Well-differentiated primary pleural liposarcoma

José F. Guerrero, Pneumology and Thoracic Surgery Service. Mexico City, Mexico
Thelma Rizo-Pica, Anatomic Pathology Service. Hospital General de México Dr. Eduardo Liceaga, Secretaría de Salud. Mexico City, Mexico
Javier M. Prado-Peredo, Anatomic Pathology Service. Hospital General de México Dr. Eduardo Liceaga, Secretaría de Salud. Mexico City, Mexico
Jorge A. Ramírez-Arce, Pneumology and Thoracic Surgery Service. Mexico City, Mexico
Romina Escobar-Paz, Pneumology and Thoracic Surgery Service. Mexico City, Mexico
Andrea Hernández-de la Torriente, Pneumology and Thoracic Surgery Service. Mexico City, Mexico
Yutzil M. Velázquez-Gachuz, Faculty of Higher Education Iztacala, Universidad Nacional Autónoma de México. Mexico City, Mexico
Alejandro Hernández-Solís, Pneumology and Thoracic Surgery Service. Mexico City, Mexico

Primary pleural liposarcoma is a rare, slow-growing tumor, representing < 10% of pleural tumors, originating from residual remains of primitive mesenchymal tissue. We present the case of a 61-year-old male patient with chest pain and rapidly progressive dyspnea, observing in the imaging studies a hypodense tumor in the left hemithorax with Hounsfield units of −30 to −130 fatty tissue range with dimensions of 29.5 × 16.1 × 21.9 cm. Excision surgery together with chemotherapy and radiotherapy is the therapeutic alternative that has reported the greatest benefit in these patients.

Keywords: Pleural liposarcoma. Mesenchymal tissue. Hypodense tumor.