Using this measure, investigators have found that the deadliest skin cancers occur most often on the head and neck of older men with a long history of sun exposure.
(High mitotic rate) These lesions also grow quickly and are often colourless, the researchers discovered.
Rapid cell growth, called high mitotic rate, is associated with poorer prognosis in patients with melanoma. For this new study, the Australian research team examined the physical characteristics of melanomas and their rate of cell division to help doctors know how to spot these faster-growing ones.
(Read: Are you at risk of melanoma) Currently, the seriousness of a melanoma is established by its depth. “Now we might add the mitotic rate as part of that prognostic factor,” said Dr. Doris Day, a dermatologist at Lenox Hill Hospital in New York City, who had no part in the study. (Link)