Exam 16: Tumors & Disorders of the Appendages
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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Skin tumors | Overgrowths of the skin cells can develop from any layer or its appendages.
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Skin cancer may be | life threatening
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Skin cancer can occur | wherever exposure to the sun was greatest.
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The diagnostic test for tumors of the skin | Skin biopsy of the lesion. A health history and visual inspection support the diagnosis.
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Risk Factors factors associated with cancer | Heredity.
Chemicals.
Irritants.
Diet.
Hormones.
Immune factors.
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Benign Tumors | Keloids.
Anginomas.
Verrucae (Wart).
Nevus (Mole).
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Keloids | an overgrowth of collagenous scar tissue at the site of a wound of the skin.
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Angioma | develops when a group of blood vessels dilate and form a tumorlike mass
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Verrucae (Wart) | a benign, viral, warty skin lesion with a rough, papillomatous (nipplelike) growth occurring in many forms.
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Nevus (mole) | a pigmented, congenital, skin blemish that is usually benign but may become cancerous
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Malignant Tumors | Basal cell carcinoma.
Squamous Cell Carcinoma.
Malignant Melanoma.
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Basal cell carcinoma | is one type of skin cancer that arises in the basal cell layer of the epidermis.
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Squamous Cell Carcinoma | arises in the epidermis
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Malignant Melanoma | a cancerous neoplasm in which pigment cells (melanocytes) invade the epidermis, dermis and sometimes the subcutaneous tissue.
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Basal cell carcinoma: Appearance | usually scaly in appearance. It may be a pearly papule with a central crater and waxy, pearly border.
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Squamous Cell Carcinoma: Description |
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