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The gross and microscopy features of teratoma are described below:<ref name="Yayla AbideBostancı Ergen2018">{{cite journal|last1=Yayla Abide|first1=Çiğdem|last2=Bostancı Ergen|first2=Evrim|title=Retrospective analysis of mature cystic teratomas in a single center and review of the literature|journal=Journal of Turkish Society of Obstetric and Gynecology|volume=15|issue=2|year=2018|pages=95–98|issn=1307699X|doi=10.4274/tjod.86244}}</ref><ref name="OutwaterSiegelman2001">{{cite journal|last1=Outwater|first1=Eric K.|last2=Siegelman|first2=Evan S.|last3=Hunt|first3=Jennifer L.|title=Ovarian Teratomas: Tumor Types and Imaging Characteristics|journal=RadioGraphics|volume=21|issue=2|year=2001|pages=475–490|issn=0271-5333|doi=10.1148/radiographics.21.2.g01mr09475}}</ref><ref name="Ulbright2005">{{cite journal|last1=Ulbright|first1=Thomas M|title=Germ cell tumors of the gonads: a selective review emphasizing problems in differential diagnosis, newly appreciated, and controversial issues|journal=Modern Pathology|volume=18|issue=S2|year=2005|pages=S61–S79|issn=0893-3952|doi=10.1038/modpathol.3800310}}</ref>
The gross and microscopy features of teratoma are described below:<ref name="Yayla AbideBostancı Ergen2018">{{cite journal|last1=Yayla Abide|first1=Çiğdem|last2=Bostancı Ergen|first2=Evrim|title=Retrospective analysis of mature cystic teratomas in a single center and review of the literature|journal=Journal of Turkish Society of Obstetric and Gynecology|volume=15|issue=2|year=2018|pages=95–98|issn=1307699X|doi=10.4274/tjod.86244}}</ref><ref name="OutwaterSiegelman2001">{{cite journal|last1=Outwater|first1=Eric K.|last2=Siegelman|first2=Evan S.|last3=Hunt|first3=Jennifer L.|title=Ovarian Teratomas: Tumor Types and Imaging Characteristics|journal=RadioGraphics|volume=21|issue=2|year=2001|pages=475–490|issn=0271-5333|doi=10.1148/radiographics.21.2.g01mr09475}}</ref><ref name="Ulbright2005">{{cite journal|last1=Ulbright|first1=Thomas M|title=Germ cell tumors of the gonads: a selective review emphasizing problems in differential diagnosis, newly appreciated, and controversial issues|journal=Modern Pathology|volume=18|issue=S2|year=2005|pages=S61–S79|issn=0893-3952|doi=10.1038/modpathol.3800310}}</ref>


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Revision as of 15:51, 4 November 2019

Teratoma Microchapters

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

Overview

The histopathology of teratoma depends on the histological subtype.Teratoma is a germ cell tumor due to abnormal development of pluripotent cells.

Pathophysiology

 
 
 
 
 
 
 
Germ cell
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pathogenesis
 
 
 
 
 
 
 
Malignant transformation
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mature teratoma
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
{{{ }}}
 
Tumors with primitive embryonic ectoderm, mesoderm, and/or endoderm differentiation{{{ }}}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
{{{ }}}
 
 
 
 
 
 
 
 
 
 
 
Immature teratoma
 

Pathogenesis

  • Mature teratoma arises from a pathological transformation of primordial germ cell during the develompment.[1][2]
  • Mature teratoma comes from a single germ cell tumor after first phase of meiosis and failure of meiosis type II.[3][4]
  • Mature teratoma contains a well differentiated tumor with all three germ layers (ectoderm, mesoderm and endoderm).[2]
  • Mature teratoma may be located in the embryonic fusion midline or paraxial, mediastinum, ovary, retroperitoneum, and sacrococcygeal.[5]
  • Immature teratoma may be due to the malignant tranformation of primitive germ cell layers

Genetics

Genes involved in the pathogenesis of teratoma include:[6]

  • Gain of part or all chromosomes
    • 1p
    • 16p
    • 19
    • 22q

Associated conditions

Conditions associated with teratoma included:

Gross and microscopy pathology

The gross and microscopy features of teratoma are described below:[10][11][12]

Types Gross pathology Microscopic pathology Images
Mature teratoma
Immature teratoma
Monodermal teratoma
  • .




