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a) Biopsy specimen taken from an enlarged mediastinal lymph node showing non-necrotizing granulomas in a patient with radiographic type I sarcoidosis on chest radiograph. Magnification 200×. b) Specimen from a consolidated mass in the lung of a patient with pulmonary sarcoidosis, showing non-necrotizing granulomas with multinucleated giant cells. Magnification ×100. Biopsy samples in both panels are stained with haematoxylin and eosin. | C. A. Seldenrijk, St Antonius Hospital, Netherlands.

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