Gossypiboma (textiloma) is a rare but preventable complication occurring due to oblivion of the surgical material during an operation that carries important diagnostic difficulties as well as high morbidity and mortality risks. The actual incidence is unknown because of its medicolegal aspects. Our case is a 36-years-old female patient, who had a caesarean section two years ago in another center. Clinical examination and radiological investigations gave the impression of "gastrointestinal stromal tumor" and the surgically taken out mass was sent to our pathology department. The case was reported as a "gossypiboma"' and presented here to emphasize the diagnostic difficulties in the preoperative period, the life-threatening nature of the condition and as well as the rarity of the reported cases.