Solitary muscular sarcoidosis: CT, MRI, and scintigraphic characteristics

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Abstract
Scintigraphy using gallium-67 (67Ga) citrate and penvaralent technetium-99m dimercaptosuccinic acid {[99mTc(V)]DMSA} and other radiological examinations were performed in three patients with solitary muscular sarcoidosis who had tumor-like muscular lesions. Although distinction from other invasive soft tissue tumors was difficult using plain and enhanced computed tomography and magnetic resonance imaging, marked uptake of67Ga and moderate uptake of [99mTc(V)]DMSA were shown at the sites of granulomatous inflammatory lesions of sarcoidosis. Both67Ga and [99mTc(V)]DMSA scintigraphy could be of value in the diagnosis and detection of distribution of granulomas of sarcoidosis in the soft tissue and in determining the appropriate region for biopsy.

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