Management of T-cell large granular lymphocyte leukemia and concurrent retroperitoneal liposarcoma

Bruce, Nolan R; Tilley, Zachary W; Carlson, Jacob; Andrade, Juan Camilo Barreto

doi:10.1093/jscr/rjy142

Cited by 1 publication

(1 citation statement)

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“…Of the remaining six studies, one was a retrospective case series (26) and five were case reports (70)(71)(72)(73)(74), both documenting the recurrence and survival outcomes of RPLPS patients receiving R1-margin resection for RPLPS. In total, our systematic review evaluated a total of 552 patients with RPLPS of whom 346 underwent R0-margin resection and 206 underwent R1-margin resection.…”

Section: R1-margin Resectionmentioning

confidence: 99%

A systematic review of margin status in retroperitoneal liposarcomas: Does the R0 margin matter?

Paik¹,

Seo²,

Tan³

et al. 2022

Front. Oncol.

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Retroperitoneal liposarcomas (RPLPSs) are a rare tumor group for which current guidelines recommend aggressive en bloc resection to attain microscopically negative (R0) margins. To ensure R0 margins, resection of adherent or adjacent organs is often required. However, it is still unclear if R0 margins confer any additional benefit to patients over a grossly negative but microscopically positive (R1) margin. We performed a systematic search of PubMed and Embase databases for studies including patients receiving R0 or R1 resection for RPLPS. Nine retrospective cohort studies, one prospective cohort study, and 49 case reports/case series were included. A total of 552 patients with RPLPS were evaluated: 346 underwent R0 resection and 206 underwent R1 resection. In the R0 group, 5-year overall survival (OS) ranged from 58.3% to 85.7%; local recurrence (LR) ranged from 45.5% to 52.3%. In the R1 group, 5-year OS ranged from 35% to 55.3%; LR ranged from 66.7% to 91.7%. Among cohort studies, OS, disease-free survival (DFS), LR rate, and LR-free survival (LRFS) were significantly associated with R0 resections. Assessment of case series and reports suggested that the R0 margin led to a slightly higher morbidity than that of R1. In conclusion, this review found the R0 margin to be associated with reductions in LR rates and improved OS when compared with the R1 margins, though accompanied by slight increases in morbidity. The roles of tumor histotype and perioperative chemotherapy or radiotherapy were not well-elucidated in this review.

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