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==MRI==
==MRI==
Head and neck [[Magnetic resonance imaging|MRI]] may be helpful in the diagnosis of [[ameloblastoma]]. Findings on MRI diagnostic of [[ameloblastoma]] include:<ref name="pmid16168260">{{cite journal |vauthors=Asaumi J, Hisatomi M, Yanagi Y, Matsuzaki H, Choi YS, Kawai N, Konouchi H, Kishi K |title=Assessment of ameloblastomas using MRI and dynamic contrast-enhanced MRI |journal=Eur J Radiol |volume=56 |issue=1 |pages=25–30 |date=October 2005 |pmid=16168260 |doi=10.1016/j.ejrad.2005.01.006 |url=}}</ref><ref name="pmid16488178">{{cite journal |vauthors=Konouchi H, Asaumi J, Yanagi Y, Hisatomi M, Kawai N, Matsuzaki H, Kishi K |title=Usefulness of contrast enhanced-MRI in the diagnosis of unicystic ameloblastoma |journal=Oral Oncol. |volume=42 |issue=5 |pages=481–6 |date=May 2006 |pmid=16488178 |doi=10.1016/j.oraloncology.2005.10.001 |url=}}</ref><ref name="SumiIchikawa2008">{{cite journal|last1=Sumi|first1=M.|last2=Ichikawa|first2=Y.|last3=Katayama|first3=I.|last4=Tashiro|first4=S.|last5=Nakamura|first5=T.|title=Diffusion-Weighted MR Imaging of Ameloblastomas and Keratocystic Odontogenic Tumors: Differentiation by Apparent Diffusion Coefficients of Cystic Lesions|journal=American Journal of Neuroradiology|volume=29|issue=10|year=2008|pages=1897–1901|issn=0195-6108|doi=10.3174/ajnr.A1266}}</ref><ref name="CankurtaranBranstetter2010">{{cite journal|last1=Cankurtaran|first1=Ceylan Z.|last2=Branstetter|first2=Barton F.|last3=Chiosea|first3=Simion I.|last4=Barnes|first4=E. Leon|title=Ameloblastoma and Dentigerous Cyst Associated with Impacted Mandibular Third Molar Tooth|journal=RadioGraphics|volume=30|issue=5|year=2010|pages=1415–1420|issn=0271-5333|doi=10.1148/rg.305095200}}</ref><ref name="pmid29354003">{{cite journal |vauthors=Han Y, Fan X, Su L, Wang Z |title=Diffusion-Weighted MR Imaging of Unicystic Odontogenic Tumors for Differentiation of Unicystic Ameloblastomas from Keratocystic Odontogenic Tumors |journal=Korean J Radiol |volume=19 |issue=1 |pages=79–84 |date=2018 |pmid=29354003 |pmc=5768511 |doi=10.3348/kjr.2018.19.1.79 |url=}}</ref><ref name="pmid23468124">{{cite journal |vauthors=Fujita M, Matsuzaki H, Yanagi Y, Hara M, Katase N, Hisatomi M, Unetsubo T, Konouchi H, Nagatsuka H, Asaumi JI |title=Diagnostic value of MRI for odontogenic tumours |journal=Dentomaxillofac Radiol |volume=42 |issue=5 |pages=20120265 |date=2013 |pmid=23468124 |pmc=3635777 |doi=10.1259/dmfr.20120265 |url=}}</ref>
Head and neck [[Magnetic resonance imaging|MRI]] may be helpful in the diagnosis of [[ameloblastoma]]. Findings on MRI diagnostic of [[ameloblastoma]] include:<ref name="pmid16168260">{{cite journal |vauthors=Asaumi J, Hisatomi M, Yanagi Y, Matsuzaki H, Choi YS, Kawai N, Konouchi H, Kishi K |title=Assessment of ameloblastomas using MRI and dynamic contrast-enhanced MRI |journal=Eur J Radiol |volume=56 |issue=1 |pages=25–30 |date=October 2005 |pmid=16168260 |doi=10.1016/j.ejrad.2005.01.006 |url=}}</ref><ref name="pmid16488178">{{cite journal |vauthors=Konouchi H, Asaumi J, Yanagi Y, Hisatomi M, Kawai N, Matsuzaki H, Kishi K |title=Usefulness of contrast enhanced-MRI in the diagnosis of unicystic ameloblastoma |journal=Oral Oncol. |volume=42 |issue=5 |pages=481–6 |date=May 2006 |pmid=16488178 |doi=10.1016/j.oraloncology.2005.10.001 |url=}}</ref><ref name="SumiIchikawa2008">{{cite journal|last1=Sumi|first1=M.|last2=Ichikawa|first2=Y.|last3=Katayama|first3=I.|last4=Tashiro|first4=S.|last5=Nakamura|first5=T.|title=Diffusion-Weighted MR Imaging of Ameloblastomas and Keratocystic Odontogenic Tumors: Differentiation by Apparent Diffusion Coefficients of Cystic Lesions|journal=American Journal of Neuroradiology|volume=29|issue=10|year=2008|pages=1897–1901|issn=0195-6108|doi=10.3174/ajnr.A1266}}</ref><ref name="CankurtaranBranstetter2010">{{cite journal|last1=Cankurtaran|first1=Ceylan Z.|last2=Branstetter|first2=Barton F.|last3=Chiosea|first3=Simion I.|last4=Barnes|first4=E. Leon|title=Ameloblastoma and Dentigerous Cyst Associated with Impacted Mandibular Third Molar Tooth|journal=RadioGraphics|volume=30|issue=5|year=2010|pages=1415–1420|issn=0271-5333|doi=10.1148/rg.305095200}}</ref><ref name="pmid29354003">{{cite journal |vauthors=Han Y, Fan X, Su L, Wang Z |title=Diffusion-Weighted MR Imaging of Unicystic Odontogenic Tumors for Differentiation of Unicystic Ameloblastomas from Keratocystic Odontogenic Tumors |journal=Korean J Radiol |volume=19 |issue=1 |pages=79–84 |date=2018 |pmid=29354003 |pmc=5768511 |doi=10.3348/kjr.2018.19.1.79 |url=}}</ref><ref name="pmid23468124">{{cite journal |vauthors=Fujita M, Matsuzaki H, Yanagi Y, Hara M, Katase N, Hisatomi M, Unetsubo T, Konouchi H, Nagatsuka H, Asaumi JI |title=Diagnostic value of MRI for odontogenic tumours |journal=Dentomaxillofac Radiol |volume=42 |issue=5 |pages=20120265 |date=2013 |pmid=23468124 |pmc=3635777 |doi=10.1259/dmfr.20120265 |url=}}</ref>
* Enhancement in the [[solid]] portion of the tumor.
* Enhancement in the [[solid]] portion of the tumor
* No enhancement in the [[cystic]] portion.
* No enhancement in the [[cystic]] portion
* Detection of thick walls in [[Ameloblastoma|ameloblastomas]] [[Lesion|lesions]].
* Detection of thick walls in [[Ameloblastoma|ameloblastomas]] [[Lesion|lesions]]
* Round area of radiolucency if it is unicystic.
* Round area of radiolucency if it is unicystic
* Thick rim-enhancement is seen.
* Thick rim-enhancement is seen
* Enhancement of small [[intraluminal]] [[nodules]].
* Enhancement of small [[intraluminal]] [[nodules]]
* Helps in differentiation between [[Ameloblastoma|ameloblastomas]] and keratocystic [[odontogenic]] tumors.
* Helps in differentiation between [[Ameloblastoma|ameloblastomas]] and keratocystic [[odontogenic]] tumors  




Revision as of 23:18, 6 February 2019

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]  ; Associate Editor(s)-in-Chief: Vamsikrishna Gunnam M.B.B.S [2] Simrat Sarai, M.D. [3]

Overview

Head and neck MRI may be helpful in the diagnosis of ameloblastoma. Findings on MRI diagnostic of ameloblastoma include mixed solid and cystic pattern, thick irregular walls with papillary solid structures projecting into the lesion.

MRI

Head and neck MRI may be helpful in the diagnosis of ameloblastoma. Findings on MRI diagnostic of ameloblastoma include:[1][2][3][4][5][6]


References

  1. ↑ Asaumi J, Hisatomi M, Yanagi Y, Matsuzaki H, Choi YS, Kawai N, Konouchi H, Kishi K (October 2005). "Assessment of ameloblastomas using MRI and dynamic contrast-enhanced MRI". Eur J Radiol. 56 (1): 25–30. doi:10.1016/j.ejrad.2005.01.006. PMID 16168260.
  2. ↑ Konouchi H, Asaumi J, Yanagi Y, Hisatomi M, Kawai N, Matsuzaki H, Kishi K (May 2006). "Usefulness of contrast enhanced-MRI in the diagnosis of unicystic ameloblastoma". Oral Oncol. 42 (5): 481–6. doi:10.1016/j.oraloncology.2005.10.001. PMID 16488178.
  3. ↑ Sumi, M.; Ichikawa, Y.; Katayama, I.; Tashiro, S.; Nakamura, T. (2008). "Diffusion-Weighted MR Imaging of Ameloblastomas and Keratocystic Odontogenic Tumors: Differentiation by Apparent Diffusion Coefficients of Cystic Lesions". American Journal of Neuroradiology. 29 (10): 1897–1901. doi:10.3174/ajnr.A1266. ISSN 0195-6108.
  4. ↑ Cankurtaran, Ceylan Z.; Branstetter, Barton F.; Chiosea, Simion I.; Barnes, E. Leon (2010). "Ameloblastoma and Dentigerous Cyst Associated with Impacted Mandibular Third Molar Tooth". RadioGraphics. 30 (5): 1415–1420. doi:10.1148/rg.305095200. ISSN 0271-5333.
  5. ↑ Han Y, Fan X, Su L, Wang Z (2018). "Diffusion-Weighted MR Imaging of Unicystic Odontogenic Tumors for Differentiation of Unicystic Ameloblastomas from Keratocystic Odontogenic Tumors". Korean J Radiol. 19 (1): 79–84. doi:10.3348/kjr.2018.19.1.79. PMC 5768511. PMID 29354003.
  6. ↑ Fujita M, Matsuzaki H, Yanagi Y, Hara M, Katase N, Hisatomi M, Unetsubo T, Konouchi H, Nagatsuka H, Asaumi JI (2013). "Diagnostic value of MRI for odontogenic tumours". Dentomaxillofac Radiol. 42 (5): 20120265. doi:10.1259/dmfr.20120265. PMC 3635777. PMID 23468124.

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