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WHO Classification of Tumours
Sarcoma, NOS
Bronchus and lung


Definition

Sarcomas of the large pulmonary arteries occur in two types. (1) Intimal sarcomas have an intraluminal polypoid growth pattern and usually show fibroblastic or myofibroblastic differentiation. (2) Mural sarcomas are are classified according to the histologic subtype, leiomyosarcomas being most frequent
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Travis WD, Brambilla E, Müller-Hermelink HK, Harris CC (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart.
3rd Edition
IARC Press: Lyon 2004



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Pulmonary vein sarcomas almost always shows features of leiomyosarcoma

Click for details
Travis WD, Brambilla E, Müller-Hermelink HK, Harris CC (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart.
3rd Edition
IARC Press: Lyon 2004



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