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A case of an intestinal obstruction at the terminal ileum is presented that underwent an ileocolic resection because of a critical stenosis of the intestine. The pathologist revealed abundant inflammatory cells together with deposits of calcium polystyrene crystals responsible of the intestinal obstruction. A rare cause of intestinal obstruction to bear in mind in chronically medicated patients with cation exchange resins.<\/jats:p>","DOI":"10.1093\/jscr\/rjae201","type":"journal-article","created":{"date-parts":[[2024,4,5]],"date-time":"2024-04-05T02:38:10Z","timestamp":1712284690000},"source":"Crossref","is-referenced-by-count":2,"title":["Pharmacological intestinal obstruction because of calcium polystyrene sulfonate administration"],"prefix":"10.1093","volume":"2024","author":[{"given":"Benjamin","family":"Thorpe","sequence":"first","affiliation":[{"name":"General Surgery Department , Hospital Clinico Universitario de Santiago de Compostela, Santiago de Compostela , Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Salustiano Gonzalez","family":"Vinagre","sequence":"additional","affiliation":[{"name":"General Surgery Department , Hospital Clinico Universitario de Santiago de Compostela, Santiago de Compostela , Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel","family":"Santos","sequence":"additional","affiliation":[{"name":"Anatomical Pathology Department , Hospital Clinico Universitario de Santiago de Compostela, Santiago de Compostela , Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Javier Caneiro","family":"Gomez","sequence":"additional","affiliation":[{"name":"Anatomical Pathology Department , Hospital Clinico Universitario de Santiago de Compostela, Santiago de Compostela , Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Manuel","family":"Bustamante Montalvo","sequence":"additional","affiliation":[{"name":"General Surgery Department , Hospital Clinico Universitario de Santiago de Compostela, Santiago de Compostela , Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2024,4,4]]},"reference":[{"key":"2024040502375695100_ref1","doi-asserted-by":"crossref","first-page":"1535","DOI":"10.1093\/eurheartj\/ehy100","article-title":"Serum potassium and adverse outcomes across the range of kidney function: a CDK prognosis consortium meta - 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