" |
* Include [[ewing sarcoma]], askin tumor, and peripheral  [[Neuroectodermal tumor primitive|neuroectodermal tumors primitive]]
* Include [[ewing sarcoma]], askin [[tumor]], and peripheral  [[Neuroectodermal tumor primitive|neuroectodermal tumors primitive]]
* The second most common [[childhood]] [[malignant]] primary [[bone]] [[tumors]]  
* The second most common [[childhood]] [[malignant]] primary [[bone]] [[tumors]]  
* Usually arises in the long [[bones]] of the [[extremities]]
* Usually arises in the long [[bones]] of the [[extremities]]
Line 158: Line 158:
* Regular sized [[Primitive (integral)|primitive]] appearing [[Cells (biology)|cells]]
* Regular sized [[Primitive (integral)|primitive]] appearing [[Cells (biology)|cells]]
|-
|-
! align="center" style="background:#DCDCDC;" |Pediatric neuroblastoma <ref name="pmid12110723">{{cite journal| author=Lonergan GJ, Schwab CM, Suarez ES, Carlson CL| title=Neuroblastoma, ganglioneuroblastoma, and ganglioneuroma: radiologic-pathologic correlation. | journal=Radiographics | year= 2002 | volume= 22 | issue= 4 | pages= 911-34 | pmid=12110723 | doi=10.1148/radiographics.22.4.g02jl15911 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12110723  }}</ref><ref name="pmid12580370">{{cite journal| author=Golden CB, Feusner JH| title=Malignant abdominal masses in children: quick guide to evaluation and diagnosis. | journal=Pediatr Clin North Am | year= 2002 | volume= 49 | issue= 6 | pages= 1369-92, viii | pmid=12580370 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12580370  }}</ref><ref name="pmid2403727">{{cite journal| author=Angstman KB, Miser JS, Franz WB| title=Neuroblastoma. | journal=Am Fam Physician | year= 1990 | volume= 41 | issue= 1 | pages= 238-44 | pmid=2403727 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=2403727  }}</ref><ref name="pmid6493702">{{cite journal| author=Musarella MA, Chan HS, DeBoer G, Gallie BL| title=Ocular involvement in neuroblastoma: prognostic implications. | journal=Ophthalmology | year= 1984 | volume= 91 | issue= 8 | pages= 936-40 | pmid=6493702 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=6493702  }}</ref>
! align="center" style="background:#DCDCDC;" |[[Pediatric]] [[neuroblastoma]] <ref name="pmid12110723">{{cite journal| author=Lonergan GJ, Schwab CM, Suarez ES, Carlson CL| title=Neuroblastoma, ganglioneuroblastoma, and ganglioneuroma: radiologic-pathologic correlation. | journal=Radiographics | year= 2002 | volume= 22 | issue= 4 | pages= 911-34 | pmid=12110723 | doi=10.1148/radiographics.22.4.g02jl15911 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12110723  }}</ref><ref name="pmid12580370">{{cite journal| author=Golden CB, Feusner JH| title=Malignant abdominal masses in children: quick guide to evaluation and diagnosis. | journal=Pediatr Clin North Am | year= 2002 | volume= 49 | issue= 6 | pages= 1369-92, viii | pmid=12580370 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12580370  }}</ref><ref name="pmid2403727">{{cite journal| author=Angstman KB, Miser JS, Franz WB| title=Neuroblastoma. | journal=Am Fam Physician | year= 1990 | volume= 41 | issue= 1 | pages= 238-44 | pmid=2403727 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=2403727  }}</ref><ref name="pmid6493702">{{cite journal| author=Musarella MA, Chan HS, DeBoer G, Gallie BL| title=Ocular involvement in neuroblastoma: prognostic implications. | journal=Ophthalmology | year= 1984 | volume= 91 | issue= 8 | pages= 936-40 | pmid=6493702 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=6493702  }}</ref>
