Fig. 19From: MRI characteristics of cysts and “cyst-like” lesions in and around the knee: what the radiologist needs to knowSemimembranosus-medial collateral ligament bursitis. The axial (a–d) fat saturated proton density weighted images show a fluid distended semimembranosus–MCL bursa (white arrow). In contact with the semimembranosus-MCL bursa a small Baker cyst is demonstrated (black arrow). In image (b) the lesion takes the typical configuration of a distended semimembranosus-MCL bursa, that of an inverted UBack to article page