We report a case of necrobiosis lipoidica located on the glans penis of a patient without diabetes mellitus. Both clinical and histologic features favor the diagnosis of necrobiosis lipoidica, even though the location is unusual. Treatment with pentoxifylline was effective. The differential diagnosis is discussed.
The inflammatory metastatic carcinoma is a rare clinical entity, histologically characterized by lymphatic dermal invasion by neoplastic cells. We report three cases of inflammatory metastatic carcinoma, two of them secondary to a breast carcinoma, and the third secondary to a colon adenocarcinoma.
Perianal basal cell carcinoma (BCC) is a rare tumour and only a few case reports can be found in the literature. In this location, it is important to differentiate a BCC from a basaloid cloacogenic carcinoma, as the first is an invasive but localized tumour, while the second has a high capacity for metastasis.
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