Modern surgery, general and operative . ncer contains a material in its plasma which is an excitantfor the leukocytes of healthy persons. As previously stated (see page 384) theserum of the blood of a person with cancer contains agents destructive to thered corpuscles of healthy blood. Classification of Carcinomata.—Carcinomata are classified as follows:(i) Epithelioma; (2) rodent ulcer, or Jacobs ulcer; (3) spheroidal-celledcancer; (a) schirrous; (b) encephaloid; (c) colloid, and (4) cylindrical-celledcancer. Clinically, we speak of cuirass cancer, a condition sometimes arisingwhen the mammar
Modern surgery, general and operative . ncer contains a material in its plasma which is an excitantfor the leukocytes of healthy persons. As previously stated (see page 384) theserum of the blood of a person with cancer contains agents destructive to thered corpuscles of healthy blood. Classification of Carcinomata.—Carcinomata are classified as follows:(i) Epithelioma; (2) rodent ulcer, or Jacobs ulcer; (3) spheroidal-celledcancer; (a) schirrous; (b) encephaloid; (c) colloid, and (4) cylindrical-celledcancer. Clinically, we speak of cuirass cancer, a condition sometimes arisingwhen the mammary gland is cancerous and due to the infiltration of thecutaneous lymphatics with cancer cells; chimney-sweeps cancer and paraffinworkers cancer, if either of these occupations seems to have been causative;cancer a deux, a phrase used in France to signify that carcinoma has occurredin two persons of a household who are not blood relations, but have been inclose contact; contact cancer, when cancer appears in an area which was in close. Fig. 181.—Carcinoma of the auricle. Classitication of Carcinomata 391 contact with a cancerous area in the same or in another individual—for in-stance, when a cancer of the upper Up follows a malignant growth of the lowerlip; when a carcinoma of the face follows a like growth of the hand; when acancer appears on the penis of a husband whose wife has cancer of cer\Lx uterior vagina. A melanotic carcifwma is a form of encephaloid in which the cellscontain melanin. Scirrhous cancer contains much fibrous tissue and is denselyhard. An encephaloid is ver\- soft or brain-like. MarjoUns ulcer is an epi-thehoma which arises from the epithelial edge of a chronic ulcer, a scar, or asinus (see page 159). Figures $>2, S3. 84. and S5 show a ]\Iarjolin ulcer arisingin the scar of a burn. Epitheliomata.—^An epithehoma arises from surface epithelium, and mayarise from squamous cells or cylmdrical cells, accorduig to the location. Squamous-celled epithel
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectsurgery
