File:Ameloblastoma (Radiopaedia 33677-34806 Coronal non-contrast 11).png

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Ameloblastoma_(Radiopaedia_33677-34806_Coronal_non-contrast_11).png ‎(782 × 512 pixels, file size: 116 KB, MIME type: image/png)

Summary:

Description
  • Radiopaedia case ID: 33677
  • Image ID: 10561116
  • Image stack position: 11/64
  • Plane projection: Coronal
  • Aux modality: non-contrast
  • Study findings: There is a large expansile bony lesion of the left hemi-mandible noted, measuring. Cortical thinning is noted with no definite dehiscence. There is no knife edge resorption of the involved teeth roots. The lesion contains complex fluid with a HU of 23. There is no soft tissue component noted. The lesion involves the inferior alveolar canal. There is no suspicious local adenopathy. There is bilateral maxillary sinus disease. CONCLUSION: Expansile bony lesion involving the left hemi-mandible. The imaging features are not typical of an ameloblastoma. While there is involvement of the roots of the teeth, there is not knife edge resorption as described in ameloblastoma. The differential includes a aneurysmal bone cyst or giant cell reparative granuloma. MRI correlation and biopsy is indicated.
  • Modality: CT
  • System: Head & Neck
  • Findings: Large cystic lesion within the body of the left mandible extending from adjacent to the root of 33 to the mesial aspect of the 37. A single dental fragment is seen along the intervening mandibular alveolar bone. No internal sequestrum seen. No definite fracture on this single projection. No periapical lucencies seen to suggest dental abscess formation. Temporomandibular joints are enlocated. Maxillary sinuses clear.
Date Published: 21st Jan 2015
Source https://radiopaedia.org/cases/ameloblastoma-17
Author Oliver Hennessy
Permission
(Permission-reusing-text)		 http://creativecommons.org/licenses/by-nc-sa/3.0/

Licensing:

Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)

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