The melanotic cancer contains abundant pigment, melanin, within its cells.
The tumor, a melanotic sarcoma, was about the size of a small walnut, and located in the small of the back of an elderly lady.
Melanotic sarcoma may occur as metastatic from an original melano-sarcomatous tumor of the skin or eyeball.
Hip lameness may also be provoked by melanotic or other tumors.
Squamous epithelioma and melanotic cancer are the forms met with.
