No abstract available.
Chondrocalcinosis*

The latest recommendations for the diagnosis and management of crystal-induced arthritis, such as gout and calcium pyrophosphate dihydrate (CPPD) deposition disease, recognize the diagnostic potential of musculoskeletal ultrasonography (MSUS). MSUS allows rapid, highly sensitive, non-invasive detection of microcrystal aggregates in multiple anatomic areas, and can be used as a safe, reliable guide for aspiration of articular and periarticular specimens suitable for microscopic analysis. MSUS can also be used to monitor disease after treatment. Ultrasonographic differentiation between gout and CPPD deposition disease is based on the characteristics of crystal aggregates and their preferential localization in different anatomical areas. This rapid assessment may profoundly affect the clinical process, avoiding expensive, time-consuming diagnostic procedures. This article reviews the current status of and recent advances in MSUS imaging in crystal-induced arthritis.
Arthritis* ; Calcium Pyrophosphate ; Chondrocalcinosis ; Diagnosis ; Gout ; Ultrasonography

Chondrocalcinosis ; Humans ; Temporomandibular Joint ; Temporomandibular Joint Disorders

Calcium pyrophosphate dihydrate (CPPD)crystal deposition disease is one of the most common causes of arthralgia in elderly.The acute form (pseudogout) may present as acute monoarticular or polyarticular arthritis.It is often accompanied by high fever and sometimes simulates acute infectious condition.The knee is the joint most frequently affected by pseudogout but other sites such as wrist,shoulder,ankle,elbow and hands may be affected.A few cases involving cervical and lumbar spine mistaken for CNS infection have also been described in foreign countries.We report here a case of CPPD crystal deposition disease mimicking meningitis.
Arthralgia ; Calcium Pyrophosphate* ; Calcium* ; Chondrocalcinosis ; Fever ; Hand ; Joints ; Knee ; Meningitis ; Spine

We report a case of calcium pyrophosphate dihydrate crystal deposition disease (CPDD) presenting as an acute polyarthritis. A 66-yr-old woman was admitted with a 5-day history of fever and multiple joint pain including wrists, elbows, shoul-ders, knees, and ankles developed 5 days before admission. Her plain radiographs of wrists, elbows, shoulders, knees, and ankles showed chondrocalcinosis. The pubic symphysis, lumbar intervertebral discs, and both hip joints, which were asymptomatic, also had calcium deposits. The compensated polarized microscopic examination of the joint fluid, aspirated from the right knee revealed intracellular and extracellular weakly positive birefringent crystals, confirming the CPDD. This case showed that CPDD may manifest as an acute polyarthritis mimicking acute onset rheumatoid arthritis.
Acute Disease ; Aged ; Arthritis/*radiography/radionuclide imaging ; Chondrocalcinosis/*radiography/radionuclide imaging ; Diagnosis, Differential ; Female ; Humans

Carpal tunnel syndrome (CTS) caused by pseudogout is an uncommon disease. The authors report a 65-year-old female who complained of sudden pain and neurological symptoms on her left hand. Surgical decompression was performed. In the histologic study, a calcium pyrophosphate dihydrate crystal deposit was confirmed. Her pain and neurological symptoms were relieved. Because CTS caused by pseudogout is rare, it is difficult to differentiate it from other diseases. This paper reports an uncommon case of CTS caused by pseudogout.
Aged ; Calcium Pyrophosphate ; Carpal Tunnel Syndrome ; Chondrocalcinosis ; Decompression, Surgical ; Female ; Hand ; Humans ; Median Nerve

