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  2. Basal-cell carcinoma - Wikipedia

    en.wikipedia.org/wiki/Basal-cell_carcinoma

    Basal-cell carcinoma (BCC), also known as basal-cell cancer, basalioma [7] or rodent ulcer, [8] is the most common type of skin cancer. [2] It often appears as a painless raised area of skin, which may be shiny with small blood vessels running over it . [ 1 ]

  3. Mycosis fungoides - Wikipedia

    en.wikipedia.org/wiki/Mycosis_fungoides

    Mycosis fungoides is caused by abnormal white blood cells (T-lymphocytes). These abnormal cells have a preference for localizing and proliferating uncontrolled in the outer layer of the skin . The abnormal cells may later involve other organs such as the lymph nodes. It is hypothesized that the genetic mutations in these cancer cells lead to ...

  4. Skin cancer - Wikipedia

    en.wikipedia.org/wiki/Skin_cancer

    They are due to the development of abnormal cells that have the ability to invade or spread to other parts of the body. [10] It occurs when skin cells grow uncontrollably, forming malignant tumors. The primary cause of skin cancer is prolonged exposure to ultraviolet (UV) radiation from the sun or tanning devices.

  5. Keratinocyte - Wikipedia

    en.wikipedia.org/wiki/Keratinocyte

    Micrograph of keratinocytes, basal cells and melanocytes in the epidermis Keratinocytes (stained green) in the skin of a mouse. Keratinocytes are the primary type of cell found in the epidermis, the outermost layer of the skin. In humans, they constitute 90% of epidermal skin cells. [1]

  6. List of skin conditions - Wikipedia

    en.wikipedia.org/wiki/List_of_skin_conditions

    The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. [1] The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3]

  7. Atypical fibroxanthoma - Wikipedia

    en.wikipedia.org/wiki/Atypical_fibroxanthoma

    Atypical fibroxanthoma (AFX) of the skin is a low-grade malignancy related to malignant fibrous histiocytoma, which it resembles histologically. [ 2 ] : 613 Atypical fibroxanthoma manifests as a hard, pink or red papule or nodule that grows over the course of several months and may bleed or ulcerate .

  8. Dysplastic nevus - Wikipedia

    en.wikipedia.org/wiki/Dysplastic_nevus

    A dermatoscope must be used to detect "ugly ducklings" among those with light skin or blonde/red hair. People with a personal or family history of skin cancer or of dysplastic nevus syndrome (multiple atypical moles) should see a dermatologist at least once a year to be sure they are not developing melanoma.

  9. Atypia - Wikipedia

    en.wikipedia.org/wiki/Atypia

    Marked atypia of type 2 pneumocytes is a characteristic finding in association with treatment with busulfan and other chemotherapeutic agents.. Atypia (from Greek, a + typos, without type; a condition of being irregular or nonstandard) [1] is a histopathologic term for a structural abnormality in a cell, i.e. it is used to describe atypical cells.