title: A case report on a very rare variant of popliteal artery entrapment syndrome due to an enlarged fabella associated with severe knee osteoarthritis.
authors.affiliation: Department of Orthopaedic Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan.
authors.forename: Yukari
authors.initials: Y
authors.lastname: Ando
authors.affiliation: Department of Orthopaedic Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan.
authors.forename: Yoshinari
authors.initials: Y
authors.lastname: Miyamoto
authors.affiliation: Department of Orthopaedic Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan.
authors.forename: Fumiaki
authors.initials: F
authors.lastname: Tokimura
authors.affiliation: Department of Vascular Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan.
authors.forename: Tatsu
authors.initials: T
authors.lastname: Nakazawa
authors.affiliation: Department of Orthopaedic Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan.
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Hamaji
authors.affiliation: Department of Orthopaedic Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan.
authors.forename: Masakazu
authors.initials: M
authors.lastname: Kanetaka
authors.affiliation: Department of Orthopaedic Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan.
authors.forename: Akira
authors.initials: A
authors.lastname: Koshiishi
authors.affiliation: Department of Spine Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan.
authors.forename: Kenichi
authors.initials: K
authors.lastname: Hirabayashi
authors.affiliation: Department of Spine Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan.
authors.forename: Yorito
authors.initials: Y
authors.lastname: Anamizu
authors.affiliation: Department of Orthopaedic Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan. Electronic address: miyazak14@tmig.or.jp.
authors.forename: Tsuyoshi
authors.initials: T
authors.lastname: Miyazaki
mesh_terms: D000368:Aged; D000792:Angiography / Q000379:methods; D001157:Arterial Occlusive Diseases / Q000000981:diagnostic imaging* / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D021621:Imaging, Three-Dimensional; D010003:Osteoarthritis / Q000000981:diagnostic imaging* / Q000601:surgery; D054850:Osteophyte / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D010027:Osteotomy / Q000379:methods; D011150:Popliteal Artery / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery*; D035583:Rare Diseases; D012720:Severity of Illness Index; D013577:Syndrome; D014057:Tomography, X-Ray Computed / Q000379:methods; D016896:Treatment Outcome; D014656:Vascular Surgical Procedures / Q000379:methods