plastic surgery dermatology

【診療Tips】頭部のおでき:外毛根鞘性嚢腫

 

外毛根鞘性嚢腫 trichilemmal cyst

  • 約 90%が頭部に生じる。
  • 臨床所見は粉瘤と類似するが、外毛根鞘性嚢腫のほうが固くなだらかな隆起として触れる。
  • 粉瘤も外毛根鞘性嚢腫も毛包由来だが、粉瘤が毛包漏斗部由来なのに対し外毛根鞘性嚢腫は毛包峡部由来と考えられている。
  • 治療法は粉瘤と同じである。

頭皮に好発し、粉瘤よりも固くなだらかな隆起として触れる。




 

  • This article was written by.
  • Latest Articles

Shimpei Ono (Plastic Surgeon)

Associate Professor, Department of Plastic and Reconstructive Surgery, Nippon Medical School. He specializes in hand and foot plastic surgery, microsurgery, and reconstructive surgery, and is involved in clinical practice, research, and education. His research interests include the development of movable prosthetic fingers, VR education, application of 3D ultrasound and medical imaging engineering, and emphasis on PROs. He also has an interest in art anatomy and medical illustration, and lectures and writes about the fusion of art and medicine. In his educational activities, in addition to teaching students and residents, he is also involved in international medical exchange and disaster medicine as the director of the Association for Southeast Asian Medical Research (Ajiken).

-plastic surgery, dermatology
-, , , ,

© 2025 Minor Surgery & Emergency Powered by AFFINGER5