Canadian Medical Guide > Diseases > Neoplasms > Neoplasms by Histologic Type > Neoplasms, Vascular Tissue > Hemangioma > Hemangioma, Cavernous Terms and Definitions




Hemangioma, Cavernous

Medical Definition: A vascular tumor preponderantly composed of large dilated blood vessels, often containing large amounts of blood, occurring in the skin, subcutaneously, or both, and also in many viscera, particularly the liver, spleen, pancreas, and sometimes the brain. The typical superficial lesions are bright to dark red in color; deep lesions have a blue color. A cavernous hemangioma in the skin extends more deeply than a capillary hemangioma and is less likely to regress spontaneously. (Dorland, 27th ed; from Stedman, 25th ed)
Guide Notes: /blood supply /chem /secret /ultrastruct permitted; coord IM with precoord organ/neopl term (IM)
Hemangioma, Cavernous Categories.
Canadian Medical Guide Definition Hemangioma, Cavernous, Central Nervous System - A vascular malformation composed of clusters of large, thin walled veins lacking intervening nervous tissue. They are most common in the BRAIN STEM but may also occur in the cerebral hemispheres, diencephalon, cerebellum, and spinal cord. The lesions have a tendency to rupture and cause a variety of clinical deficits (e.g., SEIZURES; hemiparesis) that depend upon the location of the hemorrhage. (From Adams et al., Principles of Neurology, 6th ed, pp851-2)

Hemangioma, Cavernous Medical Definitions and Terms

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