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* Most common extracranial solid tumor of infancy
* Most common extracranial [[solid]] [[tumor]] of [[infancy]]
* Arising from  pluripotent sympathetic cells
* Arising from  [[pluripotent]] [[sympathetic]] [[Cells (biology)|cells]]
Age distribution:
[[Age]] distribution:
* < 1 years old ( 40%)  
* < 1 years old ( 40%)  
* 1-2 years old (35%)
* 1-2 years old (35%)
* > 2 years old (25%)
* > 2 years old (25%)
| align="left" style="background:#F5F5F5;" |
| align="left" style="background:#F5F5F5;" |
+ (Abdominal)
+ ([[Abdominal]])
| align="left" style="background:#F5F5F5;" | +
| align="left" style="background:#F5F5F5;" | +
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| align="left" style="background:#F5F5F5;" |
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* [[Diarrhea]]
* [[Diarrhea]]
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| align="left" style="background:#F5F5F5;" |
+(Abdominal)
+([[Abdominal]])
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* [[Proptosis]]
* [[Proptosis]]
* Periorbital ecchymosis
* Periorbital [[ecchymosis]]
* Horner syndrome
* [[Horner syndrome]]
* Opsoclonus myoclonus syndrome
* [[Opsoclonus myoclonus syndrome]]
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* Chromosome1p deletion  
* [[Chromosome]] 1p [[Deletion (genetics)|deletion]]
* N-myc amplification
* [[N-myc-interactor|N-myc]] [[amplification]]
| align="left" style="background:#F5F5F5;" |CT scan:
| align="left" style="background:#F5F5F5;" |[[CT scan]]:
* Heterogeneous mass
* [[Heterogeneous]] [[mass]]
* Calcifications
* [[Calcification]]
* Necrotic areas
* [[Necrotic]] areas
MRI:
[[MRI]]:
*T1:
*[[T1]]:
** heterogeneous mass
** [[heterogeneous]] [[mass]]
*T2:
*[[Magnetic resonance imaging|T2]]:
** heterogeneous/ hyperintense
** [[Heterogeneous]]/ hyperintense
** cystic/necrotic areas  
** [[Cystic]]/ [[necrotic]] areas  
*C+ (Gd):
*C+ (Gd):
** Heterogeneous mass
** [[Heterogeneous]] [[mass]]
| align="left" style="background:#F5F5F5;" |
| align="left" style="background:#F5F5F5;" |
* Well defined/ infiltrative mass
* Well defined/ infiltrative [[mass]]
* Homer wright rosettes  
* Homer [[Wright stain|wright]] rosettes  
* Secretion of vanillylmandelic acid (VMA) and homovanillic acid (HVA)
* [[Secretion]] of [[vanillylmandelic acid]] (VMA) and [[homovanillic acid]] (HVA)
|-
|-
! align="center" style="background:#DCDCDC;" |Pediatric pheochromocytoma<ref name="pmid23345359">{{cite journal| author=Leung K, Stamm M, Raja A, Low G| title=Pheochromocytoma: the range of appearances on ultrasound, CT, MRI, and functional imaging. | journal=AJR Am J Roentgenol | year= 2013 | volume= 200 | issue= 2 | pages= 370-8 | pmid=23345359 | doi=10.2214/AJR.12.9126 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23345359  }}</ref><ref name="pmid1988766">{{cite journal| author=Stein PP, Black HR| title=A simplified diagnostic approach to pheochromocytoma. A review of the literature and report of one institution's experience. | journal=Medicine (Baltimore) | year= 1991 | volume= 70 | issue= 1 | pages= 46-66 | pmid=1988766 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1988766  }}</ref><ref name="pmid17876523">{{cite journal| author=Bravo EL| title=Pheochromocytoma: new concepts and future trends. | journal=Kidney Int | year= 1991 | volume= 40 | issue= 3 | pages= 544-56 | pmid=1787652 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1787652  }}</ref><ref name="pmid1787652">{{cite journal| author=Bravo EL| title=Pheochromocytoma: new concepts and future trends. | journal=Kidney Int | year= 1991 | volume= 40 | issue= 3 | pages= 544-56 | pmid=1787652 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1787652  }} </ref>
