Malignant Epithelioid Mesothelioma of the Tunica Vaginalis Testis Presenting as Hydrocele in a Kidney Transplant Recipient

Figure 1

Histology pictures of the specimen on hematoxylin and eosin stain. (a) Papillary mesothelioma with epithelioid cells and thick fibrovascular cores (40x). (b) Papillary mesothelioma with epithelioid cells and focal stromal infiltration (black arrow, 100x). (c) Epithelioid mesothelioma with nested/infiltrative pattern (100x). (d) Epithelioid mesothelioma with nested/infiltrative pattern (200x). (e) Epithelioid mesothelioma with large nucleoli and atypical mitotic figure (black arrow, 400x).