Items tagged “wrist”

199 results found
Article

Os triangulare

The os triangulare (also known as the os intermedium antebrachii or os triquetrum secundarium) is an accessory ossicle located between the ulnar styloid, lunate and triquetrum 1,2. They may be unilateral or bilateral and the main differential diagnosis is non-union of an ulnar styloid process f...
Article

Os paratrapezium

Os paratrapezium is an accessory ossicle located between distal radial aspect of the trapezium and the base of the 1st metacarpal 1.  Differential diagnoses include loose bodies secondary to trapreziometacarpal joint osteoarthritis or secondary to trauma (e.g. Bennett's fracture) 2. 
Case

Os radiostyloideum and triquetral fracture

  Diagnosis certain
Henry Knipe
Published 02 Oct 2013
86% complete
X-ray Annotated image
Article

Os radiostyloideum

Os radiostyloideum (or persistent radial styloid) is an accessory ossicle of the wrist located adjacent to the radial styloid process and lateral to the mid-portion of the scaphoid.  This should not be confused with another bony ossicle in the wrist, os styloideum (part of a carpal boss), which...
Case

Triangular fibrocartilage complex tear with scapholunate advanced collapse and dorsal intercalated segment instability

  Diagnosis certain
Andrew Lawson
Published 17 Oct 2013
87% complete
X-ray MRI
Case

TFCC injury - Palmer 1b

  Diagnosis almost certain
Ahmed Abdrabou
Published 19 Oct 2013
77% complete
MRI
Case

Scaphoid fracture with dorsal intercalated segment instability

  Diagnosis certain
Ahmed Abdrabou
Published 25 Oct 2013
95% complete
MRI
Case

Smith fracture

  Diagnosis certain
Ayush Goel
Published 07 Nov 2013
88% complete
X-ray
Article

Lunate

The lunate (os lunatum or semilunar) is one of the carpal bones and is a component of the proximal carpal row. Gross anatomy Osteology The lunate is crescent-shaped with a proximal convex articular facet and a distal concave articular facet. On the medial surface is a square-shaped facet and ...
Case

Rheumatoid arthritis - wrist

  Diagnosis almost certain
Ahmed Abdrabou
Published 01 Feb 2014
77% complete
MRI
Case

Os triangulare

  Diagnosis certain
Henry Knipe
Published 20 Feb 2014
85% complete
X-ray
Article

Lunula

The lunula is an accessory ossicle of the wrist. It lies in the TFCC, between the tip of the ulna styloid process and the triquetrum. It may be fused to the ulna styloid, giving it an elongated appearance.  Differential diagnosis os triangulare: lies more radial ulna styloid fracture persist...
Case

Widened scapholunate interval

  Diagnosis certain
RMH Core Conditions
Published 23 Apr 2014
79% complete
X-ray
Case

Calcium pyrophosphate deposition arthropathy wrist

  Diagnosis almost certain
Patsy Robertson
Published 01 Jul 2014
72% complete
X-ray
Case

Scapholunate dissociation and distal radius fracture

  Diagnosis certain
Henry Knipe
Published 25 Sep 2014
94% complete
X-ray
Case

Distal scaphoid tubercle fracture

  Diagnosis certain
Henry Knipe
Published 24 Oct 2014
88% complete
X-ray
Article

Scapholunate interval

The scapholunate interval or gap is the radiographic measurement of the scapholunate joint and widening is indicative of a scapholunate ligament injury. Measurement The scapholunate interval should be measured between the midportion of the scaphoid and lunate on neutral PA, Moneim, PA ulnar de...
Case

Type II lunate with hamatolunate impingement

  Diagnosis certain
Matt A. Morgan
Published 31 Oct 2014
95% complete
MRI
Case

Scaphotrapeziotrapezoidal and 1st carpometacarpal arthritis

  Diagnosis certain
RMH Core Conditions
Published 12 Nov 2014
88% complete
X-ray
Case

Scapholunate advanced collapse (SLAC)

  Diagnosis certain
Dalia Ibrahim
Published 24 Nov 2014
92% complete
X-ray Annotated image MRI

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