Most common bone involved in haemangioma?
Correct Answer: Veebrae
Description: Ans. is 'd' i.e., Veebrae Haemangioma This benign lesion, probably a hemaoma, is composed of vascular spaces lined by endothelial cells. They constitute 1-1.5% of all primary bone neoplasms. It has a peak incidence in the fifth decade (according to Maheshwari, young adults). About 50% of hemangiomas of bone occur in veebrae and are most commonly situated in lower thoracic and upper lumbar regions. Other common site of involvement (20%) is skull. Small bones of hands and feets may also be affected. Haemangioma of the veebra has a typical radiographic picture in the form of loss of horizontal striations and prominence of veebral striations. There is Polka dot appearance on CT. In the skull, hemangioma generally affects the calverium and is seen as an expansile lytic lesion which has a sunburst appearance with striation radiating from the centre. A hemangioma may be identified due to associated phlebolith and it may cause local gigantism of the invovled area. Hemangiomas are largely asymptomatic, and thus most are never discovered, leading some to describe these lesions as rare. Treatment is radiotherapy.
Category:
Surgery
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