Calot's triangle

Full Definition

Calot's triangle, also known as the hepatocystic triangle, is a critical anatomical space bounded by the cystic artery superiorly, the cystic duct inferiorly, and the common hepatic duct medially. This triangular space contains important structures including the cystic lymph node of Lund and potential anatomical variants. Proper dissection and visualization of this area is essential for safe laparoscopic cholecystectomy.

Usage

Usage note: Named after French anatomist Jean-François Calot. May be written with or without the apostrophe.

In Context

• "Careful dissection of Calot's triangle revealed the cystic artery arising from the right hepatic artery." — Operative report
• "Dense adhesions in Calot's triangle made identification of the critical view challenging." — Surgical case note