Modern surgery, general and operative . ^ growth weretransported from the primary growth and multiply in their new instance, the cells of a primary carcinoma of the liver may secrete bile,and the cells of a metatastic area may do the same. Fiitterer has reported acase of carcinoma of the thyroid the pulmonary metastases of which secretedcolloid. Stewart reported a case of cancer of the lungs and liver secondaryto cancer of the pancreas. The secondary growths were of a structure similarto the pancreas and contained tn,q3sin. Metastases from a columnar-celledrectal cancer are compo
Modern surgery, general and operative . ^ growth weretransported from the primary growth and multiply in their new instance, the cells of a primary carcinoma of the liver may secrete bile,and the cells of a metatastic area may do the same. Fiitterer has reported acase of carcinoma of the thyroid the pulmonary metastases of which secretedcolloid. Stewart reported a case of cancer of the lungs and liver secondaryto cancer of the pancreas. The secondary growths were of a structure similarto the pancreas and contained tn,q3sin. Metastases from a columnar-celledrectal cancer are composed of columnar cells. Metastases from a squamous-celled epithelioma are composed of squamous cells. In rare cases metastasisof carcinoma of the stomach has occurred in the rectum. Schnitzler reportedII cases (Mitth. a. d. Grenzgeb. der Med. u. Chir., 1908, xix, No. 2).. Fig. 178.—Secondary carcinoma of thesubmental and submajdllary lymphaticglands following carcinoma of the hp (Senn). Malignant Epithelial Tumors, Carcinomata, or Cancers 383 Such a condition is probably due to implantation. Contact cancer has alreadybeen referred to (see page 349). We often speak of lymph-nodes enlargingwhen affected with cancer. The enlargement certainly occurs, but is not dueto growth of the cells of the l\Tnph-node. It results from multiplication of thecarcinoma cells deposited in the gland. As Henry Morris says (The Brad-shaw Lecture, Lancet, Dec. 12, 1903), the parenchyma of the involvedpart does not undergo transition into cancer. After the growth of epitheliumhas lasted for a length of time the patient becomes poisoned by materialsabsorbed from the seat of disease, and finally dies from cachexia and exhaustionor some complication. These materials are probably enz3rmes. During theprogress of cancer irregular fever may arise from time to time (see page 351).Can
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