50.0 MB (4.1 MB compressed)
5125 x 3410 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
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Basal cell carcinoma (pink) surrounded by seborrhoeic warts (brown) on the skin of an 88 year old male patient. Basal cell carcinoma (also called rodent ulcer) is the most common type of skin cancer, most frequently occurring on the head and face. Basal cell skin cancers are related to long term, chronic exposure to the sun's ultraviolet radiation. The cancer may be successfully treated if diagnosed and removed before secondary complications occur. Seborrhoeic warts are produced by excessive secretion of sebum by the sebaceous glands.
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