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Chemical-shift micro-imaging of subcutaneous lesions
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Radiology. (Ahlström)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Radiology. (Ahlström)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm , Centre for Clinical Research, County of Västmanland.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Genetics and Pathology.
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2005 (English)In: Magnetic Resonance Materials in Physics, Biology and Medicine, ISSN 0968-5243, E-ISSN 1352-8661, Vol. 18, no 2, 59-62 p.Article in journal (Refereed) Published
Abstract [en]

A chemical-shift imaging technique was used for the study of small subcutaneous lesions. This study concerns micro-imaging of two females suffering from a tenosynovial giant cell tumor and an epidermal cyst. High-resolution water, fat and chemical-shift artifact-free images were obtained on a whole-body MR unit (1.5 T) equipped with a 23-mm microscopy surface coil and standard gradients (23 mT/m). A significant improvement in signal-to-noise ratio was achieved by reducing the receiver bandwidth to values below ±10 kHz. The image data sets were acquired with resolution 0.1×0.13 mm in the plane, slice thickness 0.5 mm and with acquisition time less than 3 min. Spatial resolution, fat suppression, image texture and edge delineation were improved on spectroscopic images compared with those on conventional MR images.

Place, publisher, year, edition, pages
2005. Vol. 18, no 2, 59-62 p.
Keyword [en]
Adult, Algorithms, Epidermal Cyst/*pathology, Female, Giant Cell Tumors/*pathology, Humans, Image Enhancement/*methods, Magnetic Resonance Imaging/*methods, Middle Aged, Research Support; Non-U.S. Gov't, Skin Diseases/*pathology, Soft Tissue Neoplasms/*pathology, Synovial Membrane/pathology, Tendons/pathology
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Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-78504DOI: 10.1007/s10334-004-0099-8PubMedID: 15711849OAI: oai:DiVA.org:uu-78504DiVA: diva2:106417
Available from: 2006-10-02 Created: 2006-10-02 Last updated: 2017-12-14Bibliographically approved

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Weis, JanÅström, GunnarVinnars, BertilWanders, AAhlström, Håkan

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Weis, JanÅström, GunnarVinnars, BertilWanders, AAhlström, Håkan
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RadiologyCentre for Clinical Research, County of VästmanlandDepartment of Genetics and Pathology
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Magnetic Resonance Materials in Physics, Biology and Medicine
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