What Is Triscaphe Arthritis?


The common symptoms of basal joint arthritis include swelling, stiffness and decreased strength when gripping or holding objects with the affecting hand. Pain in the thumb area is, of course, the most common symptom, and sometimes the base of your thumb may appear to be out-of-joint or swollen.

Where is the Scaphotrapeziotrapezoid joint?

Anatomy. The Scaphotrapeziotrapezoid (STT) or triscaphe joint is the joint that is shared between the scaphoid, trapezium, and trapezoid wrist bones.

Is the STT joint in the wrist?

What is STT arthritis? This is arthritis occurring between three bones in the wrist; the Scaphoid, the Trapezium and the Trapezoid.

What stabilizes the wrist joint?

The triquetrum bone is the last bone found in the first row of carpal bones. It’s located closest to the pinky finger. It helps to stabilize the wrist and allows the joint to bear more weight.

What is a SNAC wrist?

Scaphoid non-union advanced collapse (SNAC) is a complication that can occur with scaphoid fractures, specifically non-union of scaphoid fractures. It is essentially the same sequela of wrist injury causing scapholunate dissociation as seen in scapholunate advanced collapse (SLAC).

What is Scaphotrapeziotrapezoid arthritis?

Scaphotrapeziotrapezoidal (STT or triscaphe joint) arthritis is common, occurring in ~40% of wrist radiographs. It is typically degenerative (i.e. osteoarthritis) affecting the triscaphe articulation and presents with radial-sided wrist pain in patients over 50 years 1,2. It can be associated with DISI alignment 3.

Is scaphoid hand or wrist?

The scaphoid bone is one of the carpal bones on the thumb side of the wrist, just above the radius. The bone is important for both motion and stability in the wrist joint. The word “scaphoid” comes from the Greek term for “boat.” The scaphoid bone resembles a boat with its relatively long, curved shape.

What is DIP and PIP joints?

“proximal interphalangeal joints” (PIJ or PIP), those between the first (also called proximal) and second (intermediate) phalanges. “distal interphalangeal joints” (DIJ or DIP), those between the second (intermediate) and third (distal) phalanges.

What are the 5 worst foods to eat if you have arthritis?

The 5 Best and Worst Foods for Those Managing Arthritis Pain

  • Trans Fats. Trans fats should be avoided since they can trigger or worsen inflammation and are very bad for your cardiovascular health. …
  • Gluten. …
  • Refined Carbs & White Sugar. …
  • Processed & Fried Foods. …
  • Nuts. …
  • Garlic & Onions. …
  • Beans. …
  • Citrus Fruit.

What does Basal thumb arthritis look like?

Appearance. The thumb may appear swollen, especially at its base, and you may develop a bony bump. Overall, the base of the thumb can take on an enlarged appearance. One alarming sign of thumb arthritis is improper alignment of the joint as it shifts from its normal positioning.

At what age does arthritis usually start?

It most commonly starts among people between the ages of 40 and 60. It’s more common in women than men. There are drugs that can slow down an over-active immune system and therefore reduce the pain and swelling in joints.

Why does my CMC joint hurt?

It often results from a combination of factors including family/work history, repetitive motions with applied force, awkward thumb postures from sports, work or recreational activities, previous fractures, trauma or dislocations to the thumb.


Where is the triquetrum?

The triquetrum is one of eight carpal bones that forms part of the wrist joint. It is a pyramidal shaped bone that can be found in the medial side of the wrist. The name triquetrum is derived from the Latin word triquetrus which means “three-cornered”.

Is arthritis the same as arthrosis?

Arthritis is a term used to describe an inflammatory condition involving one or more joints throughout the body. It is often accompanied by pain, swelling and warmth in the involved joint(s). Arthrosis is a term which describes a non-inflammatory degenerative condition associated with aging.

Can you still move your wrist with a scaphoid fracture?

A scaphoid fracture that is correctly treated soon after the injury will take about 12 weeks to heel. But an untreated fracture may take as long as six months to recover from. Untreated patients will also usually experience long-term problems moving their wrist or other complications (see below).

How long do you wear a cast for a scaphoid fracture?

Fractures that are in the proximal pole of the scaphoid, displaced, or not treated soon after injury require surgical repair. The goal is to put the bones back in alignment and stabilize them so they can heal properly. After surgery, you will usually be in a cast for eight to 12 weeks.

Do all scaphoid fractures need surgery?

Yes. If you receive proper treatment and restrict activity with your hand, a scaphoid fracture may heal without surgery. Your doctor will likely recommend casting if it appears that the bones may heal on their own. The cast immobilizes your wrist, so the pieces of bone to fuse back together.

What is Pantrapezial osteoarthritis?

When both the TM and STT joint are involved, this is termed pantrapezial osteoarthritis. Arthroscopic techniques can still provide some relief but an open trapeziectomy is usually necessary. Symptoms. Symptoms include an aching pain in the ball of the thumb which may radiate up the forearm.

What does Trapeziectomy mean?

The surgery, called a Trapeziectomy, involves removing a small bone (one of eight which form the wrist) called the trapezium. This is situated at the base of the thumb. This provides more space for the thumb to move so that the arthritic bone surfaces are not rubbing together causing pain.

What is DIP joint?

The DIP joint is the first knuckle from the top of the finger. It connects the distal phalanx and middle phalanx, which are the two bones at the tip of the finger. Experiencing DIP joint pain is often a sign of a type of arthritis, such as osteoarthritis or psoriatic arthritis.

How is SNAC treated?

There are multiple options for the treatment of SNAC wrist. They range from styloidectomy to scaphoid distal pole excision, denervation of the wrist, partial to total carpal arthrodesis, removal of the first carpal row, total arthrodesis of the wrist.

How common is SLAC wrist?

There are three different patterns of arthropathy seen about the wrist which include SLAC, triscaphe arthritis (between the trapezium, trapezoid and distal scaphoid) and a combination pattern. SLAC wrist is the most common type of wrist arthritis and accounts for approximately 55 % of all wrist arthritis .

What causes SLAC wrist?

CAUSES. Most cases of SLAC wrist start with a significant wrist sprain or fracture, but occasionally no history of injury is recalled. Some cases of scapholunate ligament injury may be due to repetitive heavy loading of the wrist as seen with obesity, or inflammatory conditions of the wrist that damage the ligament.