title: Four cases of lumbo-sacral and sacral agenesis.
mesh_terms: D000293:Adolescent; D000671:Amputation, Surgical; D001174:Arthrodesis; D001186:Artificial Limbs; D002648:Child; D002675:Child, Preschool; D000013:Congenital Abnormalities / Q000000981:diagnostic imaging / Q000601:surgery; D005260:Female; D005269:Femur / Q000601:surgery; D006616:Hip Contracture / Q000601:surgery; D006801:Humans; D007223:Infant; D007866:Leg / Q000601:surgery; D008159:Lumbar Vertebrae / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000196:embryology / Q000601:surgery; D008297:Male; D010027:Osteotomy; D011859:Radiography; D012447:Sacrum / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000196:embryology / Q000601:surgery; D013123:Spinal Fusion; D013131:Spine / Q000196:embryology