
ResumoUma mulher de 68 anos foi submetida a uma ressecção de um linfoangioendotelioma mediastinal observado na monitorização de uma lobectomia inferior esquerda devido a bronquiectasia, complicada por quilotórax. Isto levou a uma reavaliação do espécime pulmonar que revelou, além da bronquiectasia inflamatória, nódulos de pequenas células fusiformes no parênquima pulmonar, semelhantes a nódulos pulmonares de tipo meningotelial, mas com positividade imunohistoquímica para actina do músculo liso. A hipótese de desenvolvimento inicial de linfangioleiomiomatose pulmonar é discutida.AbstractA 68 year old woman was submitted to a mediastinal lymphangioleiomyoma resection found in a follow-up study of lower left lung resection due to bronchiectasis complicated by chylothorax. This led to a revaluation of the pulmonary specimen that revealed, in addition to inflammatory bronchiectasis, small spindle cell nodules in the lung parenchyma, similar to minute pulmonary meningothelial-like nodules, but with smooth muscle actin immunohistochemical positivity. The possibility of initial pulmonary development of lymphangioleiomyomatosis is discussed.
Pulmonary and Respiratory Medicine, Diseases of the respiratory system, Linfangioleiomiomatose, Mediastinal, RC705-779, Linfangioleiomioma, Lymphangioleiomyomatosis, Lymphangioleiomyoma
Pulmonary and Respiratory Medicine, Diseases of the respiratory system, Linfangioleiomiomatose, Mediastinal, RC705-779, Linfangioleiomioma, Lymphangioleiomyomatosis, Lymphangioleiomyoma
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