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The pleura is a vital part of the respiratory system. It's a double-layered membrane surrounding the lungs and lining the chest cavity. The two layers of the pleura are:
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Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
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The lungs are nestled in a cavity, shielded by the pleura. The pleura, a form of serous membrane, wraps around each lung. This membrane arrangement consists of two layers: the visceral and parietal pleurae. The visceral pleura lines the surface of the lungIn contrast, the parietal pleura is the outer layer and contacts to the thoracic wall, the mediastinum, and the diaphragm. The hilum is the point of connection between the visceral and parietal layers. The space between the parietal and...
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Nódulos pulmonares benignos vs. malignos: riesgos y predictores de adherencias pleurales

Jiaheng Zhang1, Keyue Qiu1, Hang Chen1

  • 1Department of Thoracic Surgery, The Affiliated Lihuili Hospital of Ningbo University, Ningbo, Zhejiang, China.

Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico
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Los nódulos pulmonares benignos se correlacionan con adherencias pleurales más localizadas, mientras que los nódulos malignos muestran adherencias más extensas. La edad y el fibrinógeno son predictores clave para evaluar el riesgo quirúrgico.

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Adherencias pleuralesNódulos pulmonaresEstudio retrospectivoFactores de riesgoCirugía torácica

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Área de la Ciencia:

  • Medicina Pulmonar
  • Cirugía Torácica
  • Patología

Sus antecedentes:

  • La diferenciación de la patología de los nódulos pulmonares es compleja.
  • Las adherencias pleurales pueden complicar las cirugías torácicas.
  • La relación entre las características de los nódulos y las adherencias pleurales requiere investigación.

Objetivo del estudio:

  • Investigar la correlación entre la patología de los nódulos pulmonares y la presencia/extensión de adherencias pleurales.
  • Identificar los factores que influyen en las adherencias pleurales en pacientes sometidos a resección de nódulos pulmonares.
  • Desarrollar modelos predictivos para el riesgo de adherencias pleurales.

Principales métodos:

  • Análisis retrospectivo de 539 pacientes con nódulos pulmonares resecados quirúrgicamente.
  • Clasificación estandarizada de adherencias pleurales.
  • Análisis univariante y multivariante para identificar factores influyentes.
  • Construcción de modelos de predicción y un nomograma.

Principales resultados:

  • Los nódulos benignos se asociaron con una mayor tasa de adherencias localizadas (54,8 % frente al 17,6 %).
  • Los nódulos malignos mostraron una mayor tasa de adherencias extensas (7,2 % frente al 1,6 %).
  • Los factores predictivos independientes incluyeron la edad, la patología de nódulos benignos y los niveles preoperatorios de fibrinógeno.
  • Solo el fibrinógeno (AUC=0,907) y un modelo combinado (AUC=0,894) demostraron un excelente rendimiento predictivo.

Conclusiones:

  • Los nódulos benignos se asocian con mayor frecuencia con adherencias pleurales, pero los nódulos malignos provocan adherencias más extensas.
  • La edad del paciente y los niveles preoperatorios de fibrinógeno son factores de riesgo significativos para las adherencias pleurales.
  • El fibrinógeno sirve como un biomarcador confiable y el nomograma desarrollado puede ayudar en la evaluación individualizada del riesgo preoperatorio de adherencias pleurales.