A Case of Giant Squamous Cell Carcinoma of the Buttock Possibly Arose from Syringocystadenoma and Invaded to the Rectum
Figure 1
The mass on the left buttock was cm in diameter and its surface was cauliflower-shaped with profuse exudates and ulceration. The skin around the mass colored brownish to purplish and had ulcers likely penetrating to the mass.
