Foreign body-induced knee synovitis: importance of history by the radiologist.

IF 2.3 3区医学 Q2 PEDIATRICS

Pediatric Radiology Pub Date : 2025-08-01 Epub Date: 2025-07-21 DOI:10.1007/s00247-025-06339-7

Evangelia E Vassalou, Rozalia Dimitriou, Chryssoula Perdikogianni, Maria Raissaki

引用次数: 0

Abstract

We describe a case of a 7.5-year-old boy with a 7-week history of recurrent right knee swelling despite joint aspiration, persisting limping, and mild motion restriction, following a minor injury. Initial magnetic resonance imaging (MRI), ultrasound, and joint fluid analysis yielded non-specific synovitis. The child was investigated for juvenile idiopathic arthritis (JIA) and referred for a repeat MRI. Questioning by the attending radiologist disclosed falling onto wood sticks 10 weeks previously. Florid enhancing synovitis, prominent popliteal lymph nodes, and a linear foreign body were identified and ultrasonographically confirmed. During the operation, a 3-cm wooden splinter was successfully removed. This case highlights the uncommon challenge of differentiating between JIA and foreign body-induced synovitis and emphasizes the importance of detailed history by the radiologist and meticulous imaging techniques.

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异物引起的膝关节滑膜炎：放射科医生病史的重要性。

我们描述了一个7.5岁的男孩，他有7周的复发性右膝肿胀史，尽管关节抽吸，持续跛行，轻微的运动限制，在轻微受伤后。最初的磁共振成像（MRI）、超声和关节液分析显示非特异性滑膜炎。检查儿童是否患有幼年特发性关节炎（JIA），并再次行MRI检查。在主治放射科医生的询问下，他透露10周前曾摔到木棍上。滑膜炎，突出的腘窝淋巴结和线状异物被识别和超声证实。在手术中，成功地取出了一个3厘米的木制碎片。本病例强调了鉴别JIA和异物引起的滑膜炎的罕见挑战，并强调了放射科医生详细病史和细致成像技术的重要性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Pediatric Radiology 医学-核医学

CiteScore

4.40

自引率

17.40%

发文量

300

审稿时长

3-6 weeks

期刊介绍： Official Journal of the European Society of Pediatric Radiology, the Society for Pediatric Radiology and the Asian and Oceanic Society for Pediatric Radiology Pediatric Radiology informs its readers of new findings and progress in all areas of pediatric imaging and in related fields. This is achieved by a blend of original papers, complemented by reviews that set out the present state of knowledge in a particular area of the specialty or summarize specific topics in which discussion has led to clear conclusions. Advances in technology, methodology, apparatus and auxiliary equipment are presented, and modifications of standard techniques are described. Manuscripts submitted for publication must contain a statement to the effect that all human studies have been reviewed by the appropriate ethics committee and have therefore been performed in accordance with the ethical standards laid down in an appropriate version of the 1964 Declaration of Helsinki. It should also be stated clearly in the text that all persons gave their informed consent prior to their inclusion in the study. Details that might disclose the identity of the subjects under study should be omitted.