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MR findings in lipoma arborescens of the knee: our experience.
MedLine Citation:
PMID:  15973228     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: This paper describes the role of MR imaging in the identification of the different macroscopic patterns of lipoma arborescens. MATERIALS AND METHODS: Between June 1995 and January 2004, a total of 6387 MR examinations of the knee were retrospectively assessed for the presence of lipoma arborescens. The MR examinations were performed using a superconductive 0.5 T MR unit with a transmitting/ receiving coil dedicated for the extremities. The MR images were acquired with SE T1-weighted, GE T2-weighted and STIR sequences in sagittal, coronal and axial planes with 3-mm thickness and 1-mm gap. RESULTS: Lipoma arborescens was identified in 9 patients (mean age: 36 years). In 2/9 cases a localized lipoma arborescens was detected as a well-marginated single nodule on the suprapatellar bursa without irregularity or synovial hyperplasia. In the remaining 7 cases diffuse lipoma arborescens was identified on the wall of the suprapatellar bursa. In one case of diffuse lipoma arborescens there was involvement of both knees. In all cases the MR findings were verified at surgery and the final diagnosis was made by histological examination. CONCLUSIONS: MR imaging shows a high accuracy in the identification and characterization of lipoma arborescens, due to its multiplanar capabilities and high contrast resolution. MRI allows correct evaluation of size and grade, accurate treatment planning and effective follow-up, avoiding the need for synovial biopsy.
Authors:
A Iovane; F Sorrentino; L Pace; M Galia; A Nicosia; M Midiri; T V Bartolotta; M De Maria
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Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  La Radiologia medica     Volume:  109     ISSN:  1826-6983     ISO Abbreviation:  Radiol Med     Publication Date:    2005 May-June
Date Detail:
Created Date:  2005-6-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0177625     Medline TA:  Radiol Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  540-546     Citation Subset:  -    
Affiliation:
DIBIMEL, Sezione di Scienze Radiologiche, Università degli Studi di Palermo, Palermo, Italy.
Vernacular Title:
Aspetti RM del lipoma arborescente del ginocchio. Nostra esperienza.
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