A Scallop-shaped Photopenic Region in the Urinary Bladder Area on Tc-99m MDP Bone Scan Caused by a Uterine Cervical Leiomyoma.

Wang, Guoqiang; Liu, Xinfeng; Si, Zengmei; Wang, Zenghua; Wang, Xufu · Clin Nucl Med · 2025

case_report · Level V

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Abstract

A 46-year-old woman with right breast invasive ductal carcinoma and sternalgia underwent Tc-99m methylene diphosphonate (MDP) whole-body bone scintigraphy, on which a scallop-shaped photopenic region in the urinary bladder area was found, besides increased radioactivity in the sternum region and both breasts. By reviewing a previous CT scan, a pelvic mass oppressing the right wall of the urinary bladder was noted, which was confirmed to be a rare uterine cervical leiomyoma by biopsy.

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