ArticleJournal of orthopaedic case reports2021
Masson's Hemangioma of Knee: A Rare Case Report.
Article in Journal of orthopaedic case reports, 2021. 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, 3 citations in OpenAlex.
- Sinonasal intravascular papillary endothelial hyperplasia (Masson's tumor): report of a new patient with review of literature.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2026Review
- Article
- Synovial Hemangioma: An Overlooked Cause of Chronic Knee Pain in Children.Journal of orthopaedic case reports · 2024Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionIntrasynovial hemangioma, a rare benign vascular lesion of joint cavities, is also called intrasynovial papillary endothelial hyperplasia or Masson's hemangioma (MH). These lesions are characterized by abnormal proliferation of endothelial cells with mild atypia with an organized thrombus. MH follows an individualized protocol for its management. CASE REPORT: A 22-year-old male gave a 10-year history of the diagnosed and operated (arthroscopically) case of synovial hemangioma of the left knee and presented with similar complaints. There was no history of trauma or infection over the left knee. The movements of the left knee were normal except with terminal restriction of movements. MRI of the left knee suggested intrasynovial low flow vascular malformation within the substance of the synovium. The patient underwent synovectomy of the hemangiomatous lesion in toto without any recurrence in the follow-up period for 8 months. Histopathology confirmed the diagnosis of intravascular papillary endothelial hyperplasia/MH.
conclusionAlthough intrasynovial hemangioma is a very rare clinical entity, Orthopedic surgeons should have a high index of suspicion for MH, when a long-standing pain and hemarthrosis of the knee joint is being encountered in the clinical practice.
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