Bean

Japanese: まめ
Bean

These are bean-shaped or blood blisters that develop as a result of repeated mechanical stimulation, and mainly appear on the palms and soles of the feet. When using horizontal bars, rowing, or golf, they appear on the pads of the fingers or the borders between the fingers and the palm, and when wearing unfamiliar footwear, they appear on the soles, heels, and the areas where the straps of sandals or thongs touch. At first, these areas become red and painful, and then blisters or blood blisters form. Histologically, these blisters form between the epidermis and dermis, and when they break and the dermis is exposed, the pain intensifies. Blood blisters are blisters that contain blood, and are different from hematomas. Treatment involves avoiding the mechanical stimulation that caused the condition, removing the contents with a sterilized needle, and applying solutions such as "Isodine solution" or "Hibitane solution." If the blisters break and the eroded surface is exposed, it is best to cover them with an ointment containing an antibiotic.

[Hiromi Mizutani]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

機械的刺激を繰り返し受けることによってできる、豆のような形、大きさの水疱(すいほう)または血疱のことで、主として手のひら、足の裏に生ずる。鉄棒やボート、ゴルフなどでは手の指の腹側や指と手のひらの境界部に生じ、慣れない履き物では足の裏やかかと、鼻緒やサンダルのベルトの当たる部分などにできる。最初はこれらの部分が赤くなって痛み、腫(は)れてきて水疱や血疱ができる。この水疱は組織像では表皮と真皮の間に生じ、破れて真皮が露出すると痛みが強くなる。血疱は水疱中に血液が混入したもので、血腫(けっしゅ)とは異なる。治療としては、原因となる機械的刺激を避け、消毒した針で内容物を出し、「イソジン液」や「ヒビテン液」などを塗る。破れてびらん面が露出したものは、抗生物質入りの軟膏(なんこう)を塗ってカバーしておくのがよい。

[水谷ひろみ]

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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