Feohromotsytoma - hormone-active brain tumor layer of the adrenal gland, consisting of chromaffin cells secreting adrenaline and adrenalin substance. Pheochromocytoma is a smooth node, sometimes of considerable size, in the context of a yellowish-brown color with hemorrhages.
Clinical manifestations caused by excessive getting the blood catecholamines (see), secreted by tumor cells. Hyperfunction cerebral napochechnikov layer in feohromotsytome may be constant or intermittent, resulting in permanent or paroxysmal character of hypertension.
Malignant pheochromocytomas are rare.
The most characteristic clinical signs pheochromocytoma: suddenly arising hypertensive crises (with the sharp rise in blood pressure), accompanied by chills, skin pallor, cooling of the extremities, headache, tachycardia; the duration of the attack from a few minutes to many hours. If the disease attacks are becoming longer, sometimes hypertension can be permanent, without crises. Characteristic increase of base exchange, hyperglycemia.
Untreated pheochromocytoma causes severe damage to the body (the defeat of vessels of the kidney, brain, heart and other). The disease can be long, however, the prognosis is poor: in the time of crisis, death can occur.
Diagnosis of pheochromocytoma difficult, because the clinical picture is not always characteristic; the urinalysis and blood collected during the crisis, catecholamines, and x-ray examination with the introduction of oxygen in okolopochechnuyu fibre. Are also used samples from adrenolytic means a significant reduction of blood pressure on a background of the introduction of these funds confirms the presence of pheochromocytomas.
Treatment - removal of the tumor; during attacks - full peace, validol, valokordin, preparations of Valerian, adrenolytic means (regitine, tropafen).