Chinese Medical Sciences Journal ›› 2015, Vol. 30 ›› Issue (1): 56-58.doi: 10.1016/S1001-9294(15)30010-9

• CASE REPORT • Previous Articles     Next Articles

Calyceal Diverticulum Mimicking Simple Parapelvic Cyst: a Case Report

Yong-han Peng?, Wei Zhang?, Xiao-feng Gao, Ying-hao Sun*   

  1. Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai 200433, China
  • Published:2015-04-02 Online:2015-04-02
  • Contact: ?These two authors contributed equally to this work.
    *Corresponding author Tel/Fax:86-21-65338288,

CALYCEAL diverticulum is a cystic intrarenal cavity lined by nonsecretory transitional epithelium that communicates with the collecting system via a narrow isthmus or infundibulum. It is a rare anatomic anomaly with an incidence of 0.2% to 0.6% in the patients undergoing renal imaging.1 Single imaging modality usually cannot differentiate calyceal diverticulum from other cystic renal diseases.2 Here, we report a 60-year-old male who was reliably diagnosed with calyceal diverticulum by retrograde urography combined with non-enhanced computed tomography (CT) and magnetic resonance urography (MRU).

Key words: calyceal diverticulum, retrograde urography, computed tomography, magnetic resonance urography

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