Usefulness of 18FDG PET-CT scan as a diagnostic tool of fever of unknown origin

Central Nervous System Complications of Erdheim-Chester Disease

“…1 The ECD demonstrates positive CD68 stains and is negative for S-100 and CD1a, therefore differentiates from Langerhans histiocytosis. 2 The diagnosis was based on imaging and histological criteria. The most common manifestation is bone lesions, which usually involve long tubular bones such as distal femur, proximal tibia, and fibula.…”