34.9 MB (1.7 MB compressed)
4288 x 2848 pixels
36.3 x 24.1 cm ⏐ 14.3 x 9.5 in (300dpi)
DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
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Chronic plaque psoriasis on a 41-year-old man's abdomen. Psoriasis is a chronic dermatological condition where excessive growth can lead to scaly, thickened patches of skin. It is often stress-related, though sometimes no cause can be found. It can be treated with drugs or phototherapy, though the condition often recurs.
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