Items tagged “wrist”
200 results found
Case
Mutilating rheumatoid arthritis of the wrist
Published
09 Jul 2012
75% complete
X-ray
Article
Greater arc injury
Greater arc injuries are perilunate fracture-dislocations that are twice as common as lesser arc injuries, which are purely ligamentous perilunate dislocations 1. They account for ~5% of wrist fractures 1. The associated fractures may be trans-radial styloid, trans-scaphoid (most common 4), tran...
Article
Lesser arc injury
Lesser arc injuries are pure ligamentous perilunate dislocations. They are the "baby brother" of greater arc injuries, which have additional fractures of the radial styloid, scaphoid, capitate, triquetrum, and/or ulnar styloid 1.
Article
Trapezium fracture
Trapezium fractures are uncommon carpal bone injuries. They can either occur in isolation or combination with another carpal bony injury.
Epidemiology
Isolated fractures of the trapezium are only thought to account for 3-5% of all carpal fractures 1,2.
Pathology
They can be broadly classifie...
Article
Volar intercalated segment instability
Volar intercalated segment instability (VISI) is a type of carpal instability featuring volar tilt of the lunate. It is less often encountered than dorsal intercalated segment instability (DISI).
Clinical presentation
VISI presents in most cases with nonspecific wrist pain and a "clunking" on ...
Article
Capitohamate coalition
Capitohamate coalition represents the congenital fusion of the capitate and the hamate. It is the second most common type of carpal coalition after lunotriquetral coalition. It represents ~5% of all carpal fusions 1 and is associated with Apert syndrome 2.
Article
Anatomical snuff box
The anatomical snuff box (or sometimes known as tabatiere or fovea radialis of wrist) is a surface anatomy feature. It appears as a triangular depression on the lateral surface of the wrist on full extension of the thumb.
Gross anatomy
Boundaries
medial: tendons of the extensor pollicis longu...
Case
Kienböck disease
Published
26 Mar 2013
89% complete
MRI
Case
Kienbock disease
Published
08 Apr 2013
80% complete
MRI
Case
Rheumatoid arthritis
Published
27 Apr 2013
68% complete
MRI
Case
Fracture of scaphoid with avascular necrosis
Published
06 May 2013
71% complete
MRI
Case
Advanced rheumatoid arthritis of the wrist with carpal fusion
Published
11 May 2013
74% complete
MRI
Case
Triquetral fracture
Published
13 Jun 2013
95% complete
X-ray
CT
Article
Accessory ossicles of the wrist (mnemonic)
The accessory ossicles of the wrist can be easily recalled with the mnemonics:
LOTTEO 1
HOTELS
Mnemonics
LOTTEO
L: lunula
O: os styloideum (carpal boss)
T: (os) triangulare
T: (os) trapezium secondarium
E: (os) epilunate
O: os hamuli proprium
HOTELS
H: (os) hamuli proprium
O: os tri...
Article
Accessory ossicles of the wrist
Accessory ossicles of the wrist are commonly seen on plain radiographs of the wrist and associated cross-sectional imaging. Over 20 were originally described 2, although the more common include 1:
lunula: between TFCC and triquetrum
os styloideum (carpal boss): on dorsal surface of 2nd or 3rd ...
Case
Rheumatoid arthritis - wrist
Published
26 Jun 2013
65% complete
MRI
Case
Distal intersection syndrome
Published
02 Jul 2013
95% complete
Annotated image
MRI
Case
Lunotriquetral coalition
Published
07 Jul 2013
79% complete
X-ray
Case
Scaphoid fracture and avascular necrosis
Published
29 Aug 2013
89% complete
MRI
Article
Triangular fibrocartilage complex
The triangular fibrocartilage complex (TFCC) is a complex structure that is a major contributor to the stability of the wrist.
Gross anatomy
The TFCC is located on the ulnar aspect of the wrist joint between the ulna and the lunate and triquetrum of the proximal carpal row. It has an elongate...
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