A pathologically proved case of carcinosarcoma of the left lung(mixed form), in a
58-year-old, is reperted, with discussion of the histopathological features of this case,
along with a review on histogenesis of the carcinosarcoma of the lung. The
carcinosarcima is composed of squamous epithelial and mesenchymal components, both
of which revealed malignant histological evidence. The stromal components are unique in
that disclosed cartwheel whorl patters, along wiht the resemblance to the malgnant
fibrous histiocytoma. The stroma also showed oteoid matrix, in areas. This is the
second case of the carcinosarcoma reported in Korea.
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