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Celiac Disease Refractory to a Gluten-free Diet?

¹ Department of Pathology and ² Division of Gastroenterology and Hepatology, Department of Medicine, University of Virginia School of Medicine, Charlottesville, VA.

^aAddress correspondence to this author at the Department of Pathology, Box 800214, University of Virginia Medical School, Charlottesville, VA 22908; e-mail deb6j@virginia.edu.

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CASE DESCRIPTION

A 75-year-old woman from an outside hospital was referred because of continued signs and symptoms of celiac disease (gluten-sensitive enteropathy) that persisted despite self-reported adherence to a gluten-free diet. The patient reported excessive gas, bowel distension, a 15-pound weight loss over the past few years, insomnia, and a rash over her lower extremities. The patient had required hospitalizations, intravenous fluids, and continuing therapy with corticosteroids for 6 months.

A diagnosis of celiac disease had been made 6 years previously, based on (a) typical gastrointestinal signs and symptoms with negative stool cultures and Clostridium difficile toxin assay, (b) positive serology for celiac disease, (c) unremarkable colonoscopy with normal random biopsy results, and (d) small-bowel biopsy results showing evidence of villous blunting with increased chronic inflammatory cells. At that time, the patient’s laboratory results included antigliadin antibody (AGA) IgG 0.8 AU (<10 AU), anti-AGA IgA 1.1 AU (<5 AU), anti–tissue transglutaminase (tTG) IgA 9.2 AU (<4 AU), and normal total IgA and IgA antiendomysial antibody (EMA) values. A computed tomographic scan was negative for lymphoma, and an upper gastrointestinal series and small-bowel follow-through barium x-ray were normal. Endoscopic biopsy results obtained during the previous 2 years showed continued villous atrophy with intraepithelial lymphocytes. Shortly before the patient’s referral, repeat biopsies showed villous blunting with increased chronic inflammation, findings confirmed by a gastrointestinal pathologist at our institution.

The patient, a pleasant, frail-looking, elderly woman in no acute distress, was retired and married with 2 adult children. She denied smoking and alcohol use and had no family history of celiac disease, liver disease, or colon cancer. Her medical history was remarkable for placement of a carotid artery stent 5 years earlier. Physical examination was unremarkable except for the presence of a maculopapular rash inconsistent with dermatitis herpetiformis and with dependent distribution over the lower . . . [Full Text of this Article]

DISCUSSION

celiac disease
diagnosis of celiac disease
causes of failure to respond to treatment
tcr gene rearrangement
prognosis and treatment of type ii refractory celiac disease

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