title: Proximal focal femoral deficiency--a rare entity in the sonographic differential diagnosis of developmental dysplasia of the hip.
authors.affiliation: Department of Trauma and Reconstructive Surgery, Charite-University Medicine Berlin, Berlin, Germany. Kayser-Berlin@t-online.de
authors.forename: Ralph
authors.initials: R
authors.lastname: Kayser
authors.forename: Konrad
authors.initials: K
authors.lastname: Mahlfeld
authors.forename: Henning
authors.initials: H
authors.lastname: Grasshoff
authors.forename: Harry Rudolph
authors.initials: HR
authors.lastname: Merk
mesh_terms: D001848:Bone Diseases, Developmental / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005269:Femur / Q000002:abnormalities* / Q000000981:diagnostic imaging; D006621:Hip Joint / Q000002:abnormalities* / Q000000981:diagnostic imaging; D006801:Humans; D007223:Infant; D011859:Radiography; D014463:Ultrasonography