Items tagged “thumb”
30 results found
Article
Bennett fracture
A Bennett fracture is a fracture of the base of the thumb resulting from forced abduction of the first metacarpal. It is defined as an intra-articular two-part fracture of the base of the first metacarpal bone.
Radiographic features
Plain radiograph
two piece fracture of the base of the th...
Article
Epibasal fracture of the thumb
Epibasal fractures of the thumb (also called pseudo-Bennett fracture) are extra-articular two-piece fractures of the proximal first metacarpal bone. They are usually stable, depending on the degree of displacement, and often do not require surgery. It is important to distinguish them from intra-...
Article
Rolando fracture
Rolando fracture is a three-part or comminuted intra-articular fracture-dislocation of the base of the thumb (proximal first metacarpal). It can be thought of as a comminuted Bennett fracture.
Epidemiology
The vast majority of cases occur in men, with a male to female predominance of 10:1. It ...
Case
Skier's thumb
Published
22 May 2008
66% complete
X-ray
Case
Base of thumb metacarpal fracture
Published
23 Aug 2009
100% complete
X-ray
Article
Fractures of the thumb
Fractures of the thumb are important due to huge impact the thumb has on the overall function of the hand, an understanding of the types of fractures that occur is important, as treatment varies with fracture type.
Pathology
Types
Metacarpal fractures include:
intra-articular fractures
...
Case
Gamekeeper thumb
Published
12 Nov 2009
72% complete
X-ray
Article
Stener lesion
Stener lesions are seen in the context of a torn ulnar collateral ligament (UCL) of the thumb's metacarpophalangeal (MCP) joint (gamekeeper's thumb) resulting in an interposition of the adductor pollicis aponeurosis between the ulnar collateral ligament and the MCP joint.
Epidemiology
Stener l...
Case
Gamekeeper thumb (Skier thumb)
Published
12 Nov 2009
79% complete
X-ray
Case
Gamekeeper's thumb and Stener lesion (illustrations)
Published
16 Nov 2009
32% complete
Diagram
Article
Absent thumb
An absent thumb can have many associations. They include:
Fanconi anemia (pancytopenia-dysmelia syndrome)
Franceschetti syndrome
Holt-Oram syndrome
phocomelia (e.g. thalidomide embryopathy)
Poland syndrome (pectoral muscle aplasia and syndactyly)
Rothmund-Thomson syndrome
Seckel syndrome ...
Case
Triphalangeal thumb
Published
25 Aug 2010
72% complete
X-ray
Article
Triphalangeal thumb
Triphalangeal thumb is considered a form of pre-axial polydactyly.
Epidemiology
Triphalangeal thumbs have an incidence of 1 in 25,000 7.
Associations
There is a long list of associations 1-6:
Aase syndrome
anatomic variant: isolated anomaly
Diamond-Blackfan syndrome
DOOR syndrome
Duan...
Case
Gamekeeper thumb
Published
20 Oct 2010
57% complete
X-ray
Case
Trapeziometacarpal osteoarthritis
Published
28 Nov 2011
60% complete
X-ray
Case
Ulnar collateral ligament injury of the 1st MCP joint
Published
16 Feb 2012
65% complete
MRI
Case
Gamekeeper thumb and Stener lesion
Published
18 Nov 2012
85% complete
Photo
X-ray
Case
Bennett fracture
Published
19 Jan 2015
94% complete
X-ray
Case
Bennett fracture
Published
19 Jan 2015
91% complete
X-ray
Case
Stener lesion
Published
21 Jan 2015
92% complete
Annotated image
MRI
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