Malignant mesenchymoma. Case report with electron microscopic study

A malignant tumor from the thigh of a 65‐year‐old man was examined by light and electron microscopy. The tumor was diagnosed by light microscopy as malignant mesenchymoma with prevalence of leiomyosarcomatous or liposarcomatous components, but electron microscopic study revealed that the basic cell...

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Bibliographic Details
Published in:Cancer 1975-09, Vol.36 (3), p.1086-1094
Main Authors: Klima, Marcella, Smith, Marilyn, Spjut, Harlan J., Root, E. N.
Format: Article
Language:English
Subjects:
Aged
Chondroblastoma - pathology
Humans
Leiomyosarcoma - pathology
Liposarcoma - pathology
Male
Mesenchymoma - pathology
Microscopy, Electron
Osteoma, Osteoid - pathology
Thigh
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Summary:A malignant tumor from the thigh of a 65‐year‐old man was examined by light and electron microscopy. The tumor was diagnosed by light microscopy as malignant mesenchymoma with prevalence of leiomyosarcomatous or liposarcomatous components, but electron microscopic study revealed that the basic cell was similar to chondroblastic or osteoblastic cells. However, a precise ultrastructural classification of the tumor cells was not possible, since the majority of the cells had mixed features. The histogenesis, differentiation, and relation to prognosis are discussed.
ISSN:0008-543X
1097-0142
DOI:10.1002/1097-0142(197509)36:3<1086::AID-CNCR2820360337>3.0.CO;2-A