نتایج جستجو برای: pheochromocytoma
تعداد نتایج: 5417 فیلتر نتایج به سال:
Pheochromocytoma is a neoplasia of chromaffin cells that is very rare in children. Its signs and symptoms result from the release of catecholamines. We report the case of a child with pheochromocytoma of difficult clinical management, confirmed on the anatomicopathological study, and cured after surgical resection.
Pheochromocytoma of the urinary bladder is rare, presenting usually with hypertension, hematuria and syncopal attacks. Such cases have usually been managed with open or laparoscopic partial cystectomy. We present a case of bladder pheochromocytoma that had unusual presenting symptoms, a paraneoplastic manifestation and was successfully managed with robotic technique.
Pheochromocytomas are rare neuroendocrine tumours of chromaffin tissues. They are catecholamine secreting tumours which cause severe hypertension and other systemic disturbances. Of all the causes of childhood hypertension, pheochromocytoma constitutes less than 1%. We report the case of a 12 years old child who presented with hypertensive encephalopathy, confirmed histologically to be secondar...
The acute intraoperative hypertension and tachycardia caused by an undiagnosed pheochromocytoma is a rare event for the anesthesia provider. If treatment is not prompt and successful, permanent and possibly lethal complications can ensue. This article reports what the author believes to be the first case study in which clevidipine (Cleviprex) was successfully used to treat a suspected, and late...
BACKGROUND: This study investigated clinical features, management, and outcome of pheochromocytoma and paraganglioma in children and adults. METHODS: Data of 15 patients with histologically confirmed pheochromocytoma or paraganglioma from 2002 to 2010 obtained from the China Medical University Hospital database were retrospectively
Two motives have combined to make me write a paper on headache in patients with pheochromocytoma. First, I would like to contribute to the clinical practices of both endocrinological clinicians who are working with patients with pheochromocytoma and neurologists who are performing headache consultations by elucidating the clinical characteristics of headache in patients with pheochromocytoma. S...
BACKGROUND During surgical treatment of pheochromocytoma,`haemodynamic instability may occur. To prevent this, patients receive preoperative treatment with an alpha-blocker. Nowadays, some centres use phenoxybenzamine, while others use doxazosin. The purpose of this review is to analyse the current evidence of the benefits and risks of phenoxybenzamine and doxazosin in the preoperative treatmen...
Pheochromocytoma is a rare catecholamine-secreting tumor derived from chromaffin cells. The diagnosis is usually suggested by classic history in a symptomatic patient, presence of a strong family history in a patient, or discovery of an incidental mass on imaging in an asymptomatic patient. Traumatic hemorrhage into an occult pheochromocytoma presenting as hypovolemic shock is a rare presentati...
Two sets of studies were performed in 13 patients with proved adrenal pheochromocytoma to test the hypothesis that the sympathetic nervous system (SNS) is active and might contribute to the hypertensive state. Similar studies were performed in 15 additional patients considered to have essential hypertension. In the first set, 13 patients with pheochromocytoma were subjected to head-up tilt to a...
Pheochromocytomas are rare chromaffin cell tumors that nevertheless must be excluded in large numbers of patients who develop sustained or episodic hypertension as well as in many others with suggestive symptoms or with a familial history of pheochromocytoma. Diagnosis of pheochromocytoma depends importantly on biochemical evidence of excess catecholamine production by a tumor. Imperfect sensit...
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