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Background: Clivus is a bony surface in the posterior cranial fossa, serving as the support of the brainstem and thus neighboring important structures because of its location. Skull base fractures that cannot be shown by conventional radiography can be clearly imaged by high-resolution bone window computed tomography. Case Report: A 44 years-old male referred to the emergency department because of a traffic accident in the car. His only complaint was a severe neckache. His X-ray examination showed no pathology. The computed tomographic examination showed no parenchymal pathology, but a isolated transverse fracture in the clivus. Conclusions: The computed tomographic examination showed isolated transverse fracture in the clivus our case presented in this paper is the first case of transverse clivus fracture without additional cranial bone fracture and neurologic deficit in the literature.