What is the difference between pseudogout and gout?

In pseudogout, or CPPD, crystals of pyrophosphate dihydrate form in your joints causing pain. Gout, on the other hand, is caused by the formation of monosodium urate crystals due to high levels of uric acid. The crystals form around your joints, causing pain.

What is Martel sign?

1. Radiographically, the classic finding of gout is a punched out lytic lesion with sclerotic margin and overhanging edge, known as the “Martel sign,” “G-sign,” or “rat-bite” erosion. 2. The first name is an eponym after Dr William Martel who first described this radiographic appearance in 1968.

Do gouty tophi calcify?

These calcifications could be the result of a persistent inflammation taking place within tophi as proven by histological studies5. Severe cases of tophaceous gout are responsible for joint destruction and severe disability.

What is the significance of tophi?

Tophi often look like swollen, bulbous growths on your joints just under your skin. Tophi are a symptom of gout, a condition where uric acid crystallizes in joints like those in your feet and hands. Gout can cause episodes of severe pain called gout attacks.

What are sodium urate crystals?

Term Description. Sodium urate crystals may appear in acidic urines as small, brown needle-like crystals. The crystals are soluble in 10% acetic acid and are sometimes found in patients with cystitis. Sodium urate crystals are the sodium salt of uric acid crystals.

What are Tophi made of?

Tophi are large, visible bumps made of urate crystals. “They can form in joints, bone, or cartilage,” says Kaitlin A. Quinn, MD, a rheumatologist at Medstar Georgetown University Hospital. You might find them on your elbow, hands, feet, or the outer edge of your ear.

Can gout be seen on MRI?

MRI is sensitive in showing soft-tissue and osseous abnormalities of gout, although the imaging findings are not specific. Gout commonly involves specific joints and anatomic structures, and knowledge of these sites and imaging appearances are clues to the correct diagnosis.

When do you need an overhang on a container?

Container overhang requirements for intermodal containers involved in both Interstate commerce (that crosses state lines) and Intrastate (within California) are as follows: On container chassis: All lower corners of the intermodal container must be secured to the container chassis.

What does it mean when your hip is overhanging?

Overhanging Edges Arthritis. The other type is pincer impingement, which occurs when the socket of the hip ( acetabulum) is excessively deep or overhangs in some areas. The overhanging rim can impinge on the neck of the femur and the labrum is caught in between. In both cases, pain and arthritis can result.

How big of a flag do you need for a car overhang?

a single solid red or fluorescent orange flag or cloth not less than 18 inches square if the projecting load is two feet wide or less. Two warning flags or cloths are required if the projecting load is wider than two feet. Flags or cloths shall be located to indicate maximum width of loads that extend beyond the sides or rear of the vehicle.

Can a corneal ulcer have an overhanging edge?

The central edges of the ulcer can develop an overhanging edge with or without opacification, and neovascularization of the cornea can occur, extending from the limbus into the ulcer. Rheumatoid arthritis (RA) can cause peripheral corneal ulcers that start as grey, swollen areas within 2 mm of the limbus.

What is the difference between pseudogout and gout? In pseudogout, or CPPD, crystals of pyrophosphate dihydrate form in your joints causing pain. Gout, on the other hand, is caused by the formation of monosodium urate crystals due to high levels of uric acid. The crystals form around your joints, causing pain. What is Martel sign?…