Intraperitoneal Inflammatory Myofibroblastic Tumour: A Rare Intermediate Tumour of Paediatric Age Group This case report highlighted a 9 month old child with failure to thrive. Incidental finding of left sided abdominal mass during elective admission for magnetic resonance imaging brain. Radiological investigation followed by histopathological examination revealed the presence of an inflammatory myofibroblastic tumour in abdomen. These were rarely reported intermediate tumours with a strong tendency for recurrence.