Cancer of the stomach; a clinical study of 921 operatively and pathologically demonstrated cases . Fig. 7.—(Case No. 14,849).—Carcinoma involving the pylorus and lessercurvature. Extensive tumor of the meduUary-scirrhus type with smallareas_ of colloid degeneration. Enormous infiltration of stomach wall,pyloric obstruction; perigastric gland invasion. Patient had precarcinomat-ous history, clinically that of peptic ulcer. Specimen obtained atlaparotomy.—(Courtesy of Mayo Clinic.) egg-white, presents a water logged, translucent, jelly-likeappearance. It ulcerates rarely, spreads extensively, an
Cancer of the stomach; a clinical study of 921 operatively and pathologically demonstrated cases . Fig. 7.—(Case No. 14,849).—Carcinoma involving the pylorus and lessercurvature. Extensive tumor of the meduUary-scirrhus type with smallareas_ of colloid degeneration. Enormous infiltration of stomach wall,pyloric obstruction; perigastric gland invasion. Patient had precarcinomat-ous history, clinically that of peptic ulcer. Specimen obtained atlaparotomy.—(Courtesy of Mayo Clinic.) egg-white, presents a water logged, translucent, jelly-likeappearance. It ulcerates rarely, spreads extensively, andmay form metastases. It is the least frequent type ofgastric cancer (excluding sarcoma). 2. Histologic Deviations from the Normal.—While theabove macroscopic classification of gastric cancer is a prac-tical clinical grouping, it must not be supposed that the MORBID AXATOMY 59. Fig. 8.—(Case Xo. 14,727).—Extensive primary carcinoma of the medul-lar j^-scirrhus type involving pyloric half of stomach; enormous thickeningof stomach wall; pyloric obstruction; small gastric lumen (leather-bottletype); perigastric gland involvement. Specimen obtained at laparotomy.—(Courtesy of Mayo Clinic.) 60 CANCER OF THE STOMACH
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