Pitted keratolysis - 足蹠蠹蝕症https://en.wikipedia.org/wiki/Pitted_keratolysis
足蹠蠹蝕症 (Pitted keratolysis) 是一種足部細菌性皮膚感染,伴隨嚴重氣味。此感染的特徵是腳底和腳趾上出現火山口狀的凹坑,尤其在承重區域。它是由棒狀桿菌屬細菌引起,腳部出汗過多及穿著封閉性鞋類為細菌提供了繁殖環境。

此情況相當常見,特別是在軍隊中,長時間穿著濕鞋/靴子而未及時脫下或清潔。足蹠蠹蝕症 (Pitted keratolysis) 的診斷通常透過目視檢查並辨識特徵氣味來完成。治療需要在皮膚上使用抗生素,例如過氧化苯甲醯 (Benzoyl peroxide)、克林黴素 (Clindamycin)、紅黴素 (Erythromycin)、夫西地酸 (Fusidic acid) 或莫匹羅星 (Mupirocin)。預防的重點是保持足部乾燥。

治療 - 非處方藥
始終保持雙腳與襪子乾燥。可嘗試使用非處方抗生素軟膏,並在腳部使用含抗菌成分的洗手液以協助控制感染。
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  • 腳掌上有多個散發惡臭的凹陷。
  • 伴隨著由Corynebacterium 物種所引起的強烈氣味。
References Pitted keratolysis - Case reports 35855037 
NIH
Pitted Keratolysis 是一個術語,用於描述表面細菌性皮膚感染,主要影響腳底而非手掌。此情況通常由久坐球菌、棒狀桿菌等細菌引起,最常見於 21 至 30 歲的人群,多數人在 20 多歲或 30 多歲時曾經歷過。男性罹患此疾病的風險約為女性的四倍,可能與男性較常穿緊身、封閉的鞋子有關;相較之下,女性往往較注重足部衛生。以下介紹一名 23 歲患者的病例:患者主訴腳底,特別是腳趾周圍出現凹陷性皮膚損傷,該損傷已持續三天。
Pitted Keratolysis is a descriptive title for a superficial bacterial skin infection that affects the soles of the foot, less frequently, the palms confined to the stratum corneum. The etiology is often attributes due to Kytococcus sedentarius and Corynebacterium species bacteria. Pitted keratolysis is most common in the age group of 21 to 30 years, with a majority of affected patients in their 1st to 4th decade of life. Males are at 4 times higher risk of being susceptible to this condition, presumably, due to frequent use of occlusive footwear, whereas females maintain better foot hygiene. We present a case of a 23-year-old medical intern who presented to our hospital with complaints of pitted skin lesion over base of foot, predominantly over toes for past 3 days.
 Pitted keratolysis - Case reports 26982791 
NIH
Pitted keratolysis 是一種影響腳底外層皮膚的疾病,由細菌引起。一名 30 歲男子的腳底出現了幾處小而破裂的損傷。在更高放大倍率(×3,500)下,可清晰看到表面的細菌,呈現出特有的分裂模式。
Pitted keratolysis is a skin disorder that affects the stratum corneum of the plantar surface and is caused by Gram-positive bacteria. A 30-year-old male presented with small punched-out lesions on the plantar surface. A superficial shaving was carried out for scanning electron microscopy. Hypokeratosis was noted on the plantar skin and in the acrosyringium, where the normal elimination of corneocytes was not seen. At higher magnification (x 3,500) bacteria were easily found on the surface and the described transversal bacterial septation was observed.