Translation guide
A surgical opening of the skull, used in medical contexts. The Japanese term is straightforward, but learners should be aware of the formal medical register.
The medical procedure of temporarily removing a bone flap from the skull to access the brain.
Standard medical term for craniotomy. Used in formal and clinical contexts.
患者は開頭術を受けた。
The patient underwent a craniotomy.
開頭術は脳外科手術の一つです。
A craniotomy is a type of brain surgery.
Literally 'skull incision', sometimes used interchangeably with 開頭術, but less common as a standalone term.
緊急頭蓋切開が必要だった。
An emergency craniotomy was necessary.
This term is highly specialized. In everyday conversation, you might simply say 頭の手術 (あたまのしゅじゅつ, head surgery) unless speaking with medical professionals.