Overview Chronic granulomatous disease (CGD) is a rare, inherited primary immunodeficiency characterised by defective function of the NADPH oxidase enzyme complex in phagocytes, leading to failure of the…

Overview Systemic sclerosis–associated interstitial lung disease (SSc-ILD) is one of the most common and severe internal organ manifestations of systemic sclerosis (SSc), occurring in up to 50–60% of patients…

Overview Nephritic syndrome is one of two clinical patterns seen in glomerular disease. Nephritic Syndrome is characterised by haematuria, proteinuria, hypertension and oligouria. Nephritic syndrome can…

Overview Glomerulonephritis is inflammation of the glomerulus.  Glomerulonephritis is classified by clinical syndrome/presentation (e.g. nephritic or nephrotic syndrome), histological appearance , or…

Overview Graves’ disease is the most common cause of hyperthyroidism, caused by an autoimmune reaction in which TSH receptor autoantibodies stimulate the thyroid gland, leading to an increase in the production…

Overview Reactive arthritis is a seronegative spondyloarthropathy that occurs after a genitourinary or gastrointestinal infection, typically presenting as an asymmetric oligoarthritis, often with…

Overview Psoriatic arthritis (PsA) is a chronic, immune-mediated inflammatory arthritis associated with psoriasis, affecting up to 30% of patients with skin psoriasis. It commonly presents in adults aged 30–50…

Overview Enteropathic arthritis is a subtype of spondyloarthropathy associated with inflammatory bowel disease (IBD), particularly Crohn’s disease and ulcerative colitis. It affects up to 20% of IBD patients,…

Overview Caplan syndrome, also known as rheumatoid pneumoconiosis, is a rare condition seen in patients with rheumatoid arthritis (RA) who have had occupational exposure to inhaled dust, particularly coal dust…