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Merkel cell carcinoma (MCC) is a rare and aggressive skin cancer occurring in about three people per million members of the population. [1] It is also known as cutaneous APUDoma, primary neuroendocrine carcinoma of the skin, primary small cell carcinoma of the skin, and trabecular carcinoma of the skin. [ 2 ]
This form of cancer usually starts in areas of skin that are exposed to the sun, like the head and neck, as well as the arms, legs, and trunk. ... Merkel cell carcinoma pictures. The appearance of ...
Cancer Research UK has recently warned that skin cancer cases are set to rise by half by 2040
Merkel cell carcinoma accounts for fewer than 1% of all skin cancers — but when it metastasizes it often turns deadly.
Merkel cell. Merkel cells are found in the skin and some parts of the mucosa of all vertebrates. In mammalian skin, they are clear cells found in the stratum basale [2] [3] (at the bottom of sweat duct ridges) of the epidermis approximately 10 μm in diameter. They are oval-shaped mechanoreceptors essential for light touch sensation and found ...
The reasons why 20% of Merkel cell carcinoma are negative for the virus remain completely unknown but speculations include the possibility that "Merkel cell carcinoma" is actually two or more closely related cancers, only one of which is infected with MCV. Misdiagnosis of this difficult cancer may also account for some of the negative results.
As with all skin cancers, sun exposure is a risk factor, as is a compromised immune system and previous history of skin cancer.
Penile cancer, or penile carcinoma, is a cancer that develops in the skin or tissues of the penis. Symptoms may include abnormal growth, an ulcer or sore on the skin of the penis, and bleeding or foul smelling discharge.