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Inicio Cirugía Española (English Edition) Functional Adrenal Cortex Preservation: A Good Reason for Posterior Retroperiton...
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Functional Adrenal Cortex Preservation: A Good Reason for Posterior Retroperitoneal Endoscopic Approach
Preservación de corteza adrenal funcionante. Una buena razón para realizar un abordaje endoscópico retroperitoneal posterior
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Óscar Vidala,
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ovidal@clinic.cat

Corresponding author.
, Eduardo Delgado-Oliverb, Rafael Díaz del Gobbob, Felicia Hanzuc, Mattia Squarciad, Daniel Martíneze, David Fusterf, Constantino Fondevilaa
a Servicio de Cirugía General y Digestivo, Institut de Malalties Digestives i Metabòliques (IMDiM), Hospital Clínic, CIBERehd, IDIBAPS, Universidad de Barcelona, Barcelona, Spain
b Servicio de Cirugía General y Digestivo, Institut de Malalties Digestives i Metabòliques (IMDiM), Hospital Clínic, Universidad de Barcelona, Barcelona, Spain
c Servicio de Endocrinología y Nutrición, Institut de Malalties Digestives i Metabòliques (IMDiM), Hospital Clínic, CIBERDEM, IDIBAPS, Universidad de Barcelona, Barcelona, Spain
d Servicio de Radiodiagnóstico, Centre de Diagnòstic per la Imatge (CDI), Hospital Clínic, Barcelona, Spain
e Servicio de Anatomía patológica, Centre de Diagnòstic Biomèdic (CDB), Hospital Clínic, IDIBAPS, Barcelona, Spain
f Servicio de Medicina Nuclear, Centre de Diagnòstic per la Imatge (CDI), Hospital Clínic, IDIBAPS, Barcelona, Spain
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Received 27 February 2018. Accepted 19 April 2018
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Tables (4)
Table 1. Clinical Characteristics of the Patients Treated.
Table 2. Preoperative Characteristics in the Diagnosis of Pheochromocytoma.
Table 3. Intraoperative Characteristics of the Patients Treated.
Table 4. Postoperative Characteristics of the Patients Treated.
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Figures (1)
Abstract
Introduction

Cortical-sparing adrenalectomy is a suitable treatment for hereditary and sporadic bilateral pheochromocytoma, in cases of low risk of malignancy, to reduce the possibility of adrenal insufficiency assuming the chance of local recurrence. The aim of the study is to analyze the functional results of partial adrenalectomy by retroperitoneal endoscopic approach in single-adrenal patients or patients requiring bilateral adrenalectomy.

Methods

Prospective study between January 2015 and February 2016 including pheochromocytoma patients diagnosed with low risk of malignant mutations. All patients agreed to be included in the study. Experienced endocrine surgeons who have been trained in minimally invasive endocrine surgery performed the procedure using the same surgical technique. Demographic variables and clinical characteristics were collected, subsequently carrying out the descriptive analysis of the data.

Results

A total of 6 patients were registered, four associated with MEN type 2 syndrome and two in the context of VHL syndrome. Retroperitoneoscopic resection was performed without laparoscopic or open conversion and no postoperative complications; the average hospital stay was 2.5 days. Preservation of the functional cortex without corticosteroids was achieved in 5 (83%) of out 6 cases with a follow-up of 26.2±6 months. Today, these 5 patients have a preserved adrenal function without hormone replacement.

Conclusions

Cortical-sparing adrenalectomy by the retroperitoneal endoscopic approach, in expert hands, is safe and feasible for the treatment of hereditary and sporadic pheochromocytoma in a context of low malignancy, making it possible to avoid the need for corticoid replacement in most cases.

Keywords:
Partial adrenalectomy
Retroperitoneal endoscopic approach
Pheochromocytoma
Resumen
Introducción

La adrenalectomía con preservación cortical se indica como tratamiento del feocromocitoma bilateral hereditario y esporádico, en casos de bajo riesgo de malignidad, para reducir la posibilidad de insuficiencia suprarrenal asumiendo la eventualidad de una recidiva local. El objetivo del estudio es analizar los resultados funcionales de la adrenalectomía parcial por vía endoscópica retroperitoneal en pacientes monoadrenales o que necesiten una adrenalectomía bilateral.

Métodos

Entre enero de 2015 y febrero de 2016 se incluyeron de forma prospectiva pacientes con feocromocitoma asociado a mutaciones con bajo riesgo para malignidad, que aceptaron participar en el estudio. Todos fueron operados por cirujanos especialmente entrenados en este tipo de cirugía, utilizando la misma técnica quirúrgica. Se recogieron variables demográficas y características clínicas, realizando posteriormente el análisis descriptivo de dichas variables.

Resultados

Se registraron un total de 6 pacientes, cuatro asociados al síndrome MEN tipo 2 y dos en contexto del síndrome VHL. No fue precisa ninguna conversión a abordaje laparoscópico o abierto y tampoco complicaciones postoperatorias, la estancia hospitalaria media fue de 2,5 días. Se logró la preservación de corteza adrenal funcionante sin requerimiento corticoideo en 5 (83%) de 6 casos. Con un seguimiento medio de 26,2 ± 6 meses, estos 5 pacientes presentan una función adrenal conservada sin aporte hormonal sustitutivo.

Conclusiones

La adrenalectomía con preservación cortical por vía endoscópica retroperitoneal, en manos expertas, es segura y factible para el tratamiento del feocromocitoma hereditario y esporádico en contexto de baja malignidad, permitiendo evitar la necesidad de aporte corticoideo en la mayoría de los casos.

Palabras clave:
Adrenalectomía parcial
Abordaje endoscópico retroperitoneal
Feocromocitoma

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