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A practical classification of acute cervical spine injuries.

This article presents a practical classification of acute cervical spine injuries based on terminology with generally accepted and understood definitions, published results of experimentally produced acute injuries of the cervical spine, and the correlation of the radiographic and pathologic characteristics of the laboratory models with acute clinical injuries.

Eponymous Signs of Tuberculosis: Part 2 (1909-1942).

This historical review explores the development and significance of medical eponyms associated with tuberculosis between 1909 and 1942, highlighting their contribution to the diagnosis of the disease. During this period, 16 eponymous signs were described, including the well-known Brudzinski sign for tuberculous meningitis in children. Notable examples from radiographic studies include Stierlin sign for small bowel tuberculosis and the Fleischner ileocecal valve sign for ileocecal tuberculosis. Bedside physical examination findings also enriched clinical assessments, for instance, Schick's expi

Phenytoin is associated with increased risk of osteoporosis and fragility fractures in adult epileptic patients.

INTRODUCTION: Osteoporotic fractures lead to significant decreases in the quality of life with increases in morbidity, mortality, and disability. Treatment with a variety of anti-epileptic drugs, such as phenytoin, has been understood to cause a decrease in bone mineral density. MATERIALS AND METHODS: Cohort A was identified as patients that were 18-55 years old that had epilepsy and recurrent seizures that were also prescribed phenytoin. Cohort B was identified as patients that were 18-55 years old that had epilepsy and recurrent seizures but were not prescribed phenytoin or other anti-epile

Evaluation of the influence of hyoid bone position, volume, and types on pharyngeal airway volume and cephalometric measurements.

OBJECTIVES: We aimed to explore the position, morphological, and morphometric properties of the hyoid bone (HB) and to investigate the effect of HB on the pharyngeal airway (PA) volume and cephalometric measurements. METHODS: A total of 305 patients with CT images were included in the study. DICOM images were transferred to the InVivoDental three-dimensional imaging software. The position of the HB was determined based on the cervical vertebra level and in volume render tab, the bone was classified into six types after all structures around the HB were removed. Also, final bone volume was rec

Differentiation between Polymyalgia Rheumatica (PMR) and Elderly-Onset Rheumatoid Arthritis Using 18F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography: Is Enthesitis a New Pathological Lesion in PMR?

BACKGROUND: It is difficult to differentiate polymyalgia rheumatica (PMR) from elderly-onset rheumatoid arthritis (EORA) in clinical practice. We compared FDG-PET/CT findings between patients with PMR and those with EORA and extracted factors useful for differentiating the two disorders. METHODS: We compared abnormal FDG accumulation sites and maximum standardized uptake value (SUVmax) between 15 patients with PMR and 7 with EORA in whom FDG-PET/CT was performed. RESULTS: The proportion of patients in the PMR group with abnormal FDG accumulation at the following 9 sites on FDG-PET/CT was sig

Multicenter investigation of lifestyle-related diseases and visceral disorders in thalidomide embryopathy at around 50 years of age.

BACKGROUND: In utero exposure to thalidomide causes a wide range of birth defects, including phocomelia, hearing loss and visceral disorders, known as thalidomide embryopathy (TE). Fifty years after the first report of TE, we conducted the first cross-sectional multicenter study to investigate the development of lifestyle-related diseases and identify risk factors for visceral disorders in subjects with TE. METHODS: Seventy-six cases with TE (31 men, 45 women) underwent medical examinations between 2011 and 2014 to determine the types of TE-related anomalies (limbs, auditory organs, or viscer

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… The causes of shoulder pain include block vertebrae, which were detected in 24 (11.1%) of the 217 subjects with TE diagnosed with this anomaly of the cervical vertebrae. …

Impact of focal apex angle on postoperative decompression status of the spinal cord and neurological recovery after cervical laminoplasty.

OBJECTIVE: Although anterior compression factors and cervical alignment affect neural decompression, cervical laminoplasty may be used to achieve indirect posterior decompression. The focal apex (FA) angle of the anterior compression factor of the spine represents the degree of anterior prominence toward the spinal cord. The authors investigated the mechanism underlying the influence of FA angle and cervical alignment on spinal cord alignment (SCA) after laminoplasty, including how high-intensity signal cord change (HISCC) on preoperative T2-weighted MRI (T2-MRI) may affect neurological improv

[Clinical observation to adjacent-segment disease after anterior cervical discectomy and fusion].

OBJECTIVE: To probe the etiopathogenisis of adjacent-segment disease by analyzing the imageology data and clinical neurological function in … nical natural change resulting from interbody fusion, destruction to ligament structure in front of cervical vertebrae by operation, and bone graft model are important factors not to be ignored.

Integrating cervical vertebral maturation and spheno-occipital synchondrosis on CT: a non-linear framework for probabilistic age estimation.

The aim of this study was to compare the developmental timing and variability of cervical vertebral maturation (C2–C4) and spheno-occipital … ntial overlap between advanced stages. Non-linear models demonstrated earlier inflection points for cervical vertebrae (approximately 15.8–16.6 years) than for SOS (approximately 18.9 years). Advanced cervical stages were associated with high probabilities of exceeding legal age thresholds, whereas complete SOS fusion alone showed lower discriminative value, particu …

Outcomes of Patients with Cervical Spinal Cord Injury Treated by Surgery and Their Prognostic Factors.

