Abstract: Mesenteric fibromatosis is a mesenchymal tissue-derived tumor with unclear etiology,low incidence,no specific performance,and difficulty in biopsy.Therefore,clinical qualitative diagnosis is difficult.This article describes a case of mesenteric fibromatosis misdiagnosed as a recurrence of rectal cancer,and through the literature review,to improve the clinician's understanding of the disease,thereby reducing misdiagnosis

Key words: Mesenteric fibromatosis, Recurrence, Clinical feature, Differential diagnosis