نتایج جستجو برای: refractory pheochromocytoma
تعداد نتایج: 63134 فیلتر نتایج به سال:
This case report describes a rare cause of refractory ventricular fibrillation which was identified as a clinical manifestation of pheochromocytoma. It illustrates the pitfalls of diagnostics and surgical treatment of pheochromocytoma and the dilemma whether to implant in such patient an implantable cardioverter-defibrillator (ICD). Although the cause of cardiac arrest accompanying pheochromocy...
BACKGROUND Pheochromocytoma, a rare catecholamine-producing tumor, might provoke stress-induced Takotsubo-like cardiomyopathy and severe cardiogenic shock. Because venoarterial-extracorporeal membrane oxygenation (VA-ECMO) rescue of pheochromocytoma-induced refractory cardiogenic shock has rarely been reported, we reviewed our ICU patients' presentations and outcomes. METHODS All pheochromocy...
Objective(s): Single-photon emission computed tomography (SPECT) using metaiodobenzylguanidine (MIBG) is an important diagnostic tool for the treatment of refractory pheochromocytoma and paraganglioma (PPGL). Owing to the difficulty of SPECT quantification, the tumour-to-background ratio (TBR) is used to assess disease activity. However, the utility of TBR is limited o...
The dramatic presentation of pheochromocytoma in crisis is uncommon and is classically associated with a state of hemodynamic and sympathetic hyperactivity. The case of a 35-year-old man with an occult pheochromocytoma presenting with hypotension and cardiogenic shock shortly after beginning imipramine therapy is presented. Retrospectively, there was a history of emergency department, inpatient...
Defective apoptotic program due to the overexpression of the anti-apoptotic Bcl-2 protein of the outer mitochondrial membrane may be a cause of the poor response of malignant pheochromocytoma to 131I-MIBG therapy. We report a case of malignant pheochromocytoma which showed early intense uptake and immediate rapid washout of 99mTc-tetrofosmin characterizing the overexpression of anti-apoptotic B...
Background: An elevated plasma noradrenaline level is a consistent clinical effect of clozapine, which is due to its potent effect on α2-adrenergic receptors. Clozapine, a tricyclic dibenzodiazepine derivative, is used to treat refractory schizophrenia. In this report we present a case of pseudopheochromocytoma in a schizophrenic patient treated with clozapine. Case: A 55-year-old female diagno...
A 34-year-old 13-week pregnant woman presented with hypertension refractory to medical therapy and on workup was found to have a right adrenal mass. Due to her persistent increased blood pressure she was advised urinary vanillylmandelic acid (VMA) and its level was raised. MRI of the abdomen showed a well-circumcised lesion in the right adrenal of 3.0×2.5 cm suggestive of pheochromocytoma. The ...
Extracorporeal membrane oxygenation (ECMO) has been repeatedly used to rescue patients with cardiopulmonary arrest. However, its clinical utility in endocrine emergencies remains unclear. Herein, we describe a case series of 12 patients presenting with refractory shock secondary to endocrine emergencies who were rescued by ECMO support. Patients were identified between 2005 and 2012 from our EC...
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