Purpose: To evaluate the clinical relevance of subcentimetric lymph node biopsy via mediastinoscopy in patients with presumed ocular sarcoidosis (OS). Methods: Retrospective study of consecutive patients who underwent biopsy via mediastinoscopy for suspected OS. The biopsy outcomes and clinical features of patients with subcentimetric nodes and of those with lymph nodes >1 cm were compared. Results: A total of 67 patients with presumed OS were included. Forty-two patients (63%) had lymph nodes ≥1 cm in diameter, while 25(37%) showed subcentimetric lymph nodes. Biopsy was consistent with sarcoidosis in 83% of patients with lymph nodes ≥1 cm and in 76% of patients with subcentimetric lymph nodes (p = .60). Patients with OS who had subcentimetric lymph nodes had less lymphopenia (p = .01), lower lysozyme values (p = .03) and a longer diagnostic delay compared to those with larger lymph nodes. Conclusions: The biopsy of subcentimetric lymph nodes via mediastinoscopy may provide a histological diagnosis and reduce diagnostic delay.
Clinical Relevance of Subcentimetric Lymph Node Biopsy in the Diagnosis of Ocular Sarcoidosis / Bolletta, E.; Mastrofilippo, V.; Invernizzi, A.; Aldigeri, R.; Spaggiari, L.; Besutti, G.; Borrelli, R.; Lo Coco, F.; Ricchetti, T.; Rapicetta, C.; Cavazza, A.; Musci, G.; De Simone, L.; Gozzi, F.; Salvarani, C.; Pipitone, N.; Paci, M.; Cimino, L.. - In: OCULAR IMMUNOLOGY AND INFLAMMATION. - ISSN 0927-3948. - (2020), p. 1-4. [10.1080/09273948.2020.1817503]
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