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 Pseudogout, more accurately known as calcium pyrophosphate deposition disease (CPPD), is a crystal arthropathy characterized by the deposition of calcium pyrophosphate dihydrate crystals in…

Overview Hypothyroidism is a clinical state resulting from underproduction of the thyroid hormones T4 and T3. Most cases (95%) are due to primary hypothyroidism, a failure of the thyroid gland to produce…

Overview Pericarditis is the most common form of pericardial disease and a relatively common cause of chest pain. The etiology of pericarditis may be infectious (eg, viral and bacterial) or noninfectious…

Overview Myasthenia Gravis (MG) is a chronic autoimmune neuromuscular disorder where antibodies target acetylcholine receptors (AChR) or MuSK proteins at the post-synaptic membrane, impairing…

Overview MCTD is a systemic autoimmune rheumatic disease characterized by overlapping clinical features of systemic lupus erythematosus (SLE), systemic sclerosis (SSc), polymyositis, with rheumatoid arthritis…

Overview Basic Calcium Phosphate (BCP) disease is a crystal-associated arthropathy characterized by deposition of BCP crystals in periarticular and intra-articular tissues. A severe clinical presentation of…

Overview Kawasaki disease is an acute systemic vasculitis affecting small and medium-sized vessels predominantly affecting children under 5 years old. It is the leading cause of acquired heart disease in…

Overview  Inflammatory bowel disease is a common condition. It is divided into two types: Crohn disease and Ulcerative colitis. Both these condition differ in pathology, progression and complication, but they do…