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F-18 FDG PET/CT Findings in Pulmonary Necrotizing Sarcoid Granulomatosis

2010; Lippincott Williams & Wilkins; Volume: 35; Issue: 9 Linguagem: Inglês

10.1097/rlu.0b013e3181e9fade

1536-0229

Julia Arfi, Khaldoun Kerrou, Samba Traoré, Virginie Huchet, Antoine Bolly, Martine Antoine, Luc Delaunois, Thierry Vander Borght, Jean‐Noël Talbot,

Infectious Diseases and Tuberculosis

Necrotizing sarcoid granulomatosis (NSG) is a rare systemic disease that was described by Liebow in 1973. Dyspnea and chest pain may be present, as in our first patient; however, 25% of patients are asymptomatic, as our second patient. The typical radiographic findings are nonspecific: single or multiple lung opacities, with common involvement of the pleura. To the best of our knowledge, fluorodeoxyglucose (FDG) PET has only been reported in one case of NSG, which was atypical as it occurred in an adolescent. We report 2 cases, confirming that the lesions of NSG are FDG positive, showing a typical pattern of multiple bilateral lung nodules (imaged with PET/CT in 1 case). FDG imaging has a potential role when this distribution is observed on CT, to guide the surgical biopsy and show the actual extent of the disease.