References

  1. ↑ Vural, F.; Vural, B.; Paksoy, N. (2015). "Vaginal teratoma: A case report and review of the literature". Journal of Obstetrics and Gynaecology. 35 (7): 757–758. doi:10.3109/01443615.2015.1004525. ISSN 0144-3615.
  2. ↑ 2.0 2.1 El-Maarri, Osman; Rijlaarsdam, Martin A.; Tax, David M. J.; Gillis, Ad J. M.; Dorssers, Lambert C. J.; Koestler, Devin C.; de Ridder, Jeroen; Looijenga, Leendert H. J. (2015). "Genome Wide DNA Methylation Profiles Provide Clues to the Origin and Pathogenesis of Germ Cell Tumors". PLOS ONE. 10 (4): e0122146. doi:10.1371/journal.pone.0122146. ISSN 1932-6203.
  3. ↑ Linder, David; McCaw, Barbara Kaiser; Hecht, Frederick (1975). "Parthenogenic Origin of Benign Ovarian Teratomas". New England Journal of Medicine. 292 (2): 63–66. doi:10.1056/NEJM197501092920202. ISSN 0028-4793.
  4. ↑ Surti U, Hoffner L, Chakravarti A, Ferrell RE (1990). "Genetics and biology of human ovarian teratomas. I. Cytogenetic analysis and mechanism of origin". Am J Hum Genet. 47 (4): 635–43. PMC 1683780. PMID 2220805.
  5. ↑ Comerci JT, Licciardi F, Bergh PA, Gregori C, Breen JL (1994). "Mature cystic teratoma: a clinicopathologic evaluation of 517 cases and review of the literature". Obstet Gynecol. 84 (1): 22–8. PMID 8008317.
  6. ↑ Kraggerud SM, Szymanska J, Abeler VM, Kaern J, Eknaes M, Heim S et al. (2000) DNA copy number changes in malignant ovarian germ cell tumors. Cancer Res 60 (11):3025-30. PMID: 10850452
  7. ↑ Liang Z, Yang S, Sun X, Li B, Li W, Liu Z et al. (2017) Teratoma-associated anti-NMDAR encephalitis: Two cases report and literature review. Medicine (Baltimore) 96 (49):e9177. DOI:10.1097/MD.0000000000009177 PMID: 29245365
  8. ↑ Dalmau, Josep; Gleichman, Amy J; Hughes, Ethan G; Rossi, Jeffrey E; Peng, Xiaoyu; Lai, Meizan; Dessain, Scott K; Rosenfeld, Myrna R; Balice-Gordon, Rita; Lynch, David R (2008). "Anti-NMDA-receptor encephalitis: case series and analysis of the effects of antibodies". The Lancet Neurology. 7 (12): 1091–1098. doi:10.1016/S1474-4422(08)70224-2. ISSN 1474-4422.
  9. ↑ Malayev, Yuliya; Alberts, Jared; Verardi, Mary Ann; Mattison, Anissa R.; Imlay, Sherwin (2015). "Immature Teratoma Associated With Anti–N-Methyl-D-Aspartate Receptor Encephalitis". The Journal of the American Osteopathic Association. 115 (9): 573. doi:10.7556/jaoa.2015.116. ISSN 0098-6151.
  10. ↑ Yayla Abide, Çiğdem; Bostancı Ergen, Evrim (2018). "Retrospective analysis of mature cystic teratomas in a single center and review of the literature". Journal of Turkish Society of Obstetric and Gynecology. 15 (2): 95–98. doi:10.4274/tjod.86244. ISSN 1307-699X.
  11. ↑ Outwater, Eric K.; Siegelman, Evan S.; Hunt, Jennifer L. (2001). "Ovarian Teratomas: Tumor Types and Imaging Characteristics". RadioGraphics. 21 (2): 475–490. doi:10.1148/radiographics.21.2.g01mr09475. ISSN 0271-5333.
  12. ↑ Ulbright, Thomas M (2005). "Germ cell tumors of the gonads: a selective review emphasizing problems in differential diagnosis, newly appreciated, and controversial issues". Modern Pathology. 18 (S2): S61–S79. doi:10.1038/modpathol.3800310. ISSN 0893-3952.

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