Epidemiology of maxillofacial injuries in "Heratsi" No 1 university hospital in Yerevan, Armenia: a retrospective study.

Background: The aim of this study was to perform a retrospective analysis of the prevalence, etiologies, types of maxillofacial injuries (MFIs), sites of maxillofacial fractures (MFFs) and their management in Yerevan, Armenia.

Methods: A retrospective cross-sectional study was conducted. The extracted data included age, sex, date of referral, mode of injury, etiology, radiology records and treatment methods.

Schwannoma of the brachial plexus with cystic degeneration: A case report schwannoma of the brachial plexus.

Schwannoma of the brachial plexus can be present as a painless swelling without an upper limb functional or sensitivity deficiency. Thorough examinations, including MRI, are necessary to identify the nerves of origin and prevent potential harm.