HASSAN , DR OZAIR; KUMAR, DR AJAY; CHANDRASEKHAR, DR AJAY; CHATURVEDULA, DR. BALAVENKATA BHARATHI. Dedifferentiated liposarcoma (DDLPS) is a rare subtype of retroperitoneal sarcoma (RPS) arising from mesenchymal tissue, commonly in fat-rich regions such as the retroperitoneum. We present a case of DDLPS in a 61-year-old male who presented with an abdom. TPM – Testing, Psychometrics, Methodology in Applied Psychology, [S. l.], v. 32, n. S2(2025) : Posted 09 June, p. 1598–1601, 2025. Disponível em: https://tpmap.org/submission/index.php/tpm/article/view/811. Acesso em: 13 sep. 2025.