8402/3 Nodular hidradenoma, malignant
|ICD-O-3 topography code:||C44|
A carcinoma with apocrine and less often eccrine differentiation, arising from the sweat glands. It usually presents as a solitary slow growing nodule in the dermis or subcutaneous tissues. It is characterized by a nodular growth pattern and it is often associated with necrotic changes.