ArticleCancers2024
Demographic and Clinical Characteristics of Malignant Solitary Fibrous Tumors: A SEER Database Analysis.
Article in Cancers, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Real-World Surgical Experience with Thoracic Solitary Fibrous Tumors: Outcomes from a High-Volume Indian Center.Indian journal of surgical oncology · 2026Article
- Robot-assisted laparoscopic prostate-sparing resection of an extremely rare periprostatic solitary fibrous tumor: a case report and literature review.World journal of surgical oncology · 2025Review
- Article
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Authors and funding
25 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
objectivesSolitary fibrous tumors (SFTs) represent a rare mesenchymal malignancy that can occur anywhere in the body. Due to the low prevalence of the disease, there is a lack of contemporary data regarding patient demographics and cancer-control outcomes.
methodsWithin the SEER database (2000-2019), we identified 1134 patients diagnosed with malignant SFTs. The distributions of patient demographics and tumor characteristics were tabulated. Cumulative incidence plots and competing risks analyses were used to estimate cancer-specific mortality (CSM) after adjustment for other-cause mortality.
resultsOf 1134 SFT patients, 87% underwent surgical resection. Most of the tumors were in the chest (28%), central nervous system (22%), head and neck (11%), pelvis (11%), extremities (10%), abdomen (10%) and retroperitoneum (6%), in that order. Stage was distributed as follows: localized (42%) vs. locally advanced (35%) vs. metastatic (13%). In multivariable competing risks models, independent predictors of higher CSM were stage (locally advanced HR: 1.6; metastatic HR: 2.9), non-surgical management (HR: 3.6) and tumor size (9-15.9 cm HR: 1.6; ≥16 cm HR: 1.9).
conclusionsWe validated the importance of stage and surgical resection as independent predictors of CSM in malignant SFTs. Moreover, we provide novel observations regarding the independent importance of tumor size, regardless of the site of origin, stage and/or surgical resection status.
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