Fig. 2From: Microscopic polyangiitis associated with thymic tumor: a case report and review of the literatureRenal histopathological findings in the present case. a Hematoxylin-eosin staining (40×). b Periodic acid-Schiff staining (200×). c Periodic acid-methenamine silver staining (400×). d Masson’s Trichrome staining (400×)Back to article page