Fig. 2From: Paratesticular fibrous pseudotumour: case report of a rare manifestation of IgG4-related diseaseHistopathology images of the lesion showing a dense lymphocytic infiltrate, b storiform fibrosis with hyalinised collagen, c plasma cell infiltration, d immunohistochemistry showing more than 40% infiltration by IgG4 positive plasma cellsBack to article page