File:Carcinoma ex-pleomorphic adenoma of parotid (Radiopaedia 28383-28627 Ax DWI B-500 GE 8).jpg

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Carcinoma_ex-pleomorphic_adenoma_of_parotid_(Radiopaedia_28383-28627_Ax_DWI_B-500_GE_8).jpg(256 × 256 pixels, file size: 12 KB, MIME type: image/jpeg)

Summary:

Description
  • Radiopaedia case ID: 28383
  • Image ID: 6346562
  • Image stack position: 8/74
  • Plane projection: Ax DWI B-500 GE
  • Modality: MRI
  • System: Head & Neck
  • Findings: A 28 mm x 22.5 mm x 40 mm heterogenously enhancing mass lesion involving the deep lobe of the left parotid is demonstrated. The lesion demonstrates areas of high signal on T2WI and marked restricted diffusion. Although the mass lesion contacts the left mandibular angle, the mandibular cortex and marrow signal is preserved. There is no abnormal perineural enhancement.  Moderately enlarged left-sided level II lymph nodes noted as well as a left retro-pharyngeal lymph node, measuring up to 6.5 mm. Minimally enlarged right-sided level II lymph nodes noted, likely inflammatory. There is a right rim-enhancing, cyst-like lesion with internally restricting content within the right glosso-tonsillar sulcus, possibly representing a retention cyst. Intracranially, there is an established (likely previously hemorrhagic) infarct within the left external capsule. The well-rounded cyst-like lesion closely associated with the right anterior commissure, likely representing a prominent perivascular space or an established lacunar infarct. Conclusion: The heterogenous mass lesion within the deep lobe of left parotid likely represents a malignant lesion. There is no associated peri-neural tumor spread, however, the ipsilateral level II lymph nodes are enlarged.
Date Published: 27th Mar 2014
Source https://radiopaedia.org/cases/carcinoma-ex-pleomorphic-adenoma-of-parotid
Author H&N spaces
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)

File history

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current16:58, 2 July 2021Thumbnail for version as of 16:58, 2 July 2021256 × 256 (12 KB) (talk | contribs)Radiopaedia project rID:28383 (batch #6004-170 F8)