Sigmoidorectal intussusception: an unusual rectal mass associated with hypokalemic metabolic alkalosis.
D000236:Adenoma / Q000175:diagnosis; D000471:Alkalosis / Q000150:complications*; D012809:Colon, Sigmoid / Q000601:surgery; D003108:Colonic Diseases / Q000150:complications / Q000175:diagnosis / Q000601:surgery; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007008:Hypokalemia / Q000150:complications*; D007443:Intussusception / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D008875:Middle Aged; D012002:Rectal Diseases / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D012004:Rectal Neoplasms / Q000175:diagnosis