Nasopharyngeal carcinoma MRI: Difference between revisions

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__NOTOC__
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{{Nasopharyngeal carcinoma}}
{{Nasopharyngeal carcinoma}}
{{CMG}} {{AE}}{{Faizan}}
{{CMG}} {{AE}}{{Homa}}{{Faizan}}
==Overview==
==Overview==
Head and neck [[MRI]] may be helpful in the diagnosis of nasopharyngeal carcinoma. Findings on MRI suggestive of [[nasopharyngeal carcinoma]] include dural thickening and [[bone marrow]] infilteration.
Head and neck [[MRI]] may be helpful in the diagnosis of nasopharyngeal carcinoma. It is especially used for the assessment of [[tumor]] invasion in the [[skull]] [[base]], parapharyngeal spcae, [[paranasal sinus]], [[middle ear]] and [[cervical]] [[lymph node]]<nowiki/>s.


==MRI==
==MRI==
[[MRI]] may be diagnostic of [[nasopharyngeal carcinoma]]. Findings on MRI scan suggestive of nasopharyngeal carcinoma include:<ref>http://radiopaedia.org/articles/nasopharyngeal-carcinoma</ref>
[[MRI]] may be helpful in the [[diagnosis]] of Nasopharyngeal carcinoma.
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* Findings on [[MRI]] scan suggestive of nasopharyngeal carcinoma include:<ref>{{cite book | last = Hermans | first = R | title = Head and neck cancer imaging | publisher = Springer | location = Berlin New York | year = 2012 | isbn = 9783642178689 }}</ref>
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! style="background: #4479BA; width: 200px;" | {{fontcolor|#FFF|MRI Component}}
! style="background: #4479BA; width: 200px;" | {{fontcolor|#FFF|MRI Component}}
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|-
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |
:T1​
:T1
| style="padding: 5px 5px; background: #F5F5F5;" |
| style="padding: 5px 5px; background: #F5F5F5;" |
*typically isointense to muscle
*Typically [[isointense]] to [[muscle]] signal
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
| style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
:T1 C+ (Gd)
:T1 C+ (Gd)
| style="padding: 5px 5px; background: #F5F5F5;" |
| style="padding: 5px 5px; background: #F5F5F5;" |
*post contrast sequences should be fat saturated
*Fat saturation in post contrast sequences
*prominent [[heterogeneous]] enhancement is typical
*Notable [[heterogeneous]] enhancement is typical
*perineural extension should be sought
*Perineural extension should be sought
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
| style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
:T2
:T2
| style="padding: 5px 5px; background: #F5F5F5;" |
| style="padding: 5px 5px; background: #F5F5F5;" |
*isointense to somewhat hyperintense to muscle
*Isointense to hyperintense to [[muscle]] signal
*fat saturation
*Fat saturation
*fluid in the middle ear is a helpful marker
*Fluid in the [[middle ear]] can be helpful  


