Diseases

Diseases

Industry: Health care

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Diseases

central nervous system cavernous hemangioma

Health care; Diseases

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, ...

A vascular malformation of developmental origin characterized pathologically by ectasia of superficial dermal capillaries, and clinically by persistent macular erythema. In the past, port wine stains ...

urticaria

Health care; Diseases

A vascular reaction of the skin characterized by erythema and wheal formation due to localized increase of vascular permeability. The causative mechanism may be allergy, infection, or stress.

cavernous hemangioma

Health care; Diseases

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, ...

angiokeratoma

Health care; Diseases

A vascular, horny neoplasm of the skin characterized by telangiectasis and secondary epithelial changes including acanthosis and hyperkeratosis.

shwartzman phenomenon

Health care; Diseases

A vasculitis, local or systemic, caused by a two-stage reaction in which a first encounter with endotoxin produces intravascular fibrin thrombi whose clearance results in reticuloendothelial blockade ...

torsades de pointes

Health care; Diseases

A ventricular tachycardia characterized by periodic twisting of the points of the QRS complexes and rates between 200 and 250 beats per minute. It may be self-limited or may progress to ventricular ...