! align="center" style="background:#DCDCDC;" |[[Pediatric]] [[pheochromocytoma]]<ref name="pmid23345359">{{cite journal| author=Leung K, Stamm M, Raja A, Low G| title=Pheochromocytoma: the range of appearances on ultrasound, CT, MRI, and functional imaging. | journal=AJR Am J Roentgenol | year= 2013 | volume= 200 | issue= 2 | pages= 370-8 | pmid=23345359 | doi=10.2214/AJR.12.9126 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23345359  }}</ref><ref name="pmid1988766">{{cite journal| author=Stein PP, Black HR| title=A simplified diagnostic approach to pheochromocytoma. A review of the literature and report of one institution's experience. | journal=Medicine (Baltimore) | year= 1991 | volume= 70 | issue= 1 | pages= 46-66 | pmid=1988766 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1988766  }}</ref><ref name="pmid17876523">{{cite journal| author=Bravo EL| title=Pheochromocytoma: new concepts and future trends. | journal=Kidney Int | year= 1991 | volume= 40 | issue= 3 | pages= 544-56 | pmid=1787652 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1787652  }}</ref><ref name="pmid1787652">{{cite journal| author=Bravo EL| title=Pheochromocytoma: new concepts and future trends. | journal=Kidney Int | year= 1991 | volume= 40 | issue= 3 | pages= 544-56 | pmid=1787652 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1787652  }} </ref>
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* Rare catecholamine-secreting tumor
* [[Rare]] [[catecholamine]]-secreting [[tumor]]
* Occur in both children and adults
* Occur in both children and adults
* Average age of 11 years old
* [[Average]] [[age]] of 11 years old
* Associated with  neurofibromatosis, von Hippel-Lindau disease, tuberous sclerosis, Sturge-Weber syndrome, and multiple endocrine neoplasia (MEN) syndromes
* Associated with  [[neurofibromatosis]], [[von Hippel-Lindau disease]], [[tuberous sclerosis]], [[Sturge-Weber syndrome|sturge-weber syndrome]], and [[multiple endocrine neoplasia]] ([[Multiple endocrine neoplasia|MEN]]) [[syndromes]]
| align="left" style="background:#F5F5F5;" |<nowiki>-</nowiki>
| align="left" style="background:#F5F5F5;" |<nowiki>-</nowiki>
| align="left" style="background:#F5F5F5;" |<nowiki>+/-</nowiki>
| align="left" style="background:#F5F5F5;" |<nowiki>+/-</nowiki>
| align="left" style="background:#F5F5F5;" |
| align="left" style="background:#F5F5F5;" |
* Headache
* [[Headache]]
* sweating
* [[Sweating]]
* Weakness
* [[Weakness]]
* Convulsion
* [[Convulsion]]
| align="left" style="background:#F5F5F5;" |<nowiki>-</nowiki>
| align="left" style="background:#F5F5F5;" |<nowiki>-</nowiki>
| align="left" style="background:#F5F5F5;" |
| align="left" style="background:#F5F5F5;" |
* Hypertension  
* [[Hypertension]]
* Tachycardia
* [[Tachycardia]]
* Pallor face
* [[Pallor]] [[face]]
|Genetic mutation in:
|[[Genetic]] [[mutation]] in:
* NF1
* [[NF1]]
* RET
* [[RET gene|RET]]
* VHL
* [[VHL]]
* SDHD
