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Updated: Jan 15, 2026

Establishment of a Primary Culture of Patient-derived Soft Tissue Sarcoma
Published on: April 11, 2018
How Do Patient Demographics and Socioeconomic Disadvantage Impact Clinical Presentation, Surgical Outcomes, and
Nicole J Newman-Hung1, Kameel Khabaz2, Michaela Juels2
1Department of Orthopaedic Surgery, University of California, Los Angeles, California, USA.
Background:
Soft tissue sarcomas (STS) of the upper extremity (UE) are uncommon and may require complex surgical management. Socioeconomic disadvantage, race/ethnicity, sex, and marital status may influence presentation, surgical complexity, local recurrence (LR), and overall survival (OS).
Aims:
The aim of this work is to examine the influence of socioeconomic and demographic factors on the presentation and outcomes of upper extremity soft tissue sarcomas.
Methods And Results:
We identified patients treated surgically for primary UE STS (2012-2022). Demographics, tumor characteristics, and outcomes were recorded. Associations between demographics and time to presentation, skin grafting, amputation, and LR were assessed using chi-square and t-tests. Competing risks regression analyzed 3- and 5-year LR, and Kaplan-Meier analysis assessed 5-year OS. Among 181 patients, the mean time to presentation was 17.1 months (SD 34.3), mean tumor size was 7.8 cm (SD 5.7) while 56% required re-excision, 15% underwent amputation, 15% required skin grafting, and 24% experienced LR. Hispanic/Latino patients presented with larger tumor sizes (9.17 ± 5.71 cm vs. 7.43 ± 5.61 cm, p = 0.037). Non-married patients had higher odds of amputation (OR 3.15, p = 0.012), and female sex predicted greater LR risk (OR 2.17, p = 0.037). Twenty-one patients (11.1%) died within five years. In multivariable analysis, increasing tumor size (OR = 1.08; p = 0.010) and high tumor grade (OR = 8.28; p = 0.038) significantly impacted 5-year OS.
Conclusion:
While disparities across patient demographics may exist for surgical outcomes for UE STS, racial disparities in overall survival may be mitigated with treatment at an urban, tertiary care sarcoma center.
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