Rheumatoid Arthritis – Symptoms, Causes and Treatment

Rheumatoid Arthritis Definition Rheumatoid Arthritis – a chronic, autoimmune disorder in which nodules and inflammation develop within the synovial capsules of the joints, causing erosion of the bone and connective tissues, eventually deforming the joint. Synovial membranes encapsulate the joints and secrete synovial fluid, which lubricates the structures of the joint so they move smoothly […]

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Sarcoidosis – Symptoms and Treatment

Sarcoidosis Definition An inflammatory disorder in which multiple granulomas (nodules of hardened lymph and fibrous tissues) form in organs and tissues throughout the body. Sarcoidosis most commonly affects the lungs, liver, lymph nodes, eyes, and skin, though can affect any body structure. The granulomas typically have alternating growth and remission stages, though generally cause permanent scarring. Though most […]

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Severe Combined Immunodeficiency Disease (SCID)

Severe Combined Immunodeficiency Disease Definition A rare, genetic immune disorder in which an infant is born with severely deficient immune capability due to the absence of leukocytes. Because the infant receives passive immunity from his or her mother at birth (and through breastfeeding), the deficiency often is not apparent until age three to six months or […]

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Sjögren’s Syndrome (disease) Symptoms and Treatment

Sjögren’s Syndrome Definition An autoimmune disorder that affects the glands that provide moisture for the mucous membranes, notably the lacrimal (tear) glands and the salivary glands. Sjögren’s syndrome exists in one of three forms: Primary, in which the only structures it affects are the exocrine glands and the main symptom is dryness Secondary, in which […]

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Systemic Lupus Erythematosus (SLE) – Symptoms and Treatment

Systemic Lupus Erythematosus Definition A chronic autoimmune disorder in which the immune response creates antibodies that attack the cells of various organs. SLE is a type III hypersensitivity reaction (immune complex reaction) that most commonly develops between the ages of 15 and 40. Nine times as many women than men have SLE, and SLE is three times more common […]

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Vasculitis (disease) – Symptoms and Treatment

Vasculitis Definition Vasculitis – a group of autoimmune disorders in which the epithelium (lining) of the blood vessels becomes inflamed. The inflammation causes localized pain and swelling. There are numerous forms of vasculitis. They share common characteristics and symptoms though each of which has unique traits. Vasculitis may be acute (come on suddenly, run its course, and be over) or chronic (symptoms […]

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