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| Institut für Pathologie - Klinikum Fürth | |
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Case #12
Clinical data: 50 year old man with carcinoma of the gastric cardia. Is the resection margin free of tumor? Frozen section diagnosis: Lymphatic invasion of tumor cells on the resection surface of the esophagus. PAS reaction. Pathology and comment: We always recommend the histological examination of esophageal resection margin if a signet ring cell carcinoma of the cardia is known or in all esophageal carcinomas independently of the macroscopical distance to the resection margin. Both tumor can spread in the submucosa or in lymphatics. This infiltration is macroscopically not or only seldom to recognize.
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