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Histologic Change of Arteriovenous Malformation of the Face and Scalp after Free Flap Transfer

Authors
 Kwan-Chul Tark  ;  Seum Chung 
Citation
 Plastic and Reconstructive Surgery, Vol.106(1) : 87-93, 2000 
Journal Title
PLASTIC AND RECONSTRUCTIVE SURGERY
ISSN
 0032-1052 
Issue Date
2000
MeSH
Adult ; Arteriovenous Malformations/pathology ; Arteriovenous Malformations/surgery* ; Biopsy ; Capillaries/pathology ; Elastic Tissue/pathology ; Endothelium, Vascular/pathology ; Face/blood supply* ; Female ; Humans ; Male ; Middle Aged ; Muscle, Smooth, Vascular/pathology ; Postoperative Complications/pathology* ; Scalp/blood supply* ; Skin/blood supply* ; Surgical Flaps*
Abstract
In three patients with long-standing vascular malformations of the face and scalp, radial forearm free flaps were transferred after a near-total excision of the lesion. All patients had typical high-flow malformations with thrill and bruit. The onset and progression of the malformations were analyzed through clinical and histologic studies. After free flap transfer, the vascular malformations were followed up grossly and histologically for between 4 and 9 years. There was no recurrence of arteriovenous malformation after free flap transfer. The portion of the residual lesion adjacent to the transferred free flap disappeared, and the remaining discoloration also vanished grossly. Histologic comparison of immediate postoperative and 4-month postoperative specimens from the margin and residual lesion using Victoria blue staining showed that the typical preoperative findings for arteriovenous malformation-an intermingling of thick-walled vessels with abundant elastic fibers and thin-walled vessels without elastic fibers-had undergone change, resulting in the disappearance of the thick-walled vessels and leaving only homogeneous, thin-walled vasculature. The highly vascularized free flap, which does not contain abnormal fistulas, impacted the histologic change of the arteriovenous malformation by blocking the vicious cycle of ischemia and anatomic replacement of disfigured skin and subcutaneous tissues.
Full Text
https://oce.ovid.com/article/00006534-200007000-00016/HTML
DOI
10.1097/00006534-200007000-00016
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Plastic and Reconstructive Surgery (성형외과학교실) > 1. Journal Papers
Yonsei Authors
Tark, Kwan Chul(탁관철)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/171841
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