A retrospective analysis of magnetic resonance (MR) imaging studies of 78 patients with acute cervical spinal cord injuries was undertaken to determine which observations related directly to the neurologic injury. All MR imaging studies were performed on a 1.5-T unit and assessed with respect to 14 parameters related to the bony spine, ligaments, prevertebral soft tissues, intervertebral disks, and spinal cord. Forty-eight patients also underwent non-contrast material-enhanced thin-section computed tomography (CT) of the cervical spine. MR imaging was the definitive modality in the assessment of soft-tissue injury, especially in the evaluation of the spinal cord and intervertebral disks. All patients with a neurologic deficit had abnormal spinal cords at MR imaging. Intramedullary hemorrhage was predictive of a complete lesion. The degree of associated bone and soft-tissue injury had no bearing on the extent of spinal cord injury or neurologic deficit. Patients with residual cord compression following reduction demonstrated greater neurologic compromise than those without compression.

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A case is presented in which a solitary chondroma arose from the clivus of a patient with Ollier's disease. These tumors are rare. The diagnostic value of computerized tomography and magnetic resonance imaging is discussed.

A 53-year-old female admitted to the hospital for generalized weakness, fever, and cough, tested positive for coronavirus disease 2019 . She experienced cardiac arrest and then developed a deep-venous thrombosis and pneumonia. She then developed new-onset paraplegia due to an epidural abscess found on thoracic-spine imaging. After surgical removal of the epidural abscess, the patient improved clinically. This is a unique case report of a patient developing paraplegia secondary to an epidural abscess as a serious complication of COVID-19 infection.

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Traumatic brain injury (TBI) is a significant source of concern in the pediatric population. It has been estimated that close to 500,000-700,000 pediatric TBI incidents occur within the United States alone, with majority occurring in early childhood (<4 years) and early adulthood (>15 years). The management of TBI depends on its severity. It is the prevention of worsening of the secondary injury that is often targeted during the medical management. Given that TBI poses such a huge health risk, further understanding is required for adequate management of pediatric patients with TBI; especially due to the fact that their brain is still developing and has not completely matured.

Chronic subdural hematoma (CSDH) is a relatively common condition encountered in a neurosurgical practice. There have been increased efforts in creating different treatment regimens for CSDH to improve patients' outcomes, including the addition of tissue plasminogen activator (tPA) in drains to reduce recurrences. Here, we present the first case report of the safe use of tPA in conjunction with an Integra Camino bolt for maximized drainage of CSDH with a successful neurological recovery and the complete resolution of the hematoma.

The CT signs of aberrant course of the internal carotid artery are presented and are contrasted against those of anomalously high jugular bulb, glomus tympanicum and cholesterol granuloma.