File:Nasopharyngeal carcinoma- T4,N3b (Radiopaedia 59376-67001 B 1).jpg

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Summary:

Description
  • Radiopaedia case ID: 59376
  • Image ID: 37772489
  • Plane projection: Multi-modality correlate
  • Study description: Annotations to show pterygomaxillary fissure extension
  • Study findings: The red arrows indicate on MRI and CT the involvement of the pterygomaxillary fissure. Illustration taken from:   https://radiopaedia.org/cases/pterygopalatine-fossa
  • Modality: Annotated image
  • System: Head & Neck
  • Findings: 4.7 cm mildly enhancing soft tissue mass centered on the left fossa of Rosenmüller. The mass extends anteriorly into the left posterior nares invading the left inferior turbinate. Bony erosion of the medial wall of the left maxillary antrum.  Soft tissue widening the left pterygomaxillary fissure. The fat plane between the mass and medial pterygoid muscle is obliterated suggesting masticator space extension. 1 cm satellite nodule (10 mm) along the medial wall of the left nasal cavity. No bony erosion of the base of the skull. Multiple enlarged lymph nodes at left level Ib, II, III, IV and V. Multiple left intraparotid nodes most of which have internal necrosis. The largest measures 3 cm in the left parotid gland. Multiple left supraclavicular nodes. Multiple enlarged lymph nodes at right level II, the largest one measuring 1.4 cm. Mucosal thickening of the left maxillary antrum, sphenoid and middle group of ethmoid sinuses. Right parotid, submandibular and thyroid glands are unremarkable.
Date Published: 17th Apr 2018
Source https://radiopaedia.org/cases/nasopharyngeal-carcinoma-t4n3b
Author Ian Bickle
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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