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ABSTRACT This study aimed to evaluate the spinal morphometry of the thoracic and lumbar regions in normal Korean Shorthair cats using computed tomography (CT) and to investigate the relationship with variables such as sex, age and body weight. Fifteen clinically healthy Korean Shorthair cats (eight males, seven females) from Seoul National University Veterinary Medical Teaching Hospital were included in this retrospective study. Measurements of the height, width and area of the vertebral canal and spinal cord on CT images were taken at the cranial, middle and caudal points of the thoracic and lumbar vertebrae by three observers, and the ratios of the spinal cord area to the vertebral canal area were calculated. The significance of the differences in measurements between sexes and correlations with age and body weight were analysed. The mean age of the cats was 7 years (range: 2–12 years), with a mean weight of 5.27 kg (range: 2.6–8.3 kg). The height, width and area of the vertebral canal and spinal cord were significantly greater in males than in females ( p 0.05), and no significant correlations were found between the ratios of the spinal cord area to the vertebral canal area and age or body weight. This study provides useful reference intervals for spinal morphometry in the thoracic and lumbar regions of healthy Korean Shorthair cats and investigate the relationship with variables such as sex, age and body weight. This anatomical information may assist in the diagnosis and prognosis of thoracic, lumbar vertebral and spinal cord diseases using CT.
Ahn et al. (Fri,) studied this question.