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Case Reports
. 1976 Mar;37(3):1546-55.
doi: 10.1002/1097-0142(197603)37:3<1546::aid-cncr2820370344>3.0.co;2-i.

Pseudosarcoma and carcinosarcoma of the esophagus

T Matsusaka, H Watanabe, M Enjoji
Case Reports

Pseudosarcoma and carcinosarcoma of the esophagus

T Matsusaka et al. Cancer. 1976 Mar.

Abstract

Two cases of polypoid carcinoma with pseudosarcoma and one of so-called carcinosarcoma of the esophagus are presented. The clinical and morphologic characteristics of these tumors are described and the literature is reviewed. It is postulated that pseudosarcomas and so-called carcinosarcomas belong essentially to the same pathologic entity because of their similar morphologic and biologic aspects. The histogenesis of the sarcoma-like elements of these tumors support the theory of epithelial origin on the basis of the sarcoma-like transformation of squamous cell carcinoma and of the presence of epithelial elements in the "sarcomatous" areas.

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