Bisphosphonate-induced osteonecrosis of the jaws: clinical, imaging, and histopathology findings  

Oleh:

Franco-Pretto, Elias ; Pacheco, Maikel ; Moreno, Andrey ; Messa, Oscar ; Gnecco, Juan

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology (keterangan: ada di ClinicalKey) vol. 118 no. 04 (Oct. 2014), page 408–417 .

Ketersediaan

Perpustakaan FK Nomor Panggil: O04.K Non-tandon: tidak ada Tandon: 1

Lihat Detail Induk

Isi artikel

Objective To assess the main clinical, radiographic, and histopathologic features of patients with bisphosphonate-induced osteonecrosis of the jaws (BIONJ). Study Design Patients with BIONJ diagnosed and treated at the Head and Neck Department, Instituto Nacional de Cancerología, Bogotá, DC, Colombia, between January 2012 and February 2014 were retrospectively included. Patients treated with sequestrectomy or curettage were excluded. Specimens from selected patients were reexamined under a light microscope. Clinical and imaging findings and sociodemographic variables were also reviewed. Results Five stage 3 BIONJ cases were included. Imaging found massive osteolysis. Histopathology found devitalized trabecular bone, an absence of osteoblastic rimming, osteoclastic necrosis, and viable periosteum. Actinomyces spp colonies were limited to superficial layers. Conclusions BIONJ histopathology is different from that of other necrotizing and inflammatory bone diseases. This relates to the known antiresorptive mechanism of bisphosphonates, which is the basis of their therapeutic action. Nevertheless, further study with larger series should be accomplished.

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