Nitrous oxide-induced myeloneuropathy.

Background And Purpose: Nitrous oxide misuse is a recognized issue worldwide. Prolonged misuse inactivates vitamin B12, causing a myeloneuropathy.

Methods: Twenty patients presenting between 2016 and 2020 to tertiary hospitals in Sydney with myeloneuropathy due to nitrous oxide misuse were reviewed.

Increased Added Sugar Consumption Is Common in Parkinson's Disease.

There is limited information about the dietary habits of patients with Parkinson's Disease (PD), or associations of diet with clinical PD features. We report on nutritional intake in an Australian PD cohort. 103 PD patients and 81 healthy controls (HCs) completed a validated, semi-quantitative food frequency questionnaire.

Varicella-zoster meningitis in an immunocompetent young man presenting with a painless erythematous rash.

A 32-year-old man presented with a 7-day history of generalised headache, intermittent fever, emesis and diarrhoea. Four days after symptom onset, he developed a vesicular rash on his medial left thigh, without associated pain, paraesthesia or pruritus. He had no significant past medical history, and no HIV risk factors.

Mild cognitive impairment in Parkinson's disease: a review of current concepts.

Mild Cognitive Impairment in Parkinson's Disease (PD-MCI) is common and may be associated with accelerated progression to dementia. Considering the importance of this emerging entity, new diagnostic criteria have recently been proposed. Early recognition and accurate classification of PD-MCI could offer opportunities for novel therapeutic interventions.