
Sebaceous carcinoma is an uncommon and aggressive malignant cutaneous tumor. Most are typically about 10 mm in size at presentation. This neoplasm is thought to arise from sebaceous glands in the skin and, therefore, may originate anywhere in the body where these glands are found. Because the periocular region is rich in this type of gland, this r...
Found on
http://en.wikipedia.org/wiki/Sebaceous_carcinoma

adnexal carcinoma of the sebaceous glands, usually occurring as a hard yellow nodule on the eyelid.
Found on
http://www.encyclo.co.uk/local/21001

Sebaceous carcinoma presents as a firm, usually yellowish, somewhat translucent nodule, most commonly on the face. Histologically, there is a malignant tumor with sebaceous differentiation, although some contain additional features of basal cell carcinoma. Metastases can occur.
Found on
http://www.skincareguide.ca/glossary/c/carcinoma_sebaceous.html
No exact match found.