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. 2022 Dec 16;14(12):e32605. doi: 10.7759/cureus.32605

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Copyright © 2022, Unadkat et al.

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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A. Positron emission tomography-computed tomography scan of the head reveals an ill-defined minimally enhancing mass lesion in the masticator space on the left side, showing low-grade diffuse fluorodeoxyglucose uptake with standardized uptake value max of 6.1 with obliteration of the retroantral fat on the left side. There is a superior extension of the mass reaching up to the apex of the left orbit (yellow arrow).

B. Contrast-enhanced computed tomography scan of the head reveals an ill-defined minimally enhancing mass lesion in the masticator space on the left side, showing low-grade diffuse fluorodeoxyglucose uptake with standardized uptake value max of 6.1 with obliteration of the retroantral fat on the left side. There is a superior extension of the mass reaching up to the apex of the left orbit (yellow arrow).

C. Positron emission tomography-computed tomography fusion scan of the head reveals an ill-defined minimally enhancing mass lesion in the masticator space on the left side, showing low-grade diffuse fluorodeoxyglucose uptake with standardized uptake value max of 6.1 with obliteration of the retroantral fat on the left side. There is a superior extension of the mass reaching up to the apex of the left orbit (yellow arrow).