Journal of Capital Medical University ›› 2020, Vol. 41 ›› Issue (4): 647-651.doi: 10.3969/j.issn.1006-7795.2020.04.026

• Clinical Research • Previous Articles     Next Articles

Ultrasound diagnosis of congenital renal malrotation

Ma Jia, Yang Jingchun, Wu Jing, Chang Ying, Du Lan, Chen Shu   

  1. Department of Ultrasound, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
  • Received:2019-12-25 Online:2020-08-21 Published:2020-07-22

Abstract: Objective To explore the diagnostic method of congenital renal malrotation by ultrasound to improve diagnostic accuracy. Methods Totally 20 cases who were collected from October 2008 to October 2018, with renal malrotation indicated by ultrasound and confirmed by computed tomography (CT) or intravenous urography (IVU) were analyzed retrospectively. Ultrasound was used to observe the position, size, morphology and renal vessels of the rotated kidney. The method of coordinate system was developed to classify the renal malrotation, and the results were compared with CT or IVU. Results Renal malrotation were definitely diagnosed in 20 patients by ultrasound. The shape of the kidney was varied, the structure was clear, but the direction of the renal hilum was abnormal. Four types of renal malrotation were observed in this group 6 cases were ventral, 11 were incomplete rotation, 2 were lateral and 1 was dorsal. Among them, 4 cases had one accessory renal artery, 1 case had two accessory renal arteries. Conclusion The ultrasound could sensitively detect the shape and vessels in renal malrotation. It is accurate and effective for the diagnosis of renal malrotation.

Key words: renal malrotation, ultrasound, diagnosis

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