* [[SDHD]]
* SDHC
* [[SDHC]]
* EGLN1
* [[EGLN1]]
* EGLN2
* [[EGLN2]]
* KIF1B
* [[KIF1B]]
* SDHAF2
* [[SDHAF2]]
* TMEM127
* [[TMEM127]]
* SDHA
* [[SDHA]]
* IDH1
* [[IDH1]]
* SDHB
* [[SDHB]]
* MAX
* [[MAX (gene)|MAX]]
* HIF2A
* HIF2A
* FH
* [[FH]]
| align="left" style="background:#F5F5F5;" |Ultrasound:
| align="left" style="background:#F5F5F5;" |[[Ultrasound]]:
* Different appearance from solid to mixed cystic or solid to cystic
* Different [[appearance]] from [[solid]] to mixed [[cystic]] or [[solid]] to [[cystic]]
CT scan:
[[CT scan]]:
* Large and heterogenous
* Large and heterogenous
* Calcification
* [[Calcification]]
* Necrosis
* [[Necrosis]]
* Cystic changes
* [[Cystic]] changes
MRI (in extra adrenal tumors):
[[MRI]] (in extra adrenal [[tumors]]):
*T1:
*[[T1]]:
** Heterogenous enhancement
** Heterogenous enhancement
** Hypointense
** Hypointense
*T2:
*[[MRI|T2]]:
** Hyperintense
** Hyperintense
*T1 C+ (Gd):
*T1 C+ (Gd):
Line 259: Line 259:
* S-100 protein for sustentacular cells  
* S-100 protein for sustentacular cells  
|-
|-
! align="center" style="background:#DCDCDC;" |Pediatric osteosarcoma<ref name="pmid8000997">{{cite journal| author=Dorfman HD, Czerniak B| title=Bone cancers. | journal=Cancer | year= 1995 | volume= 75 | issue= 1 Suppl | pages= 203-10 | pmid=8000997 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8000997  }}</ref><ref name="pmid21071381">{{cite journal| author=Yarmish G, Klein MJ, Landa J, Lefkowitz RA, Hwang S| title=Imaging characteristics of primary osteosarcoma: nonconventional subtypes. | journal=Radiographics | year= 2010 | volume= 30 | issue= 6 | pages= 1653-72 | pmid=21071381 | doi=10.1148/rg.306105524 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21071381  }}</ref><ref name="pmid1884549">{{cite journal| author=Araki N, Uchida A, Kimura T, Yoshikawa H, Aoki Y, Ueda T et al.| title=Involvement of the retinoblastoma gene in primary osteosarcomas and other bone and soft-tissue tumors. | journal=Clin Orthop Relat Res | year= 1991 | volume=  | issue= 270 | pages= 271-7 | pmid=1884549 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1884549  }}</ref>
! align="center" style="background:#DCDCDC;" |[[Pediatric]] [[osteosarcoma]]<ref name="pmid8000997">{{cite journal| author=Dorfman HD, Czerniak B| title=Bone cancers. | journal=Cancer | year= 1995 | volume= 75 | issue= 1 Suppl | pages= 203-10 | pmid=8000997 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8000997  }}</ref><ref name="pmid21071381">{{cite journal| author=Yarmish G, Klein MJ, Landa J, Lefkowitz RA, Hwang S| title=Imaging characteristics of primary osteosarcoma: nonconventional subtypes. | journal=Radiographics | year= 2010 | volume= 30 | issue= 6 | pages= 1653-72 | pmid=21071381 | doi=10.1148/rg.306105524 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21071381  }}</ref><ref name="pmid1884549">{{cite journal| author=Araki N, Uchida A, Kimura T, Yoshikawa H, Aoki Y, Ueda T et al.| title=Involvement of the retinoblastoma gene in primary osteosarcomas and other bone and soft-tissue tumors. | journal=Clin Orthop Relat Res | year= 1991 | volume=  | issue= 270 | pages= 271-7 | pmid=1884549 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1884549  }}</ref>
| align="left" style="background:#F5F5F5;" |
| align="left" style="background:#F5F5F5;" |
* The second most common primary bone tumor  
* The second most common primary bone tumor  

