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A Clinicopathological Analysis of Soft Tissue Sarcoma with Telangiectatic Changes
Hiroshi Kobayashi1, Keisuke Ae2, Taisuke Tanizawa2
1Department of Orthopedic Surgery, Cancer Institute Hospital, Ariake 3-8-31, Koutou-ku, Tokyo 135-8550, Japan; Department of Orthopedic Surgery, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan.
Sarcoma
|February 4, 2016
Summary
Soft tissue sarcoma with telangiectatic changes (STST) presents unique diagnostic challenges. Key indicators include painful hematomas without trauma, intratumoral nodules, and tumor regrowth after aspiration.
Area of Science:
- Oncology
- Pathology
- Radiology
Background:
- Soft tissue sarcoma with a hemorrhagic component poses diagnostic difficulties via needle biopsy.
- This condition is defined as soft tissue sarcoma with telangiectatic changes (STST).
Purpose of the Study:
- To define and characterize soft tissue sarcoma with telangiectatic changes (STST).
- To identify unique clinicopathological features for diagnosing STST.
Main Methods:
- Retrospective review of clinicopathological data from 14 STST patients.
- Analysis of patient history, tumor characteristics, MRI findings, and outcomes.
Main Results:
- STST prevalence was 1.8% (14/784 patients), predominantly in the lower leg.
- Common histological types included undifferentiated pleomorphic sarcoma and synovial sarcoma.
- Key findings: painful masses (9/14), intratumoral nodules on MRI (64.3%), and tumor regrowth post-aspiration.
Conclusions:
- STST exhibits a distinct clinicopathological presentation.
- Painful hematomas without trauma history, intratumoral nodules, and post-aspiration regrowth suggest STST.
- STST shows a poorer 2-year event-free survival rate (50%) compared to most sarcomas.
