The pathology and surgical treatment of tumors . Fig. 189.—Acinous carcinoma of mammary gland; X no, reduced one-third (Surgical Clinic, RushMedical College, Chicago): a, connective-tissue stroma; b, tumor-parenchyma; c, blood-vessels in stroma;d, wandering carcinoma-cells ; e, area where recent hemorrhage has occurred ; f, blood-pigment; g, shrink-age in hardening. Histological Varieties.—The histological structure of a carcinoma ofthe mammary gland depends on the type of cells of which it is com-. FiG. 190.—Alveolar carcinoma of breast (after Konig): a, alveoli filled with epithelial cells ;

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The pathology and surgical treatment of tumors . Fig. 189.—Acinous carcinoma of mammary gland; X no, reduced one-third (Surgical Clinic, RushMedical College, Chicago): a, connective-tissue stroma; b, tumor-parenchyma; c, blood-vessels in stroma;d, wandering carcinoma-cells ; e, area where recent hemorrhage has occurred ; f, blood-pigment; g, shrink-age in hardening. Histological Varieties.—The histological structure of a carcinoma ofthe mammary gland depends on the type of cells of which it is com-. FiG. 190.—Alveolar carcinoma of breast (after Konig): a, alveoli filled with epithelial cells ; b, empty alve-oli ; c, stroma infiltrated in places by small round cells. 302 PATHOLOGY AND TREATMENT OF TUMORS. posed and the amount and arrangement of its stroma. The embryonicmatrix from which it develops is always derived from the epiblast, but

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectneoplas, bookyear1895