MRI of the abnormal pediatric hand and wrist with plain film correlation

Journal of Computer Assisted Tomography
E Michel AzouzJ C Décarie

Abstract

Based on a pool of 24 selected cases of nontraumatic pathology of the hand and wrist in patients under the age of 18 years, collected from three pediatric hospitals, the authors have illustrated a number of congenital, inflammatory, and infectious conditions as well as tumors of bones and soft tissues, utilizing MRI with plain film correlation. Due to different MR signal characteristics, the etiology of macrodactyly may be recognized, e.g., vascular and/or fatty versus neurofibromatosis, etc. In septic arthritis, MR has shown abnormal marrow signal in adjacent bones denoting osteomyelitis, often unexpected from the plain film appearance. Tenosynovitis has a specific MR appearance: Fluid in the tendon sheath gives high signal on T2-weighted imaging. In arthritis--because of the associated hyperemia--there is definite synovial enhancement easily visible immediately after Gd-chelate injection. Gd also helps identify viable tissues postinfection as well as viable tumor tissue (versus scar or necrotic tissue) in tumors. Plain radiography is the imaging method of choice for diagnosis and differential diagnosis of most cases of bone cysts, tumors, and tumor-like conditions, e.g., simple and aneurysmal bone cysts, enchondroma, and oste...Continue Reading

References

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Citations

Feb 22, 2007·AJR. American Journal of Roentgenology·Patrick T Liu
Jul 28, 2004·Hand Clinics·John V Ingari, John J Faillace

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