Key result
Rapidly expanding retroperitoneal liposarcoma proves unresectable in a 93-year-old woman due to local invasion.
Why the study?
Retroperitoneal liposarcomas arising from the site of a previous colonic resection have not been previously described.
Case Report (n=1)
No
This case describes a rare presentation of a retroperitoneal liposarcoma arising from the site of a previous colonic resection in a nonagenarian.
Alerts clinicians to rare post-anastomotic liposarcoma risk in elderly; hypothesis-generating and leaves open any causal link.
Retroperitoneal liposarcomas are rare tumors arising from the soft tissue of the retroperitoneum and are of mesenchymal cell origin. They can reach a large size prior to causing symptoms and generally have a poor prognosis. We present the case of a 93-year-old lady presenting with a large retroperitoneal liposarcoma at the site of a previous colonic anastomosis for the adenocarcinoma treatment. It caused minimal symptoms initially, but surgical resection was undertaken when the tumor was found to be growing significantly in size. However, due to the tumor's location and its invasion into surrounding structures, the resection was not feasible and subsequently abandoned. A retroperitoneal liposarcoma arising from the site of a previous colonic resection has not been previously described. A review of the diagnosis and current management of these lesions is also given.
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Cheung et al. (2020) conducted a case report in Retroperitoneal liposarcoma (n=1). Surgical exploration was evaluated on Clinical outcome. A 93-year-old woman developed a rapidly expanding retroperitoneal liposarcoma at the site of a previous colonic anastomosis that was found to be unresectable due to local invasion.
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