Right thigh's porocarcinoma (metastastic)

Case contributed by Maxime St-Amant


Quickly growing right thigh mass.

Patient Data

Age: 65
Gender: Male

There is a round mass involving the medial subcutaneous tissue of the right thigh, which has recently been biopsied. It is slightly hyperdense compared to adjacent muscles, with small hypodense components. Moreover, there is a magma ipsilateral inguinal lymph nodes, highly suggestive of a metastatic process.

Incidentally, there are small bilateral hydroceles, more prominent on the right side.

Case Discussion

The diagnosis of metastatic eccrine porocarcinoma, a rare eccrine sweat gland tumor, was confirmed histologically.

The clinical features of porocarcinoma are variable and their localization not related to the concentration of eccrine sweat gland. They tend to occur more frequently on the feet and legs. As this is an aggressive tumor, a prompt diagnosis is essential.

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