Items tagged “avn”
27 results
Case
Avascular necrosis of the knee
Published
07 May 2008
78% complete
MRI
Annotated image
Case
Freiberg infraction
Published
01 Apr 2010
66% complete
X-ray
Case
Dietrich disease
Published
21 May 2010
79% complete
X-ray
Case
Scaphoid fracture with early avascular necrosis
Published
25 May 2010
65% complete
CT
Article
Bone infarction
Bone infarction is a term used to refer to osteonecrosis within the metaphysis or diaphysis of a bone. Necrosis is a type of cell death due to irreversible cell injury, which can be recognised microscopically by alterations in the cytoplasm (becomes eosinophilic) and in the nucleus (swelling, py...
Case
Osteonecrosis of the lunate
Published
23 Jul 2010
60% complete
X-ray
Article
Kienböck disease
Kienböck disease is the eponymous name given to osteonecrosis involving the lunate. It is often referred to as lunatomalacia.
Epidemiology
The age distribution for Kienböck disease depends on gender. The condition is most common within the dominant wrist of young adult men where it appears to...
Article
Stahl classification of Kienböck disease (historical)
The Ståhl classification of Kienböck disease was one of the first staging systems of Kienböck disease (osteonecrosis of the lunate).
It has been modified by Lichtman et al and is considered outdated for clinical practice.
Classification
This system divides the disease into five stages, and i...
Case
Kienbock disease
Published
13 Jan 2011
81% complete
MRI
X-ray
Case
Lupus osteonecrosis
Published
18 Apr 2011
38% complete
X-ray
Case
Bilateral avascular necrosis of the hip
Published
03 Jul 2011
77% complete
MRI
Case
Avascular necrosis of the hip - double line sign
Published
11 May 2012
89% complete
MRI
Article
Mauclaire disease
Mauclaire disease, also known as Dietrich disease, is a rare disease and refers to osteonecrosis of the metacarpal heads, which usually appears between the ages of 13 and 18 years 1,2. This condition may lead to early closure of the epiphyseal growth plate and growth disturbance of the involved ...
Case
Avascular necrosis of the hip
Published
13 Jun 2013
67% complete
MRI
CT
Case
Avascular necrosis - bilateral hip joints
Published
24 Jan 2014
75% complete
X-ray
Case
Bilateral hip avascular necrosis
Published
08 Jul 2015
62% complete
MRI
X-ray
Case
Scaphoid avascular necrosis
Published
26 Mar 2015
86% complete
X-ray
Case
Bone infarction
Published
04 Jan 2016
94% complete
X-ray
Article
Catterall classification of Perthes disease
The Catterall classification of Perthes disease is based on radiographic appearances of the epiphysis and metaphysis visible in osteonecrosis of the femoral head:
stage I
bone absorption changes visible in the anterior aspect of the epiphysis of femoral head
changes are visible best in frog l...
Case
Avascular necrosis of hip (MRI)
Published
24 Dec 2016
89% complete
X-ray
CT
MRI