metyrosine

[mĕ-ti´ro-sēn]

α-methyl-l-tyrosine, an inhibitor of catecholamine synthesis used to control hypertensive attacks in pheochromocytoma.

me·ty·ro·sine

(mĕ-tī'rō-sin, -sēn),

An inhibitor of tyrosine hydroxylase and therefore a powerful inhibitor of catecholamine synthesis; used for controlling the manifestations of pheochromocytoma, in preoperative preparation, or in instances where surgical resection is contraindicated or incomplete.

References in periodicals archive ?

After phenoxybenzamine blockade supplemented by metyrosine, the patient underwent robot-assisted laparoscopic partial right adrenalectomy.

Recurrent, bilateral, and metastatic pheochromocytoma in a young patient with Beckwith-Wiedemann syndrome: a genetic link?

Increase the values Tricyclic antidepressants Labetalol Levodopa Drugs containing catecholamines (e.g., decongestants) Amphetamines, buspirone, and most psychoactive agents Sotalol Methyldopa Withdrawal from clonide hydrochloride and other drugs Ethanol Benzodiazepines Decrease the values Metyrosine Methylglucaminea (a) A component of iodinated contrast media that may cause metanephrine values to be falsely normal for as long as 72 h when measured with Pisano's spectrophotometric method.

Maximizing efficacy of endocrine tests: importance of decision-focused testing strategies and appropriate patient preparation

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