- brown tumor
- a giant-cell granuloma produced in and replacing bone, occurring in osteitis fibrosa cystica and due to hyperparathyroidism.
Medical dictionary. 2011.
brown tumor
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Brown tumor — Brown tumors are tumors of bone that arise in settings of excess osteoclast activity, such as hyperparathyroidism [ [http://www.bonetumor.org/tumors/pages/page181.html Bonetumor.org The Web s Most Comprehensive Bone Tumor Resource ] ] , and… … Wikipedia
Tumor hypoxia — is the situation where tumor cells have been deprived of oxygen. As a tumor grows, it rapidly outgrows its blood supply, leaving portions of the tumor with regions where the oxygen concentration is significantly lower than in healthy tissues.… … Wikipedia
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tumor — 1. Any swelling or tumefaction. 2. SYN: neoplasm. 3. One of the four signs of inflammation (t., calor, dolor, rubor) enunciated by Celsus. [L. t., a swelling] acinar cell t. a … Medical dictionary
Brown sign — blanching of the tympanic membrane and of the area behind it, seen with pneumatic pressure on the membrane; it indicates presence of a vascular tumor or other lesion in the middle ear … Medical dictionary
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