Related Experiment Video
Updated: Jul 2, 2025
07:55
Establishment of a Primary Culture of Patient-derived Soft Tissue Sarcoma
Published on: April 11, 2018
14.3K
Progressive Improvement in 5-Year Survival Rates for Extremity Soft Tissue Sarcomas from 1999 to 2019
Ryley K Zastrow1, Mohyeddine El Sayed2, Christa L LiBrizzi1
1Department of Orthopaedic Surgery, The Johns Hopkins Hospital, Baltimore, MD, USA.
Sarcoma
|February 27, 2024
Summary
Extremity soft-tissue sarcoma (ESTS) survival has significantly improved over two decades. Recent trends show better outcomes, possibly due to earlier detection and advanced treatments for this rare cancer.
Area of Science:
- Oncology
- Epidemiology
- Cancer Research
Background:
- Extremity soft-tissue sarcoma (ESTS) represents a rare and diverse group of cancers.
- While survival rates have historically improved, recent trends require updated analysis.
- This study investigates clinical features and survival trends of ESTS from 1999 to 2019.
Purpose of the Study:
- To update the understanding of clinical characteristics of ESTS.
- To analyze recent trends in the 5-year survival rate of ESTS.
- To identify prognostic factors influencing ESTS patient survival.
Main Methods:
- Retrospective cohort study utilizing the SEER database (1999-2019).
- Inclusion of 5,654 patients aged over 15 with primary ESTS.
- Kaplan-Meier and Cox regression analyses performed on demographic, clinical, and survival data.
Main Results:
- ESTS commonly presents in the lower extremity, high grade, large size, and without metastasis.
- A significant increase in older patients and those diagnosed without metastasis was observed.
- Five-year survival improved from 47% (1999-2005) to 78% (2013-2019), with declining mortality rates.
Conclusions:
- Five-year survival rates for ESTS have progressively improved over the 20-year study period.
- Increased diagnosis of localized disease in older patients may contribute to improved survival.
- Earlier detection and more effective treatments are potential drivers of these positive trends.
Related Concept Videos
01:21Cancer Survival Analysis
346
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
346
02:07Tumor Progression
6.3K
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
6.3K