Rare Spinocerebellar Ataxia Types in Canada: A Case Series and Review of the Literature.

Background: There is limited information on rare spinocerebellar ataxia (SCA) variants, particularly in the Canadian population. This study aimed to describe the demographic and clinical features of uncommon SCA subtypes in Canada and compare them with international data.

Methods: We conducted a case series and literature review of adult patients with rare SCA subtypes, including SCA5, SCA7, SCA12, SCA14, SCA15, SCA28, SCA34, SCA35 and SCA36.

Prevalence of autism spectrum disorder among Saudi children between 2 and 4 years old in Riyadh.

Objectives: We aimed to estimate the prevalence of autism spectrum disorder between 2 and 4 years old in Riyadh, Saudi Arabi Methods: A cross-sectional study was conducted among Saudi children aged 2-4 years between December 2017 and March 2018 at five different hospitals in Riyadh.

Results: A Total of 398 children were included. The prevalence of ASD was estimated to be (2.

Prevalence and determinants of distress among oncology patients at a tertiary care medical city in Riyadh, Saudi Arabia.

Objectives: To estimate the prevalence of distress in patients with cancer in Saudi Arabia and to identify common psychosocial stressors in these patients. We also looked for associations between distress and psychological, sociodemographic, and medical factors.

Methods: This cross-sectional study was performed in the oncology outpatient clinic at King Saud University Medical City, Riyadh, Saudi Arabia, from January 2018 to December 2019.