ArticleFrontiers in veterinary science2026
Advancing bone health evaluation in Hermann's tortoises (
Article in Frontiers in veterinary science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Metabolic bone disease (MBD) is a common disorder in captive chelonians. Early diagnosis is challenging due to non-specific clinical signs, normal blood values in early stages, and limited sensitivity of radiographs. Spectral detector computed tomography (SDCT) offers quantitative, phantomless assessment of bone mineral density (BMD) and may improve diagnostic accuracy. This study evaluated SDCT's feasibility for measuring BMD in Hermann's tortoises ( Materials and methods: Twenty-three tortoises were divided into healthy and MBD-affected groups, with shell softness graded subjectively. SDCT scans were acquired without sedation, and BMD maps were generated using a phantom-based linear calibration model. Regions of interest were placed at the gular scute, scapula, and ilium. BMD distributions, mean values, and shell morphometric ratios were compared between groups. Results: 106 measurement sites were analyzed. SDCT detected significant BMD declines from healthy to severely MBD-affected tortoises ( Conclusion: SDCT is a sensitive, non-invasive method for detecting and quantifying demineralisation in Hermann's tortoises. It distinguishes healthy from MBD-affected individuals, enables objective observer-independent assessment, and complements clinical examination. SDCT shows strong potential for early diagnosis and monitoring of treatment in chelonian MBD. Larger, age-stratified cohorts are needed to confirm these findings.
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