Fig. 1
From: Clinical manifestation and arthroscopic treatment of symptomatic posterior cruciate ligament cyst
Arthroscopic image of the PCL cyst. a Viewing from the anterolateral portal, cyst which was partially behind the ACL encases the PCL and capillaries were distributed on the surface. b Viewing from the posteromedial portal, the PCL cyst was located posterior to the PCL and partly covered by synovium. c Viewing from the posteromedial portal, yellowish viscous fluid exuded out when the cyst was opened. d Capillaries were distributed on the inner surface of the cyst wall. e After resecting the front wall of the cyst, PCL was intact and uninvolved