Between February 1997 and October 1998, 11 patients(aged 11-19 years) with acute traumatic hemarthrosis underwent the arthroscopic procedure under extra epidural anesthesia. 1997年2月~1998年8月在关节镜下诊治的11例青少年创伤性膝关节血肿患者。
Hemarthrosis (or haemarthrosis, plural h(a)emarthroses) is a bleeding into joint spaces.
It is a common feature of Hemophilia. The presence of it excludes the ITP.