Revision as of 21:08, 4 March 2019

Rhabdomyosarcoma Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Shadan Mehraban, M.D.[2]

Overview

Rhabdomyosarcoma must be differentiated from Ewing sarcoma, Lymphadenopathy, Neuroblastoma, Liposarcoma Osteosarcoma, Lymphoprofilerative disorders. Rhabdomyosarcoma of the orbit must be differentiated from other causes of orbital masses such as orbital pseudotumor, orbital tumors, orbital abscess, and vascular lesions.

Differential Diagnosis

Disease History/demography Symptoms Physical examination Diagnosis
Palpable mass Pain Others Mass tenderness Others Genetics Imaging Histology
Rhabdomyosarcoma[1][2][3][4]
  • Most common soft tissue cancer among children and adolescents
  • The third most common extracranial solid tumors
  • Two-third of all cases happen under 6 years old
 + + +/-

Mutations in:

CT scan:

Ultrasound:

MRI:

Wilms tumor[5][6][7][8][9] + + +/- Present mutations of: Ultrasound:

CT scan:

Ewing sarcoma[10][11][12][13] + + + Radiographic of region:

CT scan:

MRI:

Pediatric neuroblastoma [14][15][16][17]

Age distribution:

  • < 1 years old ( 40%)
  • 1-2 years old (35%)
  • > 2 years old (25%)

+ (Abdominal)

+

+(Abdominal)

CT scan:

MRI:

Pediatric pheochromocytoma[18][19][20][21] - +/- - Genetic mutation in: Ultrasound:

CT scan:

MRI (in extra adrenal tumors):

  • T1:
    • Heterogenous enhancement
    • Hypointense
  • T2:
    • Hyperintense
  • T1 C+ (Gd):
    • Heterogenous enhancement
  • Zellballen pattern on microscopy
  • Well-defined clusters
  • Eosinophilic cytoplasm

Positive stains for:

  • Chromogranin for zellballlen cells
  • Neurospecific enolase markers for neuronal cells
  • S-100 protein for sustentacular cells
Pediatric osteosarcoma[22][23][24]
  • The second most common primary bone tumor
  • The third most common tumor among adolescents
  • Can be primary or secondary
  • Primary osteosarcoma occurs in age of 10-20 years old
  • Secondary osteosarcoma occurs in older patients and is secondary to paget disease and bone infarcts
  • Accompanied with positive history of trauma
 + +
  • Soft tissue swelling
  • Fracture
  • Night sweating
 +
  • Mass swelling
  • Fever
  • Arthritis
  • Decreased joint range of motion
  • Lymphadenopathy
  • Alteration in retinoblastoma gene (Rb)
 Plain radiography:
  • Osteolytic/ osteoblastic feature
  • Periosteum reaction
  • Calcification or ossification

CT scan:

  • Primary lesion and chest CT are required
  • Demonstrate tumor location and extension

MRI:

  • Exact assessment of tumor extension
  • Involving joint to joint findings
  • Contain various cellular pleomorphism and mitoses
  • Poorly trabecular bone formation
  • Fibrocystic and chondroblastic features
Pediatric liposarcoma[25][26][27][28] Considered as a nonrhabdomyosarcoma soft tissue sarcomas

One of the least frequent tumors during childhood

Rarely seen in adolescents and age of < 8 years old

Average age is 50 years among adults

Occur mostly in lower extremities, retroperitoneal region, and shoulder

+ +/-
  • Weight loss
  • Fatigue
 -
  • N/A
  • Amplification of 12q13–15 region in MDM2 and CDK4 genes
  • Translocation of t(12;16)(q13;p11.2) in myxoid liposarcoma
 CT scan:
  • Inhomogenous fatty structure
  • Tumor mineralization
  • Cortical bone erosion
  • Calcification
  • Infiltration to medistinum

MRI:

  • Adipose content mass
  • Thin irregular septa
  • Hemorrhage
  • Necrosis areas
 Divided into following subtypes:
  • Well-differentiated
  • Dedifferentiated, Myxoid/roundcell
  • Pleomorphic

Common findings:

