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Assaf, AT; Zrnc, TA; Riecke, B; Wikner, J; Zustin, J; Friedrich, RE; Heiland, M; Smeets, R; Gröbe, A.
Intraoperative efficiency of fluorescence imaging by Visually Enhanced Lesion Scope (VELscope) in patients with bisphosphonate related osteonecrosis of the jaw (BRONJ).
J Craniomaxillofac Surg. 2014; 42(5): e157-e164. Doi: 10.1016/j.jcms.2013.07.014
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Leading authors Med Uni Graz: Zrnc Tomislav
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Abstract:: The purpose of this study was to determine the potential of tissue fluorescence imaging by using Visually Enhanced Lesion Scope (VELscope) for the detection of osteonecrosis of the jaw induced by bisphosphonates (BRONJ). We investigated 20 patients (11 females and 9 males; mean age 74 years, standard deviation ± 6.4 years), over a period of 18 month with the diagnosis of BRONJ in this prospective cohort study. All patients received doxycycline as a fluorescending marker for osseous structures. VELscope has been used intraoperatively using the loss of fluorescence to detect presence of osteonecrosis. Osseous biopsies were taken to confirm definite histopathological diagnosis of BRONJ in each case. Diagnosis of BRONJ was confirmed for every patient. In all patients except one, VELscope was sufficient to differentiate between healthy and necrotic bone by visual fluorescence retention (VFR) and visual fluorescence loss (VFL). 19 cases out of a total of 20 showed no signs of recurrence of BRONJ during follow-up (mean 12 months, range 4-18 months). VELscope examination is a suitable tool to visualize necrotic areas of the bone in patients with bisphosphonate related osteonecrosis of the jaw. Loss of fluorescence in necrotic bone areas is useful intraoperatively as a tool for fluorescence-guided bone resection with relevant clinical interpretation. Copyright © 2013 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.
Find related publications in this database (using NLM MeSH Indexing): Aged -; Biopsy - methods; Bisphosphonate-Associated Osteonecrosis of the Jaw - pathology Bisphosphonate-Associated Osteonecrosis of the Jaw - surgery; Cohort Studies -; Doxycycline - diagnostic use; Female -; Fluorescence -; Fluorescent Dyes - diagnostic use; Follow-Up Studies -; Humans -; Intraoperative Care -; Male -; Mandibular Diseases - pathology Mandibular Diseases - surgery; Maxillary Diseases - pathology Maxillary Diseases - surgery; Optical Imaging - methods; Prospective Studies -; Tooth Extraction - methods
Find related publications in this database (Keywords): Bisphosphonates; Osteonecrosis; Intraoperative visualization; Fluorescence imaging; VELscope (R)