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      Intravascular Papillary Endothelial Hyperplasia (Masson Tumor) of the Right Thumb: A Case Report and Literature Review

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          Summary:

          The Masson tumor is a benign vascular tumor named after Pierre Masson, the French pathologist who originally described it in 1923, terming it “hémangio-endothéliome végétant intravasculaire.” It is a rare tumor that can arise in any area throughout the body. However, the exact cause of Masson tumor remains poorly understood, and its diagnosis is challenging and difficult to distinguish from several other soft-tissue tumors. In this report, we report a case of Masson tumor arising in the right thumb that is only the second reported case in the hand in Saudi Arabia.

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          Most cited references20

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          Intravascular papillary endothelial hyperplasia. A clinicopathologic study of 91 cases.

          Ninety-one cases of intravascular papillary endothelial hyperplasia were studied clinically and histologically. This peculiar benign process, occasionally resembling hemangiosarcoma, was subgrouped in the following categories: a pure form that occurs within a dilated vascular space (30 cases), a mixed form that appears as a focal change in a hemangioma (55 cases), a third form (six cases) that belongs to neither of the first two. In the pure form, the lesions were most frequently situated in the subcutis of fingers (14 cases), of the head and neck (seven cases), and in the region between the elbows and hands (six cases). In the mixed form, half of the accompanying hemangiomas were intramuscular in no particular predilective sites. Papillary proliferation of endothelial cells was commonly found to be closely associated with thrombotic material and seemed to be an unusual feature of a thrombus undergoing organization.
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            Masson's "vegetant intravascular hemangioendothelioma:" a lesion often mistaken for angiosarcoma: study of seventeen cases located in the skin and soft tissues.

            The occurrence of Masson's "hemangio-endotheliome vegetant intravasculaire" (Masson's pseudoangiosarcoma) in the skin and soft tissues is illustrated with 17 surgically excised specimens. Two forms are recognized; it may appear either as a pure lesion or as a focal condition in a pre-existing vascular process, such as pyogenic granuloma or hemangioma. The clinical appearance is not specific and the diagnosis can only be established by microscopic examination. It shows a predilection for the head and extremities. Its characteristic morphologic appearance makes possible its differentiation from a group of benign and malignant vascular proliferations. The key microscopic feature is the presence of a papillary growth composed of hyperplastic endothelial cells supported by delicate fibrous stalks entirely confined within the vascular lumen. The lesion should not be mistaken for angiosarcoma, since its clinical behavior is invariably benign.
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              Masson's tumor of the hand: a case report and brief literature review.

              Masson's tumor, more accurately termed intravascular papillary endothelial hyperplasia, is a benign lesion commonly confused with angiosarcoma. We present a case of a Masson's lesion arising on the left thumb of a 63-year-old woman and a review of historic and current literature regarding differential diagnosis and management. Masson's tumor is a completely benign lesion in cutaneous instances and can be adequately treated with excision alone.
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                Author and article information

                Journal
                Plast Reconstr Surg Glob Open
                Plast Reconstr Surg Glob Open
                GOX
                Plastic and Reconstructive Surgery Global Open
                Lippincott Williams & Wilkins (Hagerstown, MD )
                2169-7574
                September 2023
                07 September 2023
                : 11
                : 9
                : e5224
                Affiliations
                From the [* ]Plastic Surgery Department, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
                []Plastic Surgery Department, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
                []Histopathology Unit, Central Military Lab and Blood Bank (CML&BB), Prince Sultan Military Medical City, Riyadh, Saudi Arabia.
                Author notes
                Saud Alkabbaa, MD, Plastic Surgery Department, Prince Sultan Medical City, Riyadh, Saudi Arabia, E-mail: s.alkabbaa@ 123456yahoo.ca
                Article
                00013
                10.1097/GOX.0000000000005224
                10484366
                37691699
                49dc35f7-edd5-441c-8bcd-e2277faa666c
                Copyright © 2023 The Authors. Published by Wolters Kluwer Health, Inc. on behalf of The American Society of Plastic Surgeons.

                This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

                History
                : 28 January 2023
                : 13 July 2023
                Categories
                Hand
                Case Report
                Custom metadata
                TRUE
                SAUDI ARABIA

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