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Artistic depiction of pseudogout crystals (calcium pyrophosphate dihydrate crystals) Calcium pyrophosphate dihydrate (CPPD) crystal deposition disease, also known as pseudogout and pyrophosphate arthropathy, is a rheumatologic disease which is thought to be secondary to abnormal accumulation of calcium pyrophosphate dihydrate crystals within joint soft tissues. [1]
Patellofemoral pain syndrome (PFPS; not to be confused with jumper's knee) is knee pain as a result of problems between the kneecap and the femur. [4] The pain is generally in the front of the knee and comes on gradually. [2] [4] Pain may worsen with sitting down with a bent knee for long periods of time, excessive use, or climbing and ...
Osteoarthritis ( OA) is a type of degenerative joint disease that results from breakdown of joint cartilage and underlying bone. [ 5][ 6] It is believed to be the fourth leading cause of disability in the world, affecting 1 in 7 adults in the United States alone. [ 7] The most common symptoms are joint pain and stiffness. [ 1]
This is a shortened version of the thirteenth chapter of the ICD-9: Diseases of the Musculoskeletal System and Connective Tissue. It covers ICD codes 710 to 739 . The full chapter can be found on pages 395 to 415 of Volume 1, which contains all (sub)categories of the ICD-9.
Acute septic arthritis, infectious arthritis, suppurative arthritis, pyogenic arthritis, [ 4] osteomyelitis, or joint infection is the invasion of a joint by an infectious agent resulting in joint inflammation. Generally speaking, symptoms typically include redness, heat and pain in a single joint associated with a decreased ability to move the ...
Orthopedics. A tear of a meniscus is a rupturing of one or more of the fibrocartilage strips in the knee called menisci. When doctors and patients refer to "torn cartilage" in the knee, they actually may be referring to an injury to a meniscus at the top of one of the tibiae. Menisci can be torn during innocuous activities such as walking or ...
Crystal arthropathy is a class of joint disorder (called arthropathy) that is characterized by accumulation of tiny crystals in one or more joints. Polarizing microscopy and application of other crystallographic techniques have improved identification of different microcrystals including monosodium urate, calcium pyrophosphate dihydrate ...
Hemarthrosis. Lipohemarthrosis (blood and fat in the joint space) seen in a person with a subtle tibial plateau fracture. The arrow indicates a fluid level between the upper fat component and the lower blood component. Hemarthrosis is a bleeding into joint spaces.