title: Medial meniscal cyst imitating a tumor, with compression of the saphenous nerve.
abstract: We report a case of large medial meniscal cyst responsible for symptomatic saphenous nerve compression in a 49-year-old male with a history of mild trauma to the affected knee. We are not aware of any similar cases in the literature. The lesion was delineated by ultrasonography and even more clearly by magnetic resonance imaging. At surgery, the saphenous nerve was seen to be displaced by the cyst. Cystectomy and partial meniscectomy were performed. The outcome was favorable.
authors.affiliation: Department of Orthopedics, Hospital, Lausanne, Switzerland.
authors.forename: F
authors.initials: F
authors.lastname: Widmer
authors.forename: J C
authors.initials: JC
authors.lastname: Gerster
mesh_terms: D001859:Bone Neoplasms / Q000473:pathology*; D003560:Cysts / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology*; D003937:Diagnosis, Differential; D005267:Femoral Nerve / Q000473:pathology*; D006801:Humans; D007592:Joint Diseases / Q000150:complications / Q000473:pathology*; D008279:Magnetic Resonance Imaging; D008297:Male; D008592:Menisci, Tibial / Q000000981:diagnostic imaging / Q000294:innervation / Q000473:pathology*; D008875:Middle Aged; D009408:Nerve Compression Syndromes / Q000150:complications*; D011877:Radionuclide Imaging