| PICTORIAL ESSAY |
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| Year : 2020 | Volume
: 28
| Issue : 3 | Page : 179-180 |
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Scruples over speckles
Benjamin Persons, Eugene Y Kissin
Division of Rheumatology, Boston University Medical Center, Boston, MA, USA
Correspondence Address:
Dr. Eugene Y Kissin
Boston University, 72 E Concord St., Evans 501, Boston, MA 02118
USA
 Source of Support: None, Conflict of Interest: None
DOI: 10.4103/JMU.JMU_122_19
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The “snowstorm” sign refers to the ultrasound appearance of motile hyperechoic specks within synovial fluid and has been reported to have a high specificity for gout. We describe three additional etiologies commonly encountered in the rheumatology clinic that can produce a snowstorm: calcium pyrophosphate deposition disease, fibrin collections/rice bodies, and gas bubbles in viscous synovial fluid.
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