PubMed · 6602274
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R H Marshak, D Maklansky. The roentgenologic contribution.. https://pubmed.ncbi.nlm.nih.gov/6602274/
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The authors report a rare complication observed after transhiatal esophagus extirpation performed for esophageal cancer. In this case the transverse colon herniated into the pleural cavity through the esophageal hiatus. Herniation completed on the 6.th. postoperative day and caused mechanical ileus. In the first few postoperative days, radiology pointed to a basal pulmonal infiltrate, later it resembled relaxation of the diaphragm, which was rather misleading. Recognition of the real situation was possible only on the 6.th.postoperative day. The patient was reoperated and the pathological state could be reversed. The esophageal hiatus was reconstructed. In the opinion of the authors the complication may have developed partly due to the opening of the left pleural cavity in the course of extrathoracal esophagectomy, and partly to the fact that the spleen was removed during operation. The outcome after reoperation was uneventful. The authors consider this as a rather rare and instructive case.
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BACKGROUND: Sex steroid hormones influence function of the human gastrointestinal tract. Although the specific receptor proteins have been identified in surgical specimens of both intestinal mucosa and colorectal carcinomas, it is still unknown whether they are expressed in intestinal epithelial cells. METHODS: Expression of androgen receptor (AR) protein and estrogen receptor (ER) protein was studied by Scatchard analysis and ELISA (for ER only) in surgical specimens of normal-appearing mucosa, colorectal carcinomas, isolated colonocytes, and human colorectal carcinoma cell lines. Northern analysis was applied to identify the appropriate mRNAs, followed by the sensitive technique of reverse transcription-polymerase-chain-reaction (RT-PCR). RESULTS: AR protein was identified in all surgical specimens analyzed and ER protein in 10 out of 13 normal-appearing mucosa specimens and 4 out of 7 colorectal carcinomas. The receptor proteins were not found in isolated colonocytes or in the transformed cell lines. RT-PCR confirmed that none of the isolated normal colonocytes or transformed colorectal carcinoma-derived cells expressed these mRNAs. Intestinal smooth muscle cells and fibroblasts were found to express sex steroid receptor mRNAs. CONCLUSIONS: Both receptors are present in human large intestine but are expressed in stromal cells and not in intestinal epithelial cells. We hypothesize that sex steroids may influence the function of colonocytes indirectly through stromal-epithelial interactions.