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01-08-2003 | Case Report

Paraffinoma of the knee

Authors: O. A. Catalano, F. Dal Pozzo, D. Nizzi Grifi, I. Menchi, D. I. Rosenthal

Published in: Skeletal Radiology | Issue 8/2003

Abstract

We present the case of a 90-year-old man with a swollen, painful knee and a history of paraffin injections. Radiography showed soft tissue streaky and nodular calcifications without erosions. MR imaging showed globular areas of low signal intensity on T1- and T2-weighted images which became even more hypointense on STIR sequences, and an infiltrative hypointense region containing areas of high signal on T1-weighted, T2-weighted and STIR images. Biopsy confirmed soft tissue foreign body granulomata, fibrous reaction and areas of inflammation. We believe this to be the first report of MR imaging of paraffinoma outside the breast.

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Title: Paraffinoma of the knee
Authors: O. A. Catalano
F. Dal Pozzo
D. Nizzi Grifi
I. Menchi
D. I. Rosenthal
Publication date: 01-08-2003
Publisher: Springer-Verlag
Published in: Skeletal Radiology / Issue 8/2003
Print ISSN: 0364-2348
Electronic ISSN: 1432-2161
DOI: https://doi.org/10.1007/s00256-003-0640-2

At a glance: The STEP trials

Springer Medicine

Paraffinoma of the knee

Abstract

At a glance: The STEP trials

Springer Medicine

Abstract

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