Comprehensive Classification of the Capitellar Injury Concurrent with Radial Head Fracture.

Background: Capitellar injury (CI) includes capitellar cartilage injury (CCI) and capitellar fracture (CF). A comprehensive classification of CI concurrent with radial head fracture (RHF) that can guide surgical strategy is lacking in the literature. Therefore, this study aimed to introduce a comprehensive classification of CI concurrent with RHF and investigate its value.

Clinical features of cluster headache: an outpatient clinic study from China.

Objective: The aim of this study was to investigate the clinical characteristics of cluster headache (CH) in a neurology outpatient population in China.

Methods: A cross-sectional survey was conducted from June to December 2011 in a tertiary care, university-affiliated hospital. All consecutive patients citing headache as their chief complaint were asked to participate in a face-to-face interview with a qualified headache specialist and to complete a detailed self-administered questionnaire.