Dual-Energy CT of Urate Deposits in Costal Cartilage and Intervertebral Disks of Patients With Tophaceous Gout and Age-Matched Controls
- PMID: 26958708
- DOI: 10.2214/AJR.15.15356
Dual-Energy CT of Urate Deposits in Costal Cartilage and Intervertebral Disks of Patients With Tophaceous Gout and Age-Matched Controls
Abstract
Objective: The purpose of this study was to investigate whether monosodium urate (MSU) deposits could be identified within the abdomen and axial skeleton of patients with tophaceous gout using dual-energy CT (DECT).
Conclusion: DECT of the abdomen, chest wall, and spine revealed extensive MSU deposits in costal cartilages and, to a lesser extent, intervertebral disks in the male patients with gout in our study. These were quantified volumetrically. However, age-matched control subjects showed similar deposits, indicating this was not a disease-specific finding. Thus, MSU deposition in the axial skeleton may be physiologic in middle-aged men.
Keywords: cartilage; chest wall; dual-energy CT; gout; monosodium urate.
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