|}
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* The [[Protocol (natural sciences)|protocol]] for routine [[MRI]] of a nasopharyngeal [[mass]] includes:<ref name="Glastonbury2007">{{cite journal|last1=Glastonbury|first1=Christine M.|title=Nasopharyngeal Carcinoma|journal=Topics in Magnetic Resonance Imaging|volume=18|issue=4|year=2007|pages=225–235|issn=0899-3459|doi=10.1097/RMR.0b013e3181572b3a}}</ref><ref name="DubrulleSouillard2007">{{cite journal|last1=Dubrulle|first1=F.|last2=Souillard|first2=R.|last3=Hermans|first3=R.|title=Extension patterns of nasopharyngeal carcinoma|journal=European Radiology|volume=17|issue=10|year=2007|pages=2622–2630|issn=0938-7994|doi=10.1007/s00330-007-0616-z}}</ref><ref name="ChinFatterpekar2003">{{cite journal|last1=Chin|first1=Shy-Chyi|last2=Fatterpekar|first2=Girish|last3=Chen|first3=Cheng-Yu|last4=Som|first4=Peter M.|title=MR Imaging of Diverse Manifestations of Nasopharyngeal Carcinomas|journal=American Journal of Roentgenology|volume=180|issue=6|year=2003|pages=1715–1722|issn=0361-803X|doi=10.2214/ajr.180.6.1801715}}</ref><ref>{{Cite journal
| author = [[Alfred L. Weber]], [[Sharif al-Arayedh]] & [[Asma Rashid]]
| title = Nasopharynx: clinical, pathologic, and radiologic assessment
| journal = [[Neuroimaging clinics of North America]]
| volume = 13
| issue = 3
| pages = 465–483
| year = 2003
| month = August
| pmid = 14631685
}}</ref><ref>{{Cite journal
| author = [[Julian Goh]] & [[Keith Lim]]
| title = Imaging of nasopharyngeal carcinoma
| journal = [[Annals of the Academy of Medicine, Singapore]]
| volume = 38
| issue = 9
| pages = 809–816
| year = 2009
| month = September
| pmid = 19816641
}}</ref>
** Unenhanced T1- weighted [[axial]] and [[sagittal plane]] [[images]] for:
*** Detection of [[skull]] base invasion
** T2-weighted fast spin-echo sequence in [[axial plane]] [[images]] for:
*** Evaluation  of early parapharyngeal [[tumor]] spread
*** Invasion to the [[paranasal sinus]]
*** Effusions of the [[middle ear]]
*** Detection of [[cervical]] [[Lymph node|lymph nodes]].
** Contrast-enhanced T1-weighted [[axial]] and [[coronal plane]]<nowiki/>s [[images]] (with and without fat suppression) for:
** Evaluation of [[tumor]] extension to the perineural and intracranial space. 
* Additional [[MRI]] component:<ref name="NgChan2009">{{cite journal|last1=Ng|first1=Shu-Hang|last2=Chan|first2=Sheng-Chieh|last3=Yen|first3=Tzu-Chen|last4=Chang|first4=Joseph Tung-Chieh|last5=Liao|first5=Chun-Ta|last6=Ko|first6=Sheung-Fat|last7=Wang|first7=Hung-Ming|last8=Wai|first8=Yau-Yau|last9=Wang|first9=Jiun-Jie|last10=Chen|first10=Min-Chi|title=Pretreatment evaluation of distant-site status in patients with nasopharyngeal carcinoma: accuracy of whole-body MRI at 3-Tesla and FDG-PET-CT|journal=European Radiology|volume=19|issue=12|year=2009|pages=2965–2976|issn=0938-7994|doi=10.1007/s00330-009-1504-5}}</ref><ref name="FongBhatia2010">{{cite journal|last1=Fong|first1=Devin|last2=Bhatia|first2=Kunwar S.S.|last3=Yeung|first3=David|last4=King|first4=Ann D.|title=Diagnostic accuracy of diffusion-weighted MR imaging for nasopharyngeal carcinoma, head and neck lymphoma and squamous cell carcinoma at the primary site|journal=Oral Oncology|volume=46|issue=8|year=2010|pages=603–606|issn=13688375|doi=10.1016/j.oraloncology.2010.05.004}}</ref><ref>{{Cite journal
| author = [[Ann D. King]], [[David K. W. Yeung]], [[Anil T. Ahuja]], [[S. F. Leung]], [[Gary M. K. Tse]] & [[Andrew C. van Hasselt]]
| title = In vivo proton MR spectroscopy of primary and nodal nasopharyngeal carcinoma
| journal = [[AJNR. American journal of neuroradiology]]
| volume = 25
| issue = 3
| pages = 484–490
| year = 2004
| month = March
| pmid = 15037477
}}</ref>
** Diffusion-weighted imaging for:
*** Differentiating NPC from [[lymphoma]]
*** Characterizing of [[cervical]] [[lymphadenopathy]]
** [[Magnetic resonance imaging|MRI]] [[spectroscopy]] for:
*** Differentiating of the NPC and [[metastatic]] nodes from normal [[neck]] [[muscle]].
[[File:PMC4582819 13014 2015 513 Fig1 HTML (1).png|500px|none|thumb|source:https://openi.nlm.nih.gov/detailedresult?img=PMC4582819_13014_2015_513_Fig1_HTML&query=nasopharyngeal%20carcinoma&it=xg&req=4&npos=27]]
[[File:Nasopharyngeal carcinoma-Axial T1 MRI.jpg|500px|none|thumb|source:https://radiopaedia.org/cases/nasopharyngeal-carcinoma-8?lang=us]]
[[File:Nasopharyngeal carcinoma MRI.jpg|500px|none|thumb|source:https://radiopaedia.org/cases/nasopharyngeal-carcinoma-8?lang=us]]


==References==
==References==
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Homa Najafi, M.D.[2]Faizan Sheraz, M.D. [3]

Overview

Head and neck MRI may be helpful in the diagnosis of nasopharyngeal carcinoma. It is especially used for the assessment of tumor invasion in the skull base, parapharyngeal spcae, paranasal sinus, middle ear and cervical lymph nodes.

