Abstract
Inflammatory myofibroblastic tumours (IMT) are unusual benign tumours, also known as inflammatory pseudotumours, represent a group of fibro-inflammatory lesions of recent individualization. They are mesenchymal tumours of intermediate class, very rare and of unknown etiology. They are initially described in the lungs, but have been observed in several other locations, mainly abdominal and pelvic. Its location in the colon is exceptional. The evolutionary doubt of these tumours requires regular and long term follow-up. We report the case of a 30-year-old patient who presented with a stenosing caecal mass. After surgical removal, histological and immunohistochemical examination was in favor of a colonic (IMT). The clinical, radiological and histological characteristics of this anatomoclinical entity will be discussed in light of the data in the literature.
Highlights
Inflammatory myofibroblastic tumours (IMT), known as inflammatory pseudotumours, represent a group of fibro-inflammatory lesions of recent individualization
The patient was 30 years old, with no particular history and had been presenting for four months with pain in the right iliac fossa without any notion of vomiting or digestive haemorrhages. He was apyretic, the abdominal examination found a palpable mass in the right iliac fossa which was not well limited, fixed and slightly painful, without hepatosplenomegaly, without ascites, without palpable adenopathy and the rectal examination was normal, all of which evolved in a preserved general state
IMT were first described by Brunn in 1937 as a primary lung tumour, consisting of a proliferation of fibroblastic and myofibroblastic cell infiltrates [1]; multiple extrapulmonary manifestations have been reported [2, 3]
Summary
Inflammatory myofibroblastic tumours (IMT), known as inflammatory pseudotumours, represent a group of fibro-inflammatory lesions of recent individualization. They are mesenchymal tumours of intermediate class, very rare and of unknown etiology. Described in the lung, they have been reported in most organs and anatomical sites [1,2,3]. Their localization in the colon is extremely rare. We report the observation of a 30-year-old patient with colonic (IMT)
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