Crystal arthropathy

Crystal arthropathy (pronounced: kris-tal ar-throp-a-thy) is a class of joint disorders characterized by the deposition of microscopic crystals in the joint space.

Etymology

The term "crystal arthropathy" is derived from the Greek words "krystallos" meaning "ice clear", "arthron" meaning "joint", and "pathos" meaning "suffering".

Types

There are several types of crystal arthropathy, including:

• Gout: This is the most common type of crystal arthropathy, caused by the deposition of monosodium urate crystals.
• Pseudogout: Also known as calcium pyrophosphate deposition disease (CPPD), it is caused by the deposition of calcium pyrophosphate crystals.
• Hydroxyapatite crystal disease: This is a less common type, caused by the deposition of calcium hydroxyapatite crystals.

Symptoms

The symptoms of crystal arthropathy can vary depending on the type, but generally include:

• Joint pain
• Swelling
• Redness
• Warmth
• Stiffness

Diagnosis

Diagnosis of crystal arthropathy typically involves a combination of clinical history, physical examination, and laboratory tests. The definitive diagnosis is made by identifying the type of crystals in the joint fluid under a microscope.

Treatment

Treatment of crystal arthropathy aims to relieve symptoms and prevent future attacks. This may involve:

• Nonsteroidal anti-inflammatory drugs (NSAIDs)
• Corticosteroids
• Colchicine
• Allopurinol (for gout)
• Probenecid (for gout)

See also

• Arthritis
• Rheumatology
• Joint effusion
• Synovial fluid

External links

• Medical encyclopedia article on Crystal arthropathy
• Wikipedia's article - Crystal arthropathy

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