gouty tophi

gouty tophi

Chalky crystalline nodules of a urate salt which may accumulate in the ear cartilage in gout and break through the skin to appear externally.
References in periodicals archive ?
Mechanical blockage within the knee secondary to gouty tophi has been demonstrated as a rare cause of limited ROM and locking symptoms.
Ultrasound may also be useful in identifying possible underlying causes such as rheumatoid nodules and gouty tophi.
Although not rare, carpal tunnel syndrome (CTS) caused by gouty tophi is still uncommon according to the literature, (3) and its presence indicates the severity of untreated gouty tophi.
In patients with a long evolution of hyperuricemia and many acute attacks, gout can also be found in a chronic form, having as a main manifestation the gouty tophi (tophus = a friable and porous stone), a tophus being a deposit of small monosodium urate crystals surrounded by inflammatory cells.
On a 3D coloured display gouty tophi were observed, the same feature not always being detected on 3T MRI scan.
Gouty tophi may produce bony erosions and cystic changes of the adjacent bone resulting in chronically deforming arthritis.
About half of cases involve the big toe, but it can present as gouty tophi (a deposit of monosodium urate crystals in the joints, cartilage, bone, and throughout the body that may break out through the skin), kidney stones, or urate nephropathy.
Lumbar radiculopathy secondary to gouty tophi in the filum terminate in a patient without systemic gout: case report.
Gouty tophi involving the external ear may occur in the helix and antihelix, presenting as firm nodules that may ulcerate.
1) Gouty tophi and pseudogout (chondrocalcinosis articularis) are in the differential diagnosis of periarticular nodules.
There is limited number of papers reporting gouty tophi that mimics malignancy radiologically.
A general screening examination did not show evidence of any subcutaneous gouty tophi about the upper and lower extremities.