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handle: 10400.17/704
Resumo: Introdução: O oncocitoma renal representa 5-7% das neoplasias primárias do rim, é diagnosticado em doentes assintomáticos e caracteriza-se por um comportamento benigno, sem invasão dos tecidos adjacentes ou metastização. O seu diagnóstico no decurso da gravidez é raro, havendo poucos casos descritos na literatura. Caso clínico: Os autores apresentam o caso de uma nulípara de 32 anos com hipertensão arterial de difícil controlo diagnosticada às sete semanas gestacionais com internamento às 24 semanas por quadro de hipertensão crónica agravada com pré-eclâmpsia sobreposta, edema agudo do pulmão e instabilidade hemodinâmica com necessidade de suporte ventilatório mecânico, restrição do crescimento fetal e morte fetal. O estudo etiológico do quadro hipertensivo efectuado no período pós-parto permitiu demonstrar a existencia de um tumor renal-oncocitoma. Conclusão: O comportamento clínico do oncocitoma renal permanece mal caracterizado durante a gravidez, podendo associar-se, apesar do seu comportamento teoricamente benigno, a um desfecho materno e fetal adverso. É fundamental excluir uma possível causa secundária nos quadros hipertensivos de difícil controlo. Abstract: Introduction: Renal oncocytoma accounts for 5-7% of primary renal neoplasms. It is usually diagnosed in asymptomatic patients and is characterized by a benign behavior without invasion of adjacent tissues or metastasis. Diagnosis during pregnancy is uncommon and to date there have been only a few cases reported in the literature. Case report: The authors present the case of a 32-year-old nulliparous woman with uncontrolled hypertension diagnosed at seven weeks gestation. She was referred to our institution at 24 weeks with superimposed pre-eclampsia complicated by acute pulmonary edema and hemodynamic instability requiring mechanical ventilatory support, fetal growth restriction and stillbirth. Etiological study of the hypertensive disorder performed in the postpartum period was consistent with renal oncocytoma. Conclusion: The clinical behavior of renal oncocytoma remains poorly characterized during pregnancy and may lead to an adverse maternal and fetal outcome despite its theoretically benign behavior. It is essential to exclude a possible secondary cause of hypertension in cases that are difficult to control. Palavras-chave: Oncocitoma renal, Gravidez, Patologia hipertensiva, Keywords: Renal oncocytoma, Pregnancy, Hypertensive disorder
Neoplasias Renais, RC666-701, Adenoma Oxifílico, Gravidez, Diseases of the circulatory (Cardiovascular) system, Complicações Neoplásicas na Gravidez, Oncocitoma Renal, Hipertensão Induzida pela Gravidez
Neoplasias Renais, RC666-701, Adenoma Oxifílico, Gravidez, Diseases of the circulatory (Cardiovascular) system, Complicações Neoplásicas na Gravidez, Oncocitoma Renal, Hipertensão Induzida pela Gravidez
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