hereditary disease popliteal cyst https://www.malacards.org/card/popliteal_cyst MESH:D011151 A synovial cyst located in the back of the knee, in the popliteal space arising from the semimembranous bursa or the knee joint. MEDGEN:10853 SCTID:82675004 UMLS:C0032650 popliteal cyst ICD9:727.51 MONDO:0008288 OMIM:175750