The anti-angiogenic agent, bevacizumab, may increase the risk of osteonecrosis of the jaw. This agent inhibits VEGF and, therefore, also presumably represses the vascularisation of the jaw, which leads to healing complications. Due to increasing use of bevacizumab, patients receiving this agent should be closely monitored for possible side effects.
Bilateral dissection of 15 formalin embalmed cadaver legs was performed in order to study the anatomic pattern of the peroneal artery (PA) and its cutaneous perforating vessels (CB). The total number of CB from the PA was 125 or an average of 4.17 branches per leg. CB were distributed in the superoinferior axis between 18.25 and 84.25% of the length of the fibula and their average length was 5 +/- 1.8 cm. 86/125 (68.8%) of the CB were classified as myocutaneous branches (MC) that penetrated muscle before reaching the skin, whereas 39/125 (31.2%) were septocutaneous branches (SC) that passed through the intermuscular septum. The mean distance between the posterior border of the fibula and the site where the perforators emerged was 1.88 +/- 0.79 cm for the SC and 1.21 +/- 0.87 cm for the MC. These anatomic findings should encourage the surgeon to design the skin paddle in the boundary between the middle and the distal third of the fibular length about 2 cm behind the posterior fibular border on the posterolateral leg, where the number of CB is maximal.
Severe hemorrhages of the oral cavity may be caused by arteriovenous malformations. This case report concerns a 52-year-old healthy female who presented with a painful lower third molar and an extensive arteriovenous high-flow malformation of the floor of the right side of the mouth. During the extraction of the right lower wisdom tooth, an episode of massive life-threatening bleeding occurred. Since the therapy for intraoral arteriovenous malformations of the soft tissue is complex and often difficult to perform, the modus operandi of the present case is presented, and a review of the literature is included.
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