Key result
A 19.8 kg heterogeneous retroperitoneal dedifferentiated liposarcoma was completely resected but recurred rapidly within four months as a more homogeneous, calcific, nonlipogenic tumor, leading to death.
Case Report (n=1)
Dedifferentiated liposarcomas have a high recurrence rate, with biological behavior likely dictated by the most aggressive element.
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Single-case observation of recurrent dedifferentiated liposarcoma heterogeneity; hypothesis-generating and leaves open needs for larger studies before guiding practice.
Karmali et al. (2004) conducted a case report in Dedifferentiated liposarcoma of the retroperitoneum (n=1). Surgical resection was evaluated on Tumor recurrence and survival. A 19.8 kg heterogeneous retroperitoneal dedifferentiated liposarcoma was completely resected but recurred rapidly within four months as a more homogeneous, calcific, nonlipogenic tumor, leading to death.
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