OBJECTIVE: To investigate the outcomes of patients with cervical spinal cord injury treated by surgery and their prognostic factors. METHODS: We retrospectively analyzed 139 patients with cervical spinal cord injury treated by surgery at our hospital, who were admitted between January 2017 and December 2018. Depending on the Barthel index at last follow-up, the patients were divided into the recovery group (n = 60, Barthel index > 45) and the nonrecovery group (n = 79, Barthel index ≤ 45). General information of patients in the two groups was compared. The significant factors were further int

One-stage posterior decompression and reconstruction of the cervical spine by using pedicle screw fixation systems.

OBJECT: This retrospective study was conducted to analyze the results of one-stage posterior decompression and reconstruction of the cervica … tory. Postoperative radiological evaluation revealed that 10 (5.3%) of 190 screws inserted into the cervical vertebrae had perforated the cortex of the pedicles; however, no neurovascular complications were caused by the perforations. CONCLUSIONS: The pedicle screw fixation procedure, which does not require the lamina to be used as a stabilizing anchor, has proven …

Comparative Analysis of Postoperative Sagittal Balance in Expansive Open-Door Laminoplasty versus Laminectomy with Fusion for Multilevel Ossification of Posterior Longitudinal Ligament: A Retrospective Study.

BACKGROUND This single-center study included 80 patients with multilevel cervical ossification of the posterior longitudinal ligament (OPLL) … LUSIONS Both procedures had good outcomes in neurological improvement. After posterior surgery, the cervical vertebrae all showed a tilting forward. Compared to LP, LF may change cervical balance in Cobb angel, T1S. LF has better efficacy in improving cervical lordosis compared with LP. Patients with high T1 slope after surgery may has more axial pain.

Analysis of sagittal alignment parameters following anterior cervical hybrid decompression and fusion of multilevel cervical Spondylotic myelopathy.

BACKGROUND: To investigate the relationships between sagittal parameters and health-related quality of life (HRQOL) scores following anterio … atistically significant (P < 0.05). CONCLUSION: This study showed that the sagittal balance of the cervical vertebrae changed significantly after ACHDF, showing a forward trend. The sagittal parameters after ACHDF were related to clinical prognosis. An excessive T1 s can be considered a risk factor. The T1 s could provide a reference value to determine the correcti …

Robotics in Cervical Spine Surgery: Feasibility and Safety of Posterior Screw Placement.

OBJECTIVE: Robot-assisted (RA) techniques have been widely investigated in thoracolumbar spine surgery. However, the application of RA methods on cervical spine surgery is rare due to the complex morphology of cervical vertebrae and catastrophic complications. Thus, the feasibility and safety of RA cervical screw placement remain controversial. This study aims to evaluate the feasibility and safety of RA screw placement on cervical spine surgery. METHODS: A comprehensive search on PubMed, Cochrane Library, Embase Database, Web of Science, Chinese National Knowledge Databases, and Wanfang Data…

Head injuries and the risk of concurrent cervical spine fractures.

BACKGROUND: Cervical spine injuries of variable severity are common among patients with an acute traumatic brain injury (TBI). We hypothesised that TBI patients with positive head computed tomography (CT) scans would have a significantly higher risk of having an associated cervical spine fracture compared to patients with negative head CT scans. METHOD: This widely generalisable retrospective sample was derived from 3,023 consecutive patients, who, due to an acute head injury (HI), underwent head CT at the Emergency Department of Tampere University Hospital (August 2010-July 2012). Medical re

Radiographic findings and anatomical variations of the caudal cervical area in horses with neck pain and ataxia: case-control study on 116 horses.

BACKGROUND: Abnormalities of the ventral lamina of the sixth cervical vertebra (AVL-C6) are thought to exert abnormal stress on the articular process joints (APJs) of the cervicothoracic junction. The aim of the study was to investigate the association between AVL-C6 and radiographic findings in the caudal cervical area and between clinical signs of neck pain and ataxia and radiographic findings. METHODS: Medical records of horses subjected to cervical radiography were reviewed. Horses were classified into those with neck pain (group C), those with ataxia (group A) and healthy horses (group H

[CT and MRI manifestation of primary spinal large B cell lymphoma].

OBJECTIVE: To investigate CT and MRI characteristics of primary spinal large B cell lymphoma. METHODS: CT and MRI data of 23 patients with … of lesions were observed and compared with pathology. RESULTS: Location and size of lesion showed cervical vertebrae in 1 case, thoracic vertebrae in 16 cases, lumbar vertebrae in 2 cases, and sacral vertebrae in 4 cases. Mass was larger, the largest cross-sectional size of group was up to 73 mm× 125 mm. CT examination showed that 11 cases with "cloud and mist" sh …

Dimensions of the cervical neural foramen in conditions of spinal deformity: an ex vivo biomechanical investigation using specimen-specific CT imaging.

PURPOSE: Patients with cervical spondylosis commonly present with neck pain, radiculopathy or myelopathy. As degenerative changes progress, multiple factors including disc height loss, thoracic kyphosis, and facetogenic changes can increase the risk of neural structure compression. This study investigated the impact of cervical deformity including forward head posture (FHP) and upper thoracic kyphosis, on the anatomy of the cervical neural foramen. METHODS: Postural changes of 13 human cervical spine specimens (Occiput-T1, age 50.6 years; range 21-67) were assessed in response to prescribed c

Subaxial injuries.

Injuries to the subaxial cervical spine must be suspected in any patient who suffers a head injury or complains of neck pain or neurologic symptoms of the arms or legs following an accident, particularly a motor vehicle or diving accident. Careful neurologic examination and lateral roentgenograms are indicated in all patients with suspected injury. If there is any neurologic deficit, fracture, or dislocation seen on roentgenogram, skull-traction tongs should be applied to provide stability and prevent further damage. If the neurologic examination and roentgenograms are normal, a stretch-test r