  • Lipoblasts presence
  • Cytoplasmic lipid vacuoles
  • Chromatin spikes
Pediatric acute myelocystic leukemia[29][30][31][32]
  • Replacement of normal bone marrow cells with abnormal cells
  • Myeloblast is malignant cell
  • Wide distribution among childhood to adults
  • Survival rate of 60%
  • Common in down syndrome
 +/- ( Abdominal mass, mediastinal mass) + (bone pain, joint pain)
  • Bleeding
  • Infectious
 +/-
  • Lymphadenopathy
  • Hepatosplenomegaly
  • Bruising
  • Petechiae
  • Pallor face
  • Anemia
  • Fever
 Genetic translocations include:
  • t(8;21)
  • t(3;21)
  • t(15;17)
 Radiography:
  • Chest radiography:
    • Diagnosis of mediastinal mass
  • Extremities radiography:
    • Metaphyseal bands
    • Lytic lesions
    • New periosteal bone formation
    • Pathologic fractures

CT scan/ MRI:

  • Thickening/ edema of the bowel wall in presence of abdominal pain or bowl infection
  • Detection of early sinusitis
  • Intracranial hemorrhage in presence of neurological symptoms

Radionuclide imaging:

  • Detection of occult infection
  • Hyperplastic bone marrow with leukemia cells replacement
  • Megaloblastic feature
  • decrease in normal hematopoietic cell
Pediatric acute lymphoblastic leukemia[33][34]
  • The most common malignancy among children
  • Few cases may associated with down syndrome, wiskott-aldrich syndrome, andataxia-telangiectasia
  • Peak age of 2-5 years old
  • Previous history of cancer/ drug exposure
  • Bone marrow replaced with malognant lymphoblasts

+/-( Extramedullary masses in abdomen/ head/neck)

+/- (Musculoskeletal pain)
  • Weakness
  • Fatigue
  • Weight loss
  • Bleesing
 - Chromosomal translocations:
  • t(9;22)
  • t(12;21)
  • t(5;14)
  • t(1;19)
 Radiography:

Chest x ray:

  • Nodular masses
  • Central lymphadenopathy

Bone x ray:

  • Radiolucent metaphyseal bands
  • Coarse trabeculation
  • Periosteal reactions
  • Osteopenia

Brain MRI:

  • Leukoencephalopathy
  • Glial cell hyperplasia
  • Meningitis
 Divided into 3 subgroups:

L1:

  • Small lymphoblast cells
  • Scant cytoplasm
  • Invisible nucleoli

L2:

  • Larger lymphoblast cells
  • Abundant cytoplasm
  • Prominent nucleoli

L3:

  • Large lymphoblast cells
  • Deep cytoplasmic basophilia
  • Similar to Burkitt lymphoma
Pediatric non-hodgkin lymphoma[35][36][37]
  • Cancer derives from lymphocytes
  • diverse age of incidence
  • Associated with autoimmune disorders, previous cancer therapy, and infection
 + -
  • Lymph node swelling
  • Weight loss
  • Anorexia
  • Abdominal pain
  • Nausea/ vomitting
 + (Chest tenderness) Fever

Hepatosplenomegaly Lymphadenopathy Seizure Petechiae

Radiography:
  • Chest x ray:
    • Central lymphadenopathy
    • Pleural effusion
    • Pericardial effusion

CT scan:

  • Presence of enlarged lymph node in chest, abdomen, and pelvis

Ultrasound:

  • Hepatosplenomegaly
 Histology findings of non-hodgkin lymphoma depend on:
  • Cell differentiation
  • Cell lineage
  • Location of cell origin

