Ruo Wen WongShu Jenn MohRosdara Masayuni Mohd SaniSiti Fareeda Ahmad Nor Anuar2024-05-302024-05-302022Wong, R. W., Moh, S. J., Mohd Sani, R. M., & Ahmad Nor Anuar, S. F. (2022). Behind the Peritoneum and Back of the Mind: Consideration of Retroperitoneal Sarcomas as a Differential Diagnosis. Malaysian Journal of Science Health & Technology, 8, 37–39. https://doi.org/10.33102/mjosht.v8i.2842601-000310.33102/mjosht.v8i.284https://mjosht.usim.edu.my/index.php/mjosht/article/view/284https://oarep.usim.edu.my/handle/123456789/15384Vol. 8 (2022): Special Issue on Communicable and Non-Communicable Disease, Multidisciplinary Case ReportsRetroperitoneal sarcomas (RPS) are rare malignant tumours that originate from connective tissues of skeletal or extraskeletal origin in the retroperitoneal region, which are often missed. This case report highlights a patient with RPS that presented with abdominal swelling. In addition, this case report was written to elucidate the significance of thorough history, physical examination findings, and awareness in considering RPS as a differential diagnosis of abdominal masses in accurately diagnosing RPS for timely intervention.enRetroperitoneal sarcoma, Soft tissue sarcoma, retroperitoneal mass, abdominal mass, abdominal swellingArticle37398Special Issue