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It has long been recognized that environmental influences play an important role in the risk of developing Autoimmune disease. Defining specific pathogenic environmental mediators that may trigger the development or progression of autoimmune disease remains a focus of increasing investigative effort. Factors promoting disease may not be identical to factors that influence the severity or progression of the disorder. The cause(s) of autoimmune disorders remain largely unknown. Considerable evidence supports a role for environmental agents in inducing autoimmune disorders. OBJECTIVES: The study aims to explore the risk factors of autoimmune diseases among attendants of general hospitals in Aseer Region. Methods: case control study design was carried out included 70 patients with multiple types of auto immune diseases attending general hospitals and primary health care centers in Abha city. They were clinically diagnosed as having autoimmune diseases. and 140 clinically free subjects , age and sex matched were included as controls. RESULTS: The present study included 70 autoimmune disease patients predominantly females (88.4%). Their mean age was 42.7 ± 12.1 years and disease duration was 11.2 ± 7.2 years. The mean age of the control group was 47.1 ± 13.6 years with no significant differences in the demographic data between the patients and control (p > 0.05). This study found no significant differences between cases with autoimmune diseases and sociodemographic characteristics. Conclusion :There is multiple determinants and risk factors affecting the occurrence of autoimmune diseases. Familial history, psychological stresses, hormonal supplementation, using hair dyes, smoking and recent vaccination were significant factors associated with autoimmune diseases.

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Purpose: Fungal infections of the central nervous system (CNS) are potentially lethal conditions with high morbidity and mortality. In this review, we summarise the most common clinical manifestations, diagnostic methods, and treatment strategies for intracranial fungal infection at two tertiary care teaching hospitals. Material and methods: Prospective hospital study is carried out at Department of Neurosurgery; Assiut and Suhaj University Hospitals between January2010 to January 2018 (Minimum 12-months follow-up). Radiographs and hospital data of 74 patients with proven intracranial fungal infections were gathered and analyzed. There were no exclusion criteria: age, gender, clinical presentations, immunity status, radiological findings, laboratory, and microbiological data, types of management and outcome. In surgically treated patients, diagnosis was confirmed by pathologic evaluation. Gathered data were coded and entered into a computer and analyzed using SPSS version 22. Results: The greatest number of the patients had 40 to 60 years old (49; 66%) and the mean age was 44 years. There was an overwhelming male patient’s ranged preponderance 66%; 49 cases. Sixty-three patients (85%) were immunosuppressed; 11 cases (15%) were immunocompetent. The most common causes of immunosuppression were diabetes 27 patients; 43%, on chemotherapeutic agents 19 patients; 31%, on corticosteroid 16 patients; 25% and AIDS in one patient; 1%. Five different fungal types were identified but Cryptococcus spp. was the most common cause of CNS fungal infection, occurring in 39 patients (53%). This was followed by Candida spp. in 14 patients (19%), Aspergillus in 11 patients (15%), Blastomyces in 7 patients (9%) and Coccidiosis in 3 patients (4%). Headache was the most common presenting symptom, occurring in 33 patients (45%). Other relatively common symptoms were nausea or vomiting 11 patients (15%), fever 10 patients; (13%), seizures 9 patients (12%), acute mental status changes 8 patients; (11%) and stroke like Symptoms 3patients (4%). Different surgical procedures were done. Stereotactic biopsy is in 19 patients (deep; located in an eloquent region of the brain or multiple small lesion) or excision in 38 patients (cortical, relatively accessible regions of the brain), and CSF shunting in 17 patients. All patients received parenteral and, in some cases, oral antifungal chemotherapy in addition to surgical therapy. Overall mortality was 52.7% (39 deaths). An additional 8 surviving patients exhibited permanent morbidity due to neurological deficits and seizure disorders. Conclusion: This prospective population study demonstrates an insight into the intracranial fungal infection and management. CNS fungal infections have increased in frequency, particularly in immunocompromised patients; most infections are caused by Cryptococcus spp. Diabetes was the most common cause of immunosuppression and headache was the most common symptom at presentation. CNS fungal infection is still associated with a high mortality and morbidity. Prompt diagnosis; early and appropriate medical and surgical management are fundamental to optimize the outcome.

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