References

  1. ↑ Egas-Bejar D, Huh WW (2014). "Rhabdomyosarcoma in adolescent and young adult patients: current perspectives". Adolesc Health Med Ther. 5: 115–25. doi:10.2147/AHMT.S44582. PMC 4069040. PMID 24966711.
  2. ↑ Dasgupta R, Fuchs J, Rodeberg D (2016). "Rhabdomyosarcoma". Semin Pediatr Surg. 25 (5): 276–283. doi:10.1053/j.sempedsurg.2016.09.011. PMID 27955730.
  3. ↑ Park K, van Rijn R, McHugh K (2008). "The role of radiology in paediatric soft tissue sarcomas". Cancer Imaging. 8: 102–15. doi:10.1102/1470-7330.2008.0014. PMC 2365455. PMID 18442956.
  4. ↑ Shern JF, Yohe ME, Khan J (2015). "Pediatric Rhabdomyosarcoma". Crit Rev Oncog. 20 (3–4): 227–43. PMC 5486973. PMID 26349418.
  5. ↑ Hartman DS, Sanders RC (April 1982). "Wilms' tumor versus neuroblastoma: usefulness of ultrasound in differentiation". J Ultrasound Med. 1 (3): 117–22. PMID 6152936.
  6. ↑ De Campo JF (1986). "Ultrasound of Wilms' tumor". Pediatr Radiol. 16 (1): 21–4. PMID 3003660.
  7. ↑ Cahan LD (1985). "Failure of encephalo-duro-arterio-synangiosis procedure in moyamoya disease". Pediatr Neurosci. 12 (1): 58–62. PMID 4080660.
  8. ↑ Coppes MJ, Pritchard-Jones K (2000). "Principles of Wilms' tumor biology". Urol Clin North Am. 27 (3): 423–33, viii. PMID 10985142.
  9. ↑ Davidoff AM (2012). "Wilms tumor". Adv Pediatr. 59 (1): 247–67. doi:10.1016/j.yapd.2012.04.001. PMC 3589819. PMID 22789581.
  10. ↑ Burchill SA (2003). "Ewing's sarcoma: diagnostic, prognostic, and therapeutic implications of molecular abnormalities". J Clin Pathol. 56 (2): 96–102. PMC 1769883. PMID 12560386.
  11. ↑ Maygarden SJ, Askin FB, Siegal GP, Gilula LA, Schoppe J, Foulkes M; et al. (1993). "Ewing sarcoma of bone in infants and toddlers. A clinicopathologic report from the Intergroup Ewing's Study". Cancer. 71 (6): 2109–18. PMID 8443760.
  12. ↑ Panicek DM, Gatsonis C, Rosenthal DI, Seeger LL, Huvos AG, Moore SG; et al. (1997). "CT and MR imaging in the local staging of primary malignant musculoskeletal neoplasms: Report of the Radiology Diagnostic Oncology Group". Radiology. 202 (1): 237–46. doi:10.1148/radiology.202.1.8988217. PMID 8988217.
  13. ↑ Grünewald TGP, Cidre-Aranaz F, Surdez D, Tomazou EM, de Álava E, Kovar H; et al. (2018). "Ewing sarcoma". Nat Rev Dis Primers. 4 (1): 5. doi:10.1038/s41572-018-0003-x. PMID 29977059.
  14. ↑ Lonergan GJ, Schwab CM, Suarez ES, Carlson CL (2002). "Neuroblastoma, ganglioneuroblastoma, and ganglioneuroma: radiologic-pathologic correlation". Radiographics. 22 (4): 911–34. doi:10.1148/radiographics.22.4.g02jl15911. PMID 12110723.
  15. ↑ Golden CB, Feusner JH (2002). "Malignant abdominal masses in children: quick guide to evaluation and diagnosis". Pediatr Clin North Am. 49 (6): 1369–92, viii. PMID 12580370.
  16. ↑ Angstman KB, Miser JS, Franz WB (1990). "Neuroblastoma". Am Fam Physician. 41 (1): 238–44. PMID 2403727.
  17. ↑ Musarella MA, Chan HS, DeBoer G, Gallie BL (1984). "Ocular involvement in neuroblastoma: prognostic implications". Ophthalmology. 91 (8): 936–40. PMID 6493702.
  18. ↑ Leung K, Stamm M, Raja A, Low G (2013). "Pheochromocytoma: the range of appearances on ultrasound, CT, MRI, and functional imaging". AJR Am J Roentgenol. 200 (2): 370–8. doi:10.2214/AJR.12.9126. PMID 23345359.
