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Year : 2015  |  Volume : 22  |  Issue : 1  |  Page : 42-44

Bilateral giant orthotopic ureterocele appearing as kissing cobra in a Nigerian child

1 Department of Radiology, University of Ilorin Teaching Hospital, Ilorin, Nigeria
2 Paediatric Surgery Unit, University of Ilorin Teaching Hospital, Ilorin, Nigeria

Correspondence Address:
Dr. Mutiu Oladapo Atobatele
Department