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path skeletal 2
skeletal pathology quiz stack 2
Question | Answer |
---|---|
Osteomalacia | insufficient mineralization of the adult skeleton, causing shortening of long bones and bowing of the legs |
Rickets | insufficient mineralization of the infant skeleton due to a lack of vitamin D |
Gout | uric acid deposits in the joints, cartilage and kidneys |
Paget’s disease | “osteoarthritis deformans” metabolic skeletal disease, bone destruction which is replaced by weaker bone. |
Ischemic necrosis of bone | results from loss of blood supply to the bone, usu. Seen in the femoral head. |
Osteochondroma | “exostosis” benign projection of bone with a cartilaginous cap. Usu. Seen in childhood around the knee. |
Enchochondroma | benign slow growing cartilaginous tumore arising from the medullary cavity. Usu. Of the hands and feet. |
Osteoclastoma | “giant cell tumor” lucent lesion in the metaphysic extending to the cortex. Usu. Distal femur or proximal tibia. |
Bone cyst | fluid filled cyst with a wall of fibrous tissue. Usu. At the proximal humerus or femur. |
Osteogenic sarcoma | tumor consisting of osteoblasts forming speculations of calcified bone, usu. Of the metaphysis of long bone and the knee. |
Chondrosarcoma | malignant tumor of cartilaginous origin, usu. Of the long bones or rib, scapula or vertebra. |
Multiple myeloma | widespread malignancy of bone marrow plasma cells associated with bone destruction, bone marrow failure, hypercalcemia and renal failure, usu. Of flat bones. |
Bone metastases | the most common malignant bone tumors, spread by the bloodstream, lymphatics or proximity. |