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FEOCROMOCITOMA E NEUROFIBROMATOSE 1

Authors: Rui Tavares-Bello; Mafalda Marcelino; Ema L. Nobre; Luís Lopes; Carlos Lopes; João Jácome de Castro;

FEOCROMOCITOMA E NEUROFIBROMATOSE 1

Abstract

Introdução: Feocromocitomas são tumores originários de células cromafins do sistema simpato-adrenal. As suas manifestações clínicas são múltiplas e diversificadas, função do perfil secretório variável de múltiplos compostos, incluindo catecolaminas, neuropéptidos e outros compostos vasoactivos. A Neurofibromatose 1 (D de von Recklinghausen), a mais prevalente das variantes das neurofibromatoses, é genodermatose transmitida segundo padrão mendeliano autossómico dominante. O diagnóstico de NF1 assenta em critérios diagnósticos, entre os quais as alterações cutâneas, oculares e esqueléticas são as mais relevantes, embora múltiplas neoplasias envolvendo diversos orgãos e sistemas não possam ser esquecidas ou sub-valorizadas já que é bem conhecido que o produto genético do gene alterado da NF1 – a neurofibromina – é uma proteina de supressão tumoral. Feocromocitomas ocorrem em menos de 1% dos doentes com NF1; por outro lado, apenas 5% dos casos reportados de feocromocitoma estão associados com a NF I. No entanto, entre doentes hipertensos com NF1, a prevalência de feocromocitoma pode atingir os 50%.Caso clínico: É relatado caso de eurocaucasiana de 27 A de idade, com diagnóstico de NF1 com história de 4 meses de cólicas abdominais, hiperhidrose generalizada, dispneia e hipertensão arterial paroxística. As catecolaminas e metanefrinas urinárias estavam aumentadas e a exploração topográfica levada a cabo (RMN e I-MIBG) permitiram detectar uma massa na glândula suprarrenal direita, a qual, após adrenalectomia confirmou o diagnóstico de feocromocitoma. Conclusão: O caso apresentado enfatiza a necessidade de uma abordagem multissistémica, multidisciplinar a doentes com NF1, tendo em conta as manifestações sistémicas associadas, na base de um prognóstico por vezes fechado da doença.

Related Organizations
Keywords

Feocromocitoma, Neurofibromatose de von Recklinghauses, Hiperidrose generalizada, RL1-803, Neurofibromatose 1, Hipertensão arterial, Dermatology, Infectious and parasitic diseases, RC109-216

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
Published in a Diamond OA journal