Calcium pyrophosphate dihydrate crystal deposition disease is associated with an acute mono- or pauciarthritis, termed "pseudogout" in elderly patients, involving a large joint (including the knees, ankles) or a chronic arthropathy manifesting as mild joint pain and stiffness. Pseudogout is a crystal-deposition disease of peripheral joints, usually encountered in elderly patients. However, acute presentation of pseudogout around the odontoid process comprises a "crowned-dens" appearance, and requires contemplation of differential diagnoses. We recently experienced a case of pseudogout in the cervical spine presenting with fever and acute neck pain that was successfully treated with a colchicine and low-dose oral steroid. We reported this case with a review of the relevant literature.
Aged ; Arthralgia ; Calcium Pyrophosphate ; Chondrocalcinosis* ; Colchicine ; Diagnosis, Differential ; Fever ; Humans ; Joints ; Knee ; Neck Pain ; Neck* ; Odontoid Process ; Spine

PURPOSE: Calcium pyrophosphate dihydrate crystal deposition disease(CPPD) is a disease of the elderly and extremely rare in young individuals. If young people develop CPPD crystal deposition disease, it may be associated with metabolic diseases, such as hemochromatosis, hyperparathyroidism, hypophosphatasia, hypomagnesemia, Wilson's disease, hypothyroidism, and gout. MATERIALS AND METHODS: Therefore, in young-onset CPPD crystal deposition disease, an investigation of any predisposing metabolic conditions is warranted. CONCLUSION: We report a case of a young female patient who presented with idiopathic CPPD crystal deposition disease at 25 years of age.
Aged ; Calcium ; Calcium Pyrophosphate ; Chondrocalcinosis ; Diphosphates ; Female ; Gout ; Hemochromatosis ; Hepatolenticular Degeneration ; Humans ; Hyperparathyroidism ; Hypophosphatasia ; Hypothyroidism ; Metabolic Diseases

Calcium pyrophosphate dihydrate (CPPD) deposition disease is a heterogeneous group of diseases with CPPD crystal deposition. Aging is the most common risk factor for CPPD deposition, followed by osteoarthritis and previous injury. Occasionally, CPPD depositions are associated with familial predisposition and metabolic diseases, including hemochromatosis, primary hyperparathyroidism, hypophosphatasia, and hypomagnesemia. CPPD deposition diseases associated with primary hyperparathyroidism in Koreans have rarely been reported. Thus, we report a case of a relatively young female patient with CPPD deposition disease associated with primary hyperparathyroidism, which was diagnosed through a polarized microscopic examination of the synovial fluid and a subtotal parathyroidectomy.
Aging ; Calcium Pyrophosphate ; Chondrocalcinosis* ; Female ; Hemochromatosis ; Humans ; Hyperparathyroidism, Primary* ; Hypophosphatasia ; Metabolic Diseases ; Osteoarthritis ; Parathyroidectomy ; Risk Factors ; Synovial Fluid

Calcium pyrophosphate dihydrate deposition disease (CPPD) is an inflammatory arthropathy that is defined by the deposition of CPPD crystals in articular and periarticular structures. The cervical ligamentum flavum is a rare location of CPPD deposition. A 65-year-old woman was admitted with complaints of neck pain and a tingling sensation and numbness below the xiphoid process for 2 months. Magnetic resonance (MR) imaging and computed tomography (CT) revealed compression of the spinal cord due to a nodular calcified mass in or attached to the ligamentum flavum at the C4-5, C5-6, or C6-7 level. The patient underwent a laminectomy at C4-5, C5-6, and C6-7, and resectioning of calcified extradural nodules that impinged on the cervical cord. The operation resulted in a resolution of neck pain and hypoesthesia, except in the feet. Histopathological examination of the excised specimen revealed rectangular CPPD crystals. Here, we report a case of compressive cervical spine due to CPPD deposition disease of the cervical spine and describe the literature relevant to CPPD deposition disease of the cervical spine.
Aged ; Calcium Pyrophosphate* ; Calcium* ; Chondrocalcinosis ; Female ; Foot ; Humans ; Hypesthesia ; Laminectomy ; Ligamentum Flavum* ; Neck Pain ; Sensation ; Spinal Cord ; Spine