Items tagged “wrist”

161 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 unilatreal 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 and radial aspect of the radius 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
Dr Henry Knipe
Published 02 Oct 2013
86% complete
X-rayAnnotated 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
Dr Andrew Lawson
Published 17 Oct 2013
87% complete
X-rayMRI
Case

TFCC injury (Palmer 1b)

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

Scaphoid fracture with dorsal intercalated segment instability

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

Smith fracture

 Diagnosis certain
Dr 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 of the wrist joint

 Diagnosis certain
Dr Ahmed Abdrabou
Published 01 Feb 2014
95% complete
MRI
Case

Os triangulare

 Diagnosis certain
Dr 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

CPPD arthropathy wrist

 Diagnosis almost certain
Dr Patsy Robertson
Published 01 Jul 2014
75% complete
X-ray
Case

Scapholunate dissociation and distal radius fracture

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

Distal scaphoid tubercle fracture

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

Scapholunate interval

The scapholunate interval is the radiographic measurement of the scapholunate joint on PA wrist projections. Abnormal widening is indicative of injury to the scapholunate ligament that occurs with scapholunate dissociation.  In adults, the normal value is usually taken as <2 mm, with an interva...
Case

Type II lunate with hamatolunate impingement

 Diagnosis certain
Dr 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
Dr Dalia Ibrahim
Published 24 Nov 2014
92% complete
X-rayMRIAnnotated image

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