Question

A 32-year-old woman with chronic diarrhoea and weight loss has positive total IgA and markedly raised tissue transglutaminase (tTG) IgA. Next best test to confirm?

Accepted Answer

Small bowel biopsy via endoscopy

Answer

Stool calprotectin

Answer

IgG deamidated gliadin peptide (DGP) as first line

Answer

HLA typing only

Answer

CT abdomen

Practice question

A 32-year-old woman with chronic diarrhoea and weight loss has positive total IgA and markedly raised tissue transglutaminase (tTG) IgA. Next best test to confirm?