Clinical medicine (London, England)
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Case Reports
Lesson of the month 1: Neurosyphilis mimicking viral encephalitis and ischaemic stroke.
With the incidence of syphilis more than doubling over the last decade, knowledge of its manifestations is of increasing importance. Yet, today's clinicians are less experienced in the recognition of syphilis than the physicians of Osler's day. In this case, a 56-year-old man presented with acute confusion and a history suggestive of encephalitis. ⋯ This variability adds to the challenge of diagnosis. Thus syphilis serology screening should be sent in those presenting with acute confusion and neuroimaging abnormalities. In cases of cryptogenic stroke, syphilis serology should be added to the screening tests.
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Interpreting pleural fluid results correctly requires an awareness of the possible aetiologies of a pleural effusion and an understanding of the reliability of the outcome of each investigation. All results must be interpreted within each different clinical context and knowledge of the pitfalls for each test is necessary when the diagnosis is unclear. This review aims to discuss the common aetiologies of a pleural effusion and some of the pitfalls in interpretation that can occur when the diagnosis is unclear.
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The use of regular infusions of immunoglobulin is well established as a treatment for patients with antibody deficiency and for patients requiring immunomodulation. Although efficacy is believed to be equivalent for the different immunoglobulin products, it is generally regarded as best practice not to switch from one product to another unless there is a clinical reason to change. Changes in commissioning guidance and issues with the supply of some immunoglobulin products to the UK resulted in a requirement for a significant number of patients to switch between immunoglobulin products in 2017-2018. ⋯ Results from 30 immunology centres reported a total of 802 immunoglobulin product switches. Twelve reactions were recorded, none of which required admission to hospital, one patient was treated with oral corticosteroids, the others required either no treatment or treatment with oral antihistamines. This review of immunoglobulin product switch reactions gives a clearer indication regarding the safety of product switching than has previously been published.