CD34 and CD105 Microvessels in Resected Bone Specimen May Implicate Wound Healing in MRONJ

Antonia Marcianò, Antonio Ieni, Rodolfo Mauceri and Giacomo Oteri
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Antonia Marcianò: Department of Clinical and Experimental Medicine, University of Messina, 98124 Messina, Italy
Antonio Ieni: Department of Human Pathology of Adults and Developmental Age, Gaetano Barresi, University of Messina, 98124 Messina, Italy
Rodolfo Mauceri: Department of Surgical, Oncological, and Oral Sciences, University of Palermo, 90127 Palermo, Italy
Giacomo Oteri: Department of Biomedical, Postgraduate School of Oral Surgery, Dental Sciences and Morphofunctional Imaging, University of Messina, 98124 Messina, Italy

IJERPH, 2021, vol. 18, issue 21, 1-16

Abstract: Clinical treatment outcome of MRONJ (medication-related osteonecrosis of the jaw) surgery despite radical osseous removal and primary closure healing still shows differences in terms of outcome and disease recurrence. The study aims to assess the rate of angiogenesis of MRONJ lesions in order to understand the impact of angiogenesis and neoangiogenesis status on MRONJ surgical treatment outcome. This is the first study correlating microvessel density with prognosis in MRONJ surgically-treated patients. The immunohistochemical expression of CD34 and CD105 in MRONJ specimens obtained from surgically-treated patients was evaluated. The most vascularized areas detected by CD34 and CD105 were selected and the microvessel density value of the samples was registered. Samples were retrospectively divided according to the clinical outcome of MRONJ surgical treatment, dividing patients into two groups, “healed” and “not healed”. Statistical analysis was performed to assess if neovessels could influence treatment outcome in patients undergoing radical surgery. In the examined cohort, this value was highly predictive of better treatment outcome after radical surgery of MRONJ. Understanding of angiogenesis-dependent factors deserves further attention as a future target for MRONJ prevention and therapies.

Keywords: medication-related osteonecrosis of the jaw; angiogenesis; surgical treatment; treatment outcome (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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