Intense 68Ga-FAPI Uptake in a Patient With Myositis Ossificans: Mimicking Bone Malignancy.

Gong, Weidong; Chen, Si; He, Lei; Liu, Wei; Zhang, Chunyin · Clin Nucl Med · 2022

case_report · Level V

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Abstract

A 72-year-old man presented with right hip pain, difficulty in walking, and a mass in his right hip for 3 months. CT suggested osteonecrosis of the right femoral head and a mass in the right hip with calcification. A malignancy was suspected, and the patient was subsequently enrolled in the clinical trial of 68Ga-FAPI. 68Ga-FAPI PET/CT showed a mass in his right hip with intense FAPI activity. It was also highly suggestive of malignancy. The pathological examination after right-hip surgery confirmed the diagnosis of myositis ossificans.

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