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BACKGROUND: Gastrointestinal stromal tumours are the most common mesenchymal malignancies of the gastrointestinal (GI) tract and gastric leiomyosarcoma represent 1-3% of gastric malignancies. CASE PRESENTATION: We report a case of a 69-year-old black African man who presented with a rare cause of gastric outlet obstruction and duodenal perforation. A Billroth-II gastrectomy was performed and histology confirmed a gastric leiomyosarcoma. CONCLUSIONS: It is important to identify the gastric leiomyosarcoma which is a variant of the more common malignant gastrointestinal stromal tumours as the pathogenesis and management are currently well established. As the facilities for differentiating these are not easily available in resource-limited areas gastrointestinal stromal tumours may remain underdiagnosed and undertreated.
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Weledji et al. (2014) studied this question.
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