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Archives of dermatological research

Neurofibromatosis type 1 (NF1) and pheochromocytoma: prevalence, clinical and cardiovascular aspects.


PMID 21042801

Abstract

The aim of the study was to evaluate the prevalence of pheochromocytoma (PHEO) in patients with neurofibromatosis type 1 (NF1), and to analyze the behavior of some anthropometric and cardiovascular parameters. In 48 consecutive NF1 patients, urinary metanephrines and vanillylmandelic acid excretion were assessed. The body mass index (BMI), waist circumference (WC), ambulatory blood pressure monitoring (ABPM), echocardiography and ultrasound carotid arterial wall evaluation were performed. In NF1 patients, 11 (29.3%) had arterial hypertension, 7 (14.6%) had a PHEO. Four (57%) NF1 patients with PHEO were symptomatic at the diagnosis. In PHEO-NF1 patients, we revealed a lower BMI and WC values with respect to NF1 patients without PHEO and normal subjects (NSs) (pxa0

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