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Acral lentiginous melanoma. Acral lentiginous melanoma is a type of skin cancer. [6] It typically begins as a uniform brownish mark before becoming darker and wider with a blurred irregular edge, most frequently seen in the foot of a person with darker skin. [6] It may become bumpy and ulcerate. [6]
Lentigo maligna melanoma is a melanoma that has evolved from a lentigo maligna, [1] : 695 as seen as a lentigo maligna with melanoma cells invading below the boundaries of the epidermis. [2] They are usually found on chronically sun damaged skin such as the face and the forearms of the elderly. Lentigo maligna is the non-invasive skin growth ...
59,800 (2015) [6] Melanoma is the most dangerous type of skin cancer; it develops from the melanin -producing cells known as melanocytes. [1] It typically occurs in the skin, but may rarely occur in the mouth, intestines, or eye ( uveal melanoma ). [1] [2] In women, melanomas most commonly occur on the legs; while in men, on the back. [2]
Psychiatry. Types. OCD. Dermatophagia (from Ancient Greek δέρμα — lit.skin and φαγείαlit.eating) or dermatodaxia (from δήξις, lit.biting) [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [4] and it is considered to be a type of pica.
Skin cancers are cancers that arise from the skin. They are due to the development of abnormal cells that have the ability to invade or spread to other parts of the body. [10] Skin cancer is the most commonly diagnosed form of cancer in humans. [11] [12] [13] There are three main types of skin cancers: basal-cell skin cancer (BCC), squamous ...
Superficial spreading melanoma ( SSM) is a type of skin cancer that typically starts as an irregularly edged dark spot typically on sun-exposed part of the body. [2] [3] The colour may be variable with dark, light and reddish shades; occasionally no color at all. [2] It typically grows in diameter before spreading to deeper tissue, forming a ...
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]
Lentigo maligna is a histopathological variant of melanoma in situ. Lentigo maligna is sometimes classified as a very early melanoma, and sometimes as a precursor to melanoma. When malignant melanocytes from a lentigo maligna have invaded below the epidermis, the condition is termed lentigo maligna melanoma. Signs and symptoms
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