Identifier: pathologysurgica1895senn (find matches)
Title: The pathology and surgical treatment of tumors
Year: 1895 (1890s)
Authors: Senn, Nicholas, 1844-1908
Subjects: Neoplasms Neoplasms Cancer Cancer
Publisher: Philadelphia : Saunders
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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SARCOMA. 537 oped endothelia. The round cells which compose the principal massof the new tissue are distinguished by their large nuclei containing anabundant supply of chromatin. A superficial examination reveals thepicture of an inflammatory process. A careful examination, however,shows that the cells are arranged in rows along the course of blood-vessels, which peculiar arrangement constitutes one of the most reliablediagnostic evidences of the character and variety of the tumor. Ifthese rows of cells are examined more carefully, it becomes evidentthat they are the product of connective-tissue proliferation. Veryfrequently short rows of four or five quadrangular cells are met with,densely packed, which are joined on the sides by triangular cells.The cells in such circumstances lose their round shape from mutualpressure. Round cells differ from spindle-cells in that the cell-seg-mentation by indirect division more speedily extends from the nucleusto the cell-proliferation. Mitotic fi

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