A rare lymphoproliferative disorder associated with immunomodulating therapy in Crohn's disease.

Lymphomatoid granulomatosis is a rare lymphoproliferative disorder associated with immunosuppressive therapy in inflammatory bowel disease. We present the case of a patient with Crohn's disease and treated azathioprine that develops lymphomatoid granulomatosis, as well as its diagnostic process and the chosen treatment. Lymphomatoid granulomatosis is a serious disease barely described and whose suspicion is essential for its prognosis.