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Are complicated forms of celiac disease cryptic T-cell lymphomas?
F Carbonnel1, L Grollet-Bioul, J C Brouet
1Service de Gastroentérologie et Nutrition and the Laboratoire d'Anatomopathologie, Hôpital Rothschild, Paris, France.
Blood
|November 10, 1998
Summary
Complicated celiac disease may be a cryptic T-cell lymphoma. Analysis of T-cell receptor gene rearrangements in duodenal biopsies revealed major clonal rearrangements in complicated cases, suggesting potential malignancy.
Area of Science:
- Gastroenterology
- Immunology
- Oncology
Background:
- Celiac disease involves small intestinal inflammation triggered by gluten.
- Assessing T-cell clonality in the duodenal mucosa can help differentiate celiac disease subtypes and identify potential complications.
Observation:
- T-cell receptor gamma (TCRgamma) gene rearrangements were analyzed in duodenal biopsies from celiac disease patients and controls.
- Major clonal TCR rearrangements were detected in 4 patients with complicated celiac disease, suggesting T-cell lymphoma.
Findings:
- Monoclonality was confirmed in complicated celiac disease cases, with some evolving into lymphoma.
- Responsive celiac disease predominantly showed polyclonal T-cell patterns, while controls had oligoclonal patterns.
- Identical T-cell clones were found in the gut and peripheral blood in a lymphoma patient.
Implications:
- Complicated celiac disease may represent an early, cryptic T-cell lymphoma.
- This finding highlights the importance of monitoring T-cell clonality in refractory or complicated celiac disease cases.
- Further research is needed to understand the progression from celiac disease to T-cell lymphoma.