C5 palsy after cervical laminectomy: natural history in a 10-year series.

Background Context: C5 palsy is a well-known complication following cervical laminectomy, however the cause of this complication remains elusive, with many studies providing conflicting reports on prognosis and the impact of specific risk factors.

Purpose: To describe the natural history of and risk factors for C5 palsy after first time cervical laminectomy involving C4 and/or C5, in a large series with a high rate of postoperative palsy.

Study Design/setting: This is a retrospective case series.

Heterotopic ossification post COVID-19: Report of two cases.

Heterotopic ossification is often associated with trauma and surgery, and infrequently reported with immobilization due to critical illness. We present 2 patients who developed heterotopic ossification following severe COVID-19 infection. Both patients were middle-aged females who were hospitalized for one month or greater due to COVID-19 requiring mechanical ventilation.

A practical radiographic visual estimation technique for the prediction of developmental narrowing of cervical spinal canal.

Objectives: To determine if visual spinal canal percentage of facet overlap could be used as a rapid visual pre-screening test to detect developmental bony spinal canal narrowing on lateral cervical radiographs.

Methods: Lateral cervical spine radiographs with radiology report documenting developmental narrowing of the spine canal were retrospectively identified. Cohort was supplemented with additional images without such documentation.

Ultrasound risk stratification for malignancy using the 2015 American Thyroid Association Management Guidelines for Children with Thyroid Nodules and Differentiated Thyroid Cancer.

Background: The 2015 American Thyroid Association (ATA) Management Guidelines for Children with Thyroid Nodules and Differentiated Thyroid Cancer provides selection criteria for nodules prior to ultrasound-guided fine-needle aspiration biopsy.

Objective: To evaluate the diagnostic performance of pediatric thyroid nodule risk stratification for predicting malignancy when applying the ultrasound (US) criteria recommended.

Materials And Methods: US characteristics of 39 thyroid nodules in 33 pediatric patients who underwent US fine-needle aspiration biopsy were reviewed by two radiologists.

Evaluation of rezasurin microtiter assay and high resolution melting curve analysis for detection of rifampicin and isoniazid resistance of Mycobacterium tuberculosis clinical isolates.

Background: Several methods have been proposed for rapid detection of drug resistance of Mycobacterium tuberculosis (M. tuberculosis). High resolution melting (HRM) curve analysis has been developed for accurate and simultaneous detection of resistance of M.