Norm Radd Week 10 Lec

Which one is not apart of the minimal DX series of the wrist?

AP

What is the best visualization of the Scaphoid?

PA with Ulnar Deviation

What is the best view of the Scaphoidlunate interval?

Clenched Fist

What assess the position of the distal radius relative to the distal ulna?

Distal Radioulnar Joint

What is the distal articular surfaces of the radius and ulna?

Ulnar Variance

Ulnar Variance is view on which xray?

PA Wrist

What is the finding if the ulna is more distal than the radius?

Positive

A positive ulnar variance is associated with what condition?

TFCC pathology

A negative Ulnar Variance is associated with what?

Kienbock Disease

Which one is not apart of the Three carpal arcs?

Distal aspect of distal row

T/F

Disruption in the carpal arch is associated with injury, dislocation, or fracture.

True

On a lateral view there should be ____ of radius and ulna.

Superimposition

On al lateral wrist the distal radius usually project about 1-3mm ____ the ulna.

Beyond

On a lateral wrist the articular surface of distal radius is tilted ____ about 10-15 degrees.

Ventrally

What is the order of structure from inferior to superior in a lateral wrist?

Radius, Lunate, Capitate, 3rd metacarpal

What is formed between the long axis of scaphoid and mid-axis of lunate?

Scapholunate Angle

T/F

Scapholunate Angle normal values range from 30-60 degrees.

True

An increase in scapholunate angle >60 degrees may indicate

DISI

An decrease in Scapholunate Angle is associated with

VISI

Scaphoid, Lunate, Triquetrum, pisiform

Proximal carpal row (Radial to Ulnar)

Trapezium, Trapezoid, Capitate, Hamate

Distal carpal row (Radial to Ulnar)

What is the most fracture part of the Scaphoid?

Waist

Which one has a normal value of 1-2mm?

All of above

What is a Terry Thomas Sign?

Scapholunate Interval >2

Which carpal is not apart of the triscaphe joint?

Capitate

What fat pad runs parallel to the scaphoid?

Navicular

Why might an Navicular Fad pad become absents?

Scaphoid Fracture

What runs parallel to the ventral aspect of the distal radius?

Pronator Quadratus

How come the Pronator quadrtaus become absents?

Fracture of distal radius

Which is not the minimal DX of the Hand and Fingers?

AP

What is hyperflexion at PIP and hyperextension at DIP?

Boutonniere Deformity

What is hyperextension at the PIP and hyperflexion at the DIP?

Swann Neck Deformity

What is typically found in the diaphysis of a long bone?

Nutrient Channel

Nutrient channels are less ____ than fracture.

Radiolucent

Is the base of the of the proximal phalange concave?

Yes