  19. ↑ Stein PP, Black HR (1991). "A simplified diagnostic approach to pheochromocytoma. A review of the literature and report of one institution's experience". Medicine (Baltimore). 70 (1): 46–66. PMID 1988766.
  20. ↑ Bravo EL (1991). "Pheochromocytoma: new concepts and future trends". Kidney Int. 40 (3): 544–56. PMID 1787652.
  21. ↑ Bravo EL (1991). "Pheochromocytoma: new concepts and future trends". Kidney Int. 40 (3): 544–56. PMID 1787652.
  22. ↑ Dorfman HD, Czerniak B (1995). "Bone cancers". Cancer. 75 (1 Suppl): 203–10. PMID 8000997.
  23. ↑ Yarmish G, Klein MJ, Landa J, Lefkowitz RA, Hwang S (2010). "Imaging characteristics of primary osteosarcoma: nonconventional subtypes". Radiographics. 30 (6): 1653–72. doi:10.1148/rg.306105524. PMID 21071381.
  24. ↑ Araki N, Uchida A, Kimura T, Yoshikawa H, Aoki Y, Ueda T; et al. (1991). "Involvement of the retinoblastoma gene in primary osteosarcomas and other bone and soft-tissue tumors". Clin Orthop Relat Res (270): 271–7. PMID 1884549.
  25. ↑ Shmookler BM, Enzinger FM (1983). "Liposarcoma occurring in children. An analysis of 17 cases and review of the literature". Cancer. 52 (3): 567–74. PMID 6861094.
  26. ↑ Marcus KC, Grier HE, Shamberger RC, Gebhardt MC, Perez-Atayde A, Silver B; et al. (1997). "Childhood soft tissue sarcoma: a 20-year experience". J Pediatr. 131 (4): 603–7. PMID 9386667.
  27. ↑ Murphey MD, Arcara LK, Fanburg-Smith J (2005). "From the archives of the AFIP: imaging of musculoskeletal liposarcoma with radiologic-pathologic correlation". Radiographics. 25 (5): 1371–95. doi:10.1148/rg.255055106. PMID 16160117.
  28. ↑ Italiano A, Cardot N, Dupré F, Monticelli I, Keslair F, Piche M; et al. (2007). "Gains and complex rearrangements of the 12q13-15 chromosomal region in ordinary lipomas: the "missing link" between lipomas and liposarcomas?". Int J Cancer. 121 (2): 308–15. doi:10.1002/ijc.22685. PMID 17372913.
  29. ↑ Yamamoto JF, Goodman MT (2008). "Patterns of leukemia incidence in the United States by subtype and demographic characteristics, 1997-2002". Cancer Causes Control. 19 (4): 379–90. doi:10.1007/s10552-007-9097-2. PMID 18064533.
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  32. ↑ Orazi A (2007). "Histopathology in the diagnosis and classification of acute myeloid leukemia, myelodysplastic syndromes, and myelodysplastic/myeloproliferative diseases". Pathobiology. 74 (2): 97–114. doi:10.1159/000101709. PMID 17587881.
  33. ↑ Zuckerman T, Rowe JM (2014). "Pathogenesis and prognostication in acute lymphoblastic leukemia". F1000Prime Rep. 6: 59. doi:10.12703/P6-59. PMC 4108947. PMID 25184049.
  34. ↑ Pui CH, Robison LL, Look AT (2008). "Acute lymphoblastic leukaemia". Lancet. 371 (9617): 1030–43. doi:10.1016/S0140-6736(08)60457-2. PMID 18358930.
  35. ↑ Green MR, Gentles AJ, Nair RV, Irish JM, Kihira S, Liu CL; et al. (2013). "Hierarchy in somatic mutations arising during genomic evolution and progression of follicular lymphoma". Blood. 121 (9): 1604–11. doi:10.1182/blood-2012-09-457283. PMC 3587323. PMID 23297126.
  36. ↑ Sandlund JT (2015). "Non-Hodgkin Lymphoma in Children". Curr Hematol Malig Rep. 10 (3): 237–43. doi:10.1007/s11899-015-0277-y. PMID 26174528.
  37. ↑ El-Galaly TC, Hutchings M (2015). "Imaging of non-Hodgkin lymphomas: diagnosis and response-adapted strategies". Cancer Treat Res. 165: 125–46. doi:10.1007/978-3-319-13150-4_5. PMID 25655608.

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