• Qianqian Ying, Jiapei Wang, Yunyan Li, Nan Sun, Yazhen Di, Mengjiao Shen, and Shiwei Fu.
• Medicine School of Ningbo University, Ningbo, Zhejiang, China.
• Arch Med Sci. 2021 Jan 1; 17 (1): 100-105.

IntroductionThe incidence of hyperuricemia (HUA) at younger ages is increasing along the coastal regions of China. This study aimed to compare the frequency of dual energy CT (DECT) urate crystal deposition between symptomatic hyperuricemic children and asymptomatic hyperuricemic children.Material And MethodsFifty-six hyperuricemic children were divided into a Joint Group (n = 33) and an Asymptomatic Group (n = 23) according to whether they had a history of arthritis symptoms, which includes rapid onset monoarthritis with intense pain and swelling. We analyzed DECT scans of their feet from the Joint Group and the Asymptomatic Group and compared their clinical features.ResultsDECT urate deposits were observed in 28/33 (84.8%) children with symptomatic HUA and 14/23 (60.9%) with asymptomatic HUA. We found 60 areas of urate deposition in the Joint Group; DECT urate crystal deposition was most frequently observed in the first metatarsophalangeal (MTP) joint (30.0%), ankle joint (15.0%), and calcaneus (13.3%). 39 urate deposits were found in the Asymptomatic Group; DECT urate crystal deposition was most frequently observed in the calcaneus (25.6%), the first MTP joint (17.9%), and the first phalanx (15.4%).ConclusionsUrate deposition can occur in children with HUA, and these deposits occur more frequently in hyperuricemic children with a history of arthritis symptoms. Also, the urate deposition in the first MTP joint and calcaneus was more prevalent than in other joints. It is important to give more attention to hyperuricemic children.Copyright: © 2021 Termedia & Banach.

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