ArticleJournal of orthopaedic case reports2022
Ancient Schwannoma with Hemorrhagic Degeneration Causing Chronic Intramuscular Hematoma: A Case Report.
Article in Journal of orthopaedic case reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 1 citations in OpenAlex.
- Malignant peripheral nerve sheath tumor mimicking post-traumatic hematoma: A case report.Radiology case reports · 2026Article
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduction: The value of this manuscript is that it highlights a common diagnostic challenge facing orthopedic surgeons, involving the reality that both benign and malignant soft-tissue tumors can present as large cystic masses masquerading as a hematoma. This is the first report of its kind to describe a schwannoma presenting as such a large hematoma in the thigh. Case Presentation: A 64-year-old male presented with 2 days of worsening pain over a left posterior thigh mass that was enlarging for 12 years. Imaging demonstrated a cystic mass. 1.8L of serosanguinous fluid was aspirated and cytology was negative for malignancy, suggesting chronic hematoma. The fluid reaccumulated, indicating surgical management. Histopathology revealed a hemorrhagic ancient schwannoma. Conclusion: Without history of trauma or anticoagulation, intramuscular hematoma should be a diagnosis of exclusion. Burden of proof is high to rule-out a neoplastic process masquerading as fluid collection. Biopsies should be taken and schwannoma with ancient change and cystic degeneration should be considered.
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