When I tried to decide on a title for the blog that I was restarting, I finally settled on “Gleanings in Derm…
月: 2025年3月
When I tried to decide on a title for the blog that I was restarting, I finally settled on “Gleanings in Derma…
Kinoshita Mokutarō may be unfamiliar to younger readers, and perhaps even to some dermatologists. Yet he is no…
Episodes of Masao Ota (2) Tohoku Imperial University Period The more than ten years Masao Ota spent in Sendai …
Here I review several episodes from the life of Masao Ota, mainly in his role as a dermatologist, arranged rou…
Nevus of Ota refers to a pigmented lesion ranging in color from brown to bluish, typically occurring on the fa…
Masao Ota: A Pioneer of Modern Dermatology A biographical study of Masao Ota / Mokutaro Kinoshita was initiate…
🔷毛孔性苔癬（Lichen Pilaris) 毛孔性苔癬は欧米ではKeratosis pilaris(毛孔性角化症）と呼ばれるようです。毛孔一致性の１ｍｍ程度の角化性丘疹が四肢中枢部の伸側や臀部などに散…
四肢、顔面時に外陰部に円形から楕円形の環状隆起を示す角化性堤防状皮疹を認めます。但し、体幹部などにもみられることもあります。中央部皮膚は萎縮性でわずかに陥凹し、黒褐色丘疹として始まり、次第に遠心性に拡大し、自覚症はないか…
後天性の角化症にも種々のものがありますが、日常外来で最も多くみられるのが鶏眼（うおのめ）、胼胝（たこ）でしょう。いずれも機械的な外力の反復する部位に、防御機転として生じる限局性の角質増殖です。 🔷胼胝（胼…