| FOS | fiberoptic sigmoidoscopy; fractional osteoid surface |
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| OV | oculovestibular; office visit; osteoid volume; outflow volume; ovalbumin; ovary; overventilation; ov... |
masto-chondroma
| periosteal chondroma | <tumour> A chondroma that develops from periosteum or periosteal connective tissue. Synonym: juxtacortical chondroma. (05 Mar 2000) |
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| chondroma | <oncology, tumour> A benign neoplasm derived from mesodermal cells that form cartilage. (27 Sep 1997) |
| juxtacortical chondroma | <tumour> A chondroma that develops from periosteum or periosteal connective tissue. Synonym: juxtacortical chondroma. (05 Mar 2000) |
| extraskeletal chondroma | <tumour> A chondroma located in soft tissues, usually of the fingers, hands, and feet, not connected to underlying bone or periosteum. (05 Mar 2000) |
| giant osteoid osteoma | A benign, painful, tumour of bone characterised by the formation of osteoid tissue, primitive bone and calcified tissue. It occurs frequently in the spine of young persons. (12 Dec 1998) |
| osteoid | <pathology> Uncalcified bone matrix, the product of osteoblasts. Consists mainly of collagen, but has osteonectin present. (18 Nov 1997) |
| osteoid osteoma | <radiology> M more than F, 15 - 30 years of age, lucent nidus with thickened cortex, metaphyseal, femur, talus, tibia, patella, rarely spine, never skull or clavicle, pain at night, relievey be inflammatory rather than neoplastic, treatment: leave it (disappears in 4-6 yrs), or remove nidus, Differential diagnosis: TB abscess, chronic osteo (Brodie abscess), sclerosing osteomyelitis of Garre (12 Dec 1998) |
| osteoid tissue | Osseous tissue prior to calcification. (05 Mar 2000) |
| osteoma, osteoid | Benign circumscribed tumour of spongy bone occurring especially in the bones of the extremities and vertebrae, most often in young persons. (12 Dec 1998) |
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