Intraarticular epiphyseal osteoid osteoma of the distal femur. 1987

T Odaka, and T Koshino, and T Saito

A 9-year-old boy had pain in the medial side of the right knee with limited range of motion and limping. Roentgenography showed a small sclerotic shadow (8 X 8 mm2) in the medial femoral condyle, where bone scintigraphy revealed a high uptake area and angiography showed a nidus. Five months after initial presentation, en bloc excision was done through the posteromedial approach. Histological examination showed a network of osteoid trabeculae, differentiated osteoblasts, and multinucleated giant cells in this nidus, which were compatible with those of osteoid osteoma. Complete relief of pain was obtained at follow-up 1 year after the operation.

UI MeSH Term Description Entries
D007717 Knee A region of the lower extremity immediately surrounding and including the KNEE JOINT.
D008297 Male Males
D010017 Osteoma, Osteoid A benign osteoblastic tumor with central vascularized nidus surrounded by normal reactive bone. It occurs especially in second decade of life most commonly in the femoral neck but can occur in any bone and any site within a bone. Osteoid Osteoma,Osteoid Osteomas,Osteomas, Osteoid
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D004838 Epiphyses The head of a long bone that is separated from the shaft by the epiphyseal plate until bone growth stops. At that time, the plate disappears and the head and shaft are united. Epiphysis
D005266 Femoral Neoplasms New abnormal growth of tissue in the FEMUR. Femoral Neoplasm,Neoplasm, Femoral,Neoplasms, Femoral
D005269 Femur The longest and largest bone of the skeleton, it is situated between the hip and the knee. Trochanter,Greater Trochanter,Lesser Trochanter,Femurs,Greater Trochanters,Lesser Trochanters,Trochanter, Greater,Trochanter, Lesser,Trochanters,Trochanters, Greater,Trochanters, Lesser
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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