In-111 octreotide SPECT/CT in the early diagnosis of pulmonary sarcoidosis: A case report

Roberto G Carbone, Giuseppe Villa, Simone Negrini, Francesco Puppo
Radiology Case Reports 2022, 17 (2): 340-343
Sarcoidosis is a granulomatous disease of unknown etiology. At present the best diagnostic imaging procedure to assess stage and activity of sarcoidosis is controversial. We report the case of a 50-year-old male admitted with a history of dyspnea and fatigue with past medical history negative for smoking, occupational and environmental risk factors. Physical examination, routine blood tests, and pulmonary function tests were normal except for hypercalciuria. A chest radiograph showed bilateral hilar lymphadenopathy. Single photon emission computed tomography and/or computed tomography (SPECT and/or CT) In-111 Octreotide (Octreoscan) scintigraphy confirmed morphologic involvement of bilateral hilar lymph nodes and a mediastinoscopy biopsy specimen provided diagnosis of pulmonary sarcoidosis (stage 0). This clinical case shows the effectiveness of In-111 Octreotide SPECT and/or CT in the early diagnosis of pulmonary sarcoidosis.

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