Increased risk for specific malignancies in CD should alert physicians for EATL (both intestinal and extraintestinal) and small bowel adenocarcinoma in patients with CD diagnosed at age ≥ 50 years.
The association between celiac disease (CD) and the development of lymphoid and gastrointestinal (GI) malignancies have been reported. However, data are scarce yet needed to develop evidence-based follow-up programs.
A case-control design to determine RR was performed with cases (lymphoma or GI carcinoma) and controls (melanoma or basal cell carcinoma) diagnosed 1994-2014, retrieved from the Dutch nationwide population-based pathology database (PALGA). Within this population, individuals with histologically proven CD before or simultaneously diagnosed with the malignancy were identified.
A total of 349/301,425 cases (0.1%) and 282/576,971 (0.05%) controls were diagnosed with CD. Risk of T-cell lymphoma, predominantly enteropathy-associated T-cell lymphoma (EATL), was strongly associated with CD diagnosis (RR = 35.8 (95% CI 27.1-47.4)). Although most often synchronously diagnosed, T-cell lymphoma RR ≥ 1 year after CD diagnosis was still elevated (RR = 12.7 (95% CI 7.6-21.3)). Other CD-associated malignancies were small bowel adenocarcinoma (RR = 11.9 (95% CI 8.2-17.2)) and esophageal squamous cell carcinoma (RR = 3.5 (95% CI 2.1-5.8)). Absolute risks were relatively low. Other types of lymphomas and GI carcinomas were not associated with CD.
The objective of this article is to assess relative (RR) and absolute risks of lymphoma and GI carcinoma for newly diagnosed patients.
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