Talocalcaneal Coalition With Os Sustentaculum: Rare Cause for Foot Pain Demonstrated on 99mTc-HDP SPECT/CT

Sharjeel Usmani 1, Samreen Muzaffar 2, Fareeda Al Kandari 1, Najeeb Ahmed 2, Uzma Rehman 2

Affiliations

01 December 2020

-

doi: 10.1097/RLU.0000000000003217

Abstract

Os sustentaculi is a rare accessory bone of the foot located along the posterior end of sustentaculum tali. It is a component type of extra-articular talocalcaneal coalition. We report the case of a 17-year-old boy with symptomatic os sustentaculum with talocalcaneal coalition diagnosed on Tc-HDP SPECT/CT. We wish to emphasize on the use of SPECT/CT in not only characterizing the ossicle morphologically, but also for evaluation of this anatomical variant as an active source of pain in the absence of a more common cause of pain in young physically active patients.

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