Magnetic resonance imaging of pigmented villonodular synovitis: a report of two cases

The magnetic resonance imaging characteristics of two surgically proven cases of pigmented villonodular synovitis are reported. On the short TR/TE pulse sequences, the synovium has an intermediate signal intensity. Long TR/TE pulse sequences show the synovium containing areas of increased signal int...

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Bibliographic Details
Published in:Skeletal radiology 1987-06, Vol.16 (4), p.316-319
Main Authors: SPRITZER, C. E, DALINKA, M. K, KRESSEL, H. Y
Format: Article
Language:English
Subjects:
Adolescent
Adult
Biological and medical sciences
Diseases of the osteoarticular system
Female
Hip Joint - diagnostic imaging
Hip Joint - pathology
Humans
Knee Joint - diagnostic imaging
Knee Joint - pathology
Magnetic Resonance Spectroscopy
Male
Medical sciences
Synovitis - diagnosis
Synovitis, Pigmented Villonodular - diagnosis
Synovitis, Pigmented Villonodular - diagnostic imaging
Tomography, X-Ray Computed
Tumors of striated muscle and skeleton
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Summary:The magnetic resonance imaging characteristics of two surgically proven cases of pigmented villonodular synovitis are reported. On the short TR/TE pulse sequences, the synovium has an intermediate signal intensity. Long TR/TE pulse sequences show the synovium containing areas of increased signal interspersed with decreased signal. Hemosiderin deposition is believed to account for the areas of decreased signal; the increased signal results from fluid and inflamed synovium.
ISSN:0364-2348
1432-2161
DOI:10.1007/BF00361475