ArticleCureus2025
Intravascular Papillary Endothelial Hyperplasia (Masson's Tumor) of the Thumb Presenting as a Giant Cell Tumor of Tendon Sheath: A Case Report and Literature Review.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Masson's tumor, also known as intravascular papillary endothelial hyperplasia (IPEH), is a rare benign vascular lesion of the skin and subcutaneous tissues. It represents the organization and recanalization of a thrombus within a normal vessel, vascular malformation, or hematoma. Although it can occur in any part of the body, its presence in the hand can be particularly challenging to differentiate from other soft-tissue lesions. We present a case of Masson's tumor located in the distal phalanx of the thumb. Initial magnetic resonance imaging (MRI) examination suggested a giant cell tumor of the tendon sheath; however, following surgical excision, histopathological evaluation confirmed the diagnosis of Masson's tumor. This case highlights the critical importance of histopathological examination, as Masson's tumor can closely mimic other soft-tissue lesions.
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