Chinese Medical E-ournals Database

Chinese Journal of Obstetrics & Gynecology and Pediatrics(Electronic Edition) ›› 2024, Vol. 20 ›› Issue (06): 628 -634. doi: 10.3877/cma.j.issn.1673-5250.2024.06.006

Original Article

Clinical diagnosis value of gastrointestinal involvement in childhood Behcet's disease by oral mannitol computed tomography enterograph

Dan Zhang1, Shuochun Wu2, Xuefeng Sun2, Fengqi Wu1, Gaixiu Su1, Jia Zhu1, Min Kang1, Yingjie Xu1, Ming Li1, Tong Yue1, Min Wen1, Feifei Wu1, Jianming Lai1,()   

  1. 1. Department of Rheumatology and Immunology,Children's Hospital of Capital Institute of Pediatrics,Beijing 100020,China
    2. Department of Radiology,Children's Hospital of Capital Institute of Pediatrics,Beijing 100020,China
  • Received:2024-04-14 Revised:2024-11-07 Published:2024-12-01
  • Corresponding author: Jianming Lai

Objective

To investigate the diagnostic value of oral isosmotic mannitol solution for CT enterography(CTE)in gastrointestinal lesions of pediatric Behçet's disease.

Methods

Children with Behçet's disease admitted to the Department of Rheumatology and Immunology at the Children's Hospital of Capital Institute of Pediatrics from January 2022 to December 2023 were selected as the study subjects.A total of 24 children underwent CTE after bowel preparation and oral administration of 2.5%isosmotic mannitol solution to distend the gastrointestinal tract.The findings,including gastrointestinal wall thickening,arterial phase mucosal enhancement,venous phase stratified enhancement,and extraintestinal lesions,were compared with the results of abdominal ultrasound and gastrointestinal endoscopy.This study was approved by the Ethics Committee of the Children's Hospital of Capital Institute of Pediatrics (Approval No.SHERLLM2023039),and informed consent was obtained from the guardians of all children.

Results

①The positive detection rates of CTE and ultrasound were 62.5%(15/24)and 20.8%(5/24),respectively,with a statistically significant difference (χ2=8.58,P <0.001).②All 24 children underwent gastrointestinal endoscopy,with a positive detection rate of 45.8%(11/24)for both gastroscopy and colonoscopy,which was lower than that of CTE,but the difference was not statistically significant (χ2=1.34,P=0.386).③In the 15 children with positive CTE findings,gastrointestinal wall thickening was the most common manifestation,followed by arterial phase enhancement(12 cases),lymphadenopathy(8 cases),venous phase stratified enhancement(7 cases),mesenteric vasculitis(4 cases),and the presence of air-fluid levels(1 case)and intestinal dilation(1 case).

Conclusions

Oral isotonic mannitol solution CTE has high diagnostic value for gastrointestinal lesions in pediatric Behçet's disease,clearly displaying lesion characteristics and serving as an important tool for clinical diagnosis and evaluation.

表1 24例白塞病患儿的临床表现[例数(%)]
图1 1例儿童白塞病患儿(6岁,男性)CTE 图像提示胃窦部局部胃壁增厚约为6mm,伴明显分层强化征象(箭头所示)(图1A:冠状位;图1B:轴位) 注:CTE为CT 小肠造影
图2 1例儿童白塞病患儿(11岁,女性)CTE 图像提示胃小弯胃壁及升结肠肠壁增厚,伴分层强化(箭头所示)(图2A:冠状位;图2B:轴位) 注:CTE为CT 小肠造影
图3 1例儿童白塞病患儿(8岁,女性)CTE 图像提示回盲部肠壁明显增厚、肠腔狭窄,伴有肠壁均匀强化(箭头所示)(图3A:冠状位;图3B:轴位) 注:CTE为CT 小肠造影
图4 1例儿童白塞病患儿(12岁,女性)CTE 图像[图4A:轴位,回盲部肠壁明显增厚、肠腔狭窄,伴肠壁均匀强化(箭头所示);图4B:轴位,乙状结肠、直肠肠壁明显增厚,肠腔狭窄,伴有肠壁均匀强化(箭头所示)] 注:CTE为CT 小肠造影
图5 1例儿童白塞病患儿(5岁,女性)CTE 图像(右下腹部肠系膜根部淋巴结肿大)(箭头所示) 图6 1例儿童白塞病患儿(14岁,男性)CTE 图像[肠系膜血管增多,可见“梳状征”(箭头所示)] 注:CTE为CT 小肠造影
图7 1例儿童白塞病患儿(6岁,女性)CTE图像[图7A:轴位,肠管扩张(箭头所示);图7B:冠状位,肠管扩张(箭头所示)] 注:CTE为CT 小肠造影
图8 1例儿童白塞病患儿(6岁,女性)CTE 图像[气液平面(箭头所示)] 注:CTE为CT 小肠造影
表2 24例白塞病患儿CTE检查结果比较[例数(%)]
表3 24例白塞病患儿超声检查结果[例数(%)]
表4 24例白塞病患儿胃、肠镜检查结果[例数(%)]
表5 24例白塞病患儿病理学检查结果[例数(%)]
表6 24例白塞病患儿治疗情况[例数(%)]
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