Author(s): Hashash JG, HolderMurray J, Aoun E, Yadav D
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Abstract The McKittrick-Wheelock syndrome, a rare disorder, is caused by fluid and electrolyte hypersecretion from a rectal tumour and patients can develop a depletion syndrome characterised by severe dehydration, hyponatraemia, hypokalaemia and metabolic acidosis. We present a case of a 62-year-old man who presented with chronic diarrhoea that had resulted in numerous previous hospital admissions. On physical exam, the patient showed signs of volume depletion. A soft polypoid mass was appreciated on digital rectal examination. Laboratory tests showed renal failure and significant electrolyte abnormalities. Colonoscopy revealed a large, friable mass in the rectosigmoid region. Biopsies were consistent with tubolovillous adenoma. Subsequently, the patient underwent surgical resection, which on pathology exhibited evidence of high-grade dysplasia, and the patient was diagnosed with McKittrick-Wheelock syndrome. It is essential to identify this condition in a timely manner as it is associated with high morbidity and complications, some of which may be life threatening.
This article was published in BMJ Case Rep
and referenced in Advancements in Genetic Engineering