Malignant clear cell hidradenoma.
We report the case of a 77-year-old man with a recurrent malignant clear cell hidradenoma. Establishing histopathological criteria of malignancy for these tumors can be difficult as nuclear anaplasia may be slight to moderate or even absent; however, in contrast to the benign form, malignant clear cell hidradenoma tends to invade the surrounding tissue. As these tumors can show a high rate of local recurrence (50%) and may even metastasize to lymph nodes, bone or visceral organs, wide surgical excision should be performed after the initial diagnosis.
Service de Dermatologie, Hôpitaux universitaires Saint-Pierre et Brugmann, Université Libre de Bruxelles, Belgique.
D
D
Touma
M
M
Laporte
A
A
Goossens
M
M
Ledoux
D006607:Adenoma, Sweat Gland / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D000368:Aged; D006801:Humans; D008297:Male; D009364:Neoplasm Recurrence, Local / Q000473:pathology* / Q000601:surgery; D012782:Shoulder; D012878:Skin Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D014463:Ultrasonography