18F-Fluorodeoxyglucose Positron Emission Tomography-Computed Tomography in Response Assessment of Perivascular Epithelioid Cell Tumor of the Pelvic Cavity to Irinotecan and Temozolomide

Sarthak Tripathy; Sameer Rastogi; Sneha Prakash; Sreedharan Thankarajan Arun Raj; Shamim Ahmed Shamim; Avinash Upadhayay

doi:10.4103/ijnm.IJNM_29_20

¹⁸F-Fluorodeoxyglucose Positron Emission Tomography-Computed Tomography in Response Assessment of Perivascular Epithelioid Cell Tumor of the Pelvic Cavity to Irinotecan and Temozolomide

Indian J Nucl Med. 2020 Oct-Dec;35(4):348-349. doi: 10.4103/ijnm.IJNM_29_20. Epub 2020 Oct 21.

Authors

Sarthak Tripathy¹, Sameer Rastogi², Sneha Prakash¹, Sreedharan Thankarajan Arun Raj¹, Shamim Ahmed Shamim¹, Avinash Upadhayay²

Affiliations

¹ Department of Nuclear Medicine and PET-CT, All India Institute of Medical Sciences, New Delhi, India.
² Department of Medical Oncology, All India Institute of Medical Sciences, New Delhi, India.

Abstract

Perivascular epithelioid cell tumors (PEComas) are a rare variety of mesenchymal tumors composed of distinctive cells that show a focal association with blood vessel walls and usually express melanocytic and smooth muscle markers. We present a case of 38-year-old male, diagnosed with PEComa of the pelvic cavity who underwent serial ¹⁸F-fluorodeoxyglucose positron emission tomography-computed tomography scans for the assessment of response to the chemotherapeutic combination of irinotecan and temozolomide.

Keywords: Fluorodeoxyglucose; perivascular epithelioid cell tumor; positron emission tomography-computed tomography.