Rodent ulcer
Encyclopedia
Rodent ulcer is a large skin lesion of nodular basal cell carcinoma
Nodular basal cell carcinoma
Nodular basal-cell carcinoma is a cutaneous condition, a subtype of basal-cell carcinoma, most commonly occurring on the sun-exposed areas of the head and neck....

 with central necrosis. and is type of Basal cell carcinoma
Basal cell carcinoma
Basal-cell carcinoma is the most common type of skin cancer. It rarely metastasizes or kills. However, because it can cause significant destruction and disfigurement by invading surrounding tissues, it is still considered malignant. Statistically, approximately 3 out of 10 Caucasians may develop a...

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