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''Tinea cruris'', also known as crotch itch, crotch rot, Dhobi itch, ''eczema marginatum'', gym itch,〔 jock itch, jock rot, scrot rot and ringworm of the groin〔 is a dermatophyte fungal infection of the groin region in any sex, though more often seen in males. In German, this condition is called ''tinea inguinalis'' (from Latin ''inguen'' = groin) whereas ''tinea cruris'' refers to the dermatophytosis of the lower leg (Latin ''crus''). Tinea cruris is similar to, but different from Candidal intertrigo, which is an infection of the skin by ''Candida albicans''. The latter is more specifically located between intertriginous folds of adjacent skin, which can be present in the groin or scrotum, and be indistinguishable from fungal infections caused by ''tinea''. However, candidal infections tend to both appear and with treatment disappear more quickly.〔 It may also affect the scrotum. ==Signs and symptoms== As the common name for this condition implies, it causes itching or a burning sensation in the groin area, thigh skin folds or anus. It may involve the inner thighs and genital areas, as well as extending back to the perineum and perianal areas. Tinea is often painful or itchy, but not in every case. There are visual clues to help identify a fungal infection. These include: * Inflammation of the groin, anal area and upper thigh - ''not'' including the genitals themselves * slightly raised patch * sharp borders * expanding or spreading, with clearing in the center * dry or scaly blisters (occasionally oozing or crusting) * abnormally dark or light skin * skin redness or inflammation Fungal infections often spread out in a circle, leaving normal-looking skin in the middle. At the leading edge of the infection the skin is raised, red and scaly. Affected areas may appear red, tan, or brown, with flaking, rippling, peeling or cracking skin.〔(【引用サイトリンク】 Jock itch )〕 The acute infection begins with an area in the groin fold about a half-inch across, usually on both sides. The area may enlarge, and other sores may develop. The rash has sharply defined borders that may blister and ooze.〔(【引用サイトリンク】 Jock itch )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tinea cruris」の詳細全文を読む スポンサード リンク
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