Malignant nodular hidradenoma with angiolymphatic invasion: a case report.

Malignant nodular hidradenomas are rare variants of sweat gland carcinomas characterized by aggressive clinical behaviour. We report a case of 42-year-old female with 3 x 2 x 1 cm nodule on her foot followed by cutaneous and regional lymph node metastasis. Flow cytometry showed S-phase fraction of 72.6% and 15.8% of aneuploid cells corroborating with its aggressive nature.