MRI

MRI may be helpful in the diagnosis of Nasopharyngeal carcinoma.

  • Findings on MRI scan suggestive of nasopharyngeal carcinoma include:[1]
MRI Component Features
T1
T1 C+ (Gd)
  • Fat saturation in post contrast sequences
  • Notable heterogeneous enhancement is typical
  • Perineural extension should be sought
T2
  • Isointense to hyperintense to muscle signal
  • Fat saturation
  • Fluid in the middle ear can be helpful
source:https://openi.nlm.nih.gov/detailedresult?img=PMC4582819_13014_2015_513_Fig1_HTML&query=nasopharyngeal%20carcinoma&it=xg&req=4&npos=27
source:https://radiopaedia.org/cases/nasopharyngeal-carcinoma-8?lang=us
source:https://radiopaedia.org/cases/nasopharyngeal-carcinoma-8?lang=us

References

  1. ↑ Hermans, R (2012). Head and neck cancer imaging. Berlin New York: Springer. ISBN 9783642178689.
  2. ↑ Glastonbury, Christine M. (2007). "Nasopharyngeal Carcinoma". Topics in Magnetic Resonance Imaging. 18 (4): 225–235. doi:10.1097/RMR.0b013e3181572b3a. ISSN 0899-3459.
  3. ↑ Dubrulle, F.; Souillard, R.; Hermans, R. (2007). "Extension patterns of nasopharyngeal carcinoma". European Radiology. 17 (10): 2622–2630. doi:10.1007/s00330-007-0616-z. ISSN 0938-7994.
  4. ↑ Chin, Shy-Chyi; Fatterpekar, Girish; Chen, Cheng-Yu; Som, Peter M. (2003). "MR Imaging of Diverse Manifestations of Nasopharyngeal Carcinomas". American Journal of Roentgenology. 180 (6): 1715–1722. doi:10.2214/ajr.180.6.1801715. ISSN 0361-803X.
  5. ↑ Alfred L. Weber, Sharif al-Arayedh & Asma Rashid (2003). "Nasopharynx: clinical, pathologic, and radiologic assessment". Neuroimaging clinics of North America. 13 (3): 465–483. PMID 14631685. Unknown parameter |month= ignored (help)
  6. ↑ Julian Goh & Keith Lim (2009). "Imaging of nasopharyngeal carcinoma". Annals of the Academy of Medicine, Singapore. 38 (9): 809–816. PMID 19816641. Unknown parameter |month= ignored (help)
  7. ↑ Ng, Shu-Hang; Chan, Sheng-Chieh; Yen, Tzu-Chen; Chang, Joseph Tung-Chieh; Liao, Chun-Ta; Ko, Sheung-Fat; Wang, Hung-Ming; Wai, Yau-Yau; Wang, Jiun-Jie; Chen, Min-Chi (2009). "Pretreatment evaluation of distant-site status in patients with nasopharyngeal carcinoma: accuracy of whole-body MRI at 3-Tesla and FDG-PET-CT". European Radiology. 19 (12): 2965–2976. doi:10.1007/s00330-009-1504-5. ISSN 0938-7994.
  8. ↑ Fong, Devin; Bhatia, Kunwar S.S.; Yeung, David; King, Ann D. (2010). "Diagnostic accuracy of diffusion-weighted MR imaging for nasopharyngeal carcinoma, head and neck lymphoma and squamous cell carcinoma at the primary site". Oral Oncology. 46 (8): 603–606. doi:10.1016/j.oraloncology.2010.05.004. ISSN 1368-8375.
  9. ↑ Ann D. King, David K. W. Yeung, Anil T. Ahuja, S. F. Leung, Gary M. K. Tse & Andrew C. van Hasselt (2004). "In vivo proton MR spectroscopy of primary and nodal nasopharyngeal carcinoma". AJNR. American journal of neuroradiology. 25 (3): 484–490. PMID 15037477. Unknown parameter |month= ignored (help)

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