Related Experiment Video
Updated: Jun 18, 2026

09:09
Treatment with Vancomycin Loaded Calcium Sulphate and Autogenous Bone in an Improved Rabbit Model of Bone Infection
Published on: March 14, 2019
[Histopathological observation of bone remodeling in rabbit sinusitis model]
Jing Zhang1, Bing Zhou, Sheng-Zhong Zhang
1Department of Otorhinolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Ministry of Education, Beijing, China.
Summary
Bacterial sinusitis causes bone remodeling, with initial bone destruction followed by proliferation. This bone remodeling is a key feature of chronic rhinosinusitis (CRS), potentially perpetuating inflammation.
Area of Science:
- Otorhinolaryngology
- Pathology
- Histology
Context:
- Sinusitis, particularly chronic rhinosinusitis (CRS), is a prevalent condition.
- The role of bone remodeling in the pathogenesis of sinusitis requires further elucidation.
Purpose:
- To investigate the histopathological changes of bone remodeling in a rabbit sinusitis model over time.
- To explore the influence of bone remodeling on the development and chronicity of sinusitis.
Summary:
- A rabbit model of sinusitis was established, with specimens analyzed at different time points post-infection.
- Histopathological evaluation revealed significant bone remodeling, including mucosal thickening and changes in osteoblast and osteoclast density, particularly in the early stages.
- Bone destruction was observed initially, followed by bone proliferation, indicating a dynamic remodeling process.
Impact:
- Findings suggest that bone remodeling is a fundamental histopathological characteristic of CRS.
- Bone remodeling may contribute to the persistent inflammatory nature of chronic rhinosinusitis.

