2018
DOI: 10.1111/ddg.13727
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Epithelioid angiosarcoma arising from a frontoparietal arteriovenous malformation

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Cited by 6 publications
(7 citation statements)
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“…Cutaneous AS may arise spontaneously, as a consequence of radiation (radiation-associated angiosarcoma, RAA) or in association with chronic lymphedema (Stewart-Treves syndrome) [3]. There are also reports of angiosarcomas arising from AV fistulas in kidney transplant patients, particularly in patients receiving immunosuppression [4]. The skin is the most common site of primary AS, with 62.1 % of cAS presenting initially in the head and neck area [5].…”
Section: Discussionmentioning
confidence: 99%
“…Cutaneous AS may arise spontaneously, as a consequence of radiation (radiation-associated angiosarcoma, RAA) or in association with chronic lymphedema (Stewart-Treves syndrome) [3]. There are also reports of angiosarcomas arising from AV fistulas in kidney transplant patients, particularly in patients receiving immunosuppression [4]. The skin is the most common site of primary AS, with 62.1 % of cAS presenting initially in the head and neck area [5].…”
Section: Discussionmentioning
confidence: 99%
“…Although most ASs arise spontaneously, AS can arise from pre-existing benign vascular lesions, particularly in cases with a history of radiation therapy, which is a well-known risk factor of AS. One report described a case of AS arising from AVM, in which AS arose from a frontoparietal AVM which had been identified many years prior (2). This patient had no history of radiation therapy but had received prednisolone and budesonide for collagenous colitis.…”
Section: Discussionmentioning
confidence: 99%
“…The ISSVA classification categorizes vascular anomalies as vascular tumours that present as neoplastic growths and vascular malformations that have abnormal anastomoses and structures in vessels with poor proliferative ability. Arteriovenous malformation (AVM) is classified as a vascular malformation, and malignant transformation of AVM to AS is extremely rare, with only one case report to date demonstrating AS arising from AVM (2). The present case is the second to describe the possibility of malignant transformation of AVM to AS.…”
Section: Introductionmentioning
confidence: 99%
“…Acroangiodermatitis Mali (AM), also known as pseudo-Kaposi sarcoma or acral capillary angiomatosis, is the more common form and represents a reactive angiodysplasia of cutaneous vessels [3]. Cases caused by chronic venous insufficiency, acquired arteriovenous anomalies, paralyzed extremities or amputation stumps have been described [4][5][6][7][8]. The etiology of AM remains elusive, though it has been argued that chronic hypoxia can induce neovascularization and fibroblast proliferation [9].…”
Section: Dear Editorsmentioning
confidence: 99%