An Impressive Widespread Sarcoid Myopathy in 18F-FDG PET/CT.

Lu, Chunyan; Ou, Xiaohong · Clin Nucl Med · 2025

case_report · Level V

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Abstract

Sarcoidosis is a systemic granulomatous disease of unknown etiology, primarily affecting the lungs and the lymphatics. Painless and impalpable diffuse sarcoid myopathy is very rare and may represent a diagnostic challenge even for expert physicians. We present the 18F-FDG PET/CT findings of a 77-year-old woman with muscular sarcoidosis manifested by non-parathyroid-related hypercalcemia. 18F-FDG PET/CT alone among conventional imaging studies provided clues for the diagnosis.

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