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Table 1 Various clinical conditions can present in a similar way to pseudopheochromocytoma

From: Pseudopheochromocytoma induced by anxiolytic withdrawal

Endocrine

Hyperthyroidism, carcinoid, mastocytosis, hypoglycemia, insulinoma, menopausal syndrome, adrenal medullary hyperplasia, reninoma

Pharmacologic

Tricyclic antidepressants, monoamine oxidase inhibitors, cocaine, alcohol withdrawal, abrupt clonidine withdrawal

Cardiovascular

Ischemic heart disease, arrhythmias, baroreflex failure, renovascular disease, postural orthostatic tachycardia syndrome

Neurologic

Migraine headache, cluster headache, stroke, diencephalic autonomic epilepsy, meningioma

Other

Preeclampsia or eclampsia, obstructive sleep apnea, anxiety or panic attacks, acute intermittent porphyria, recurrent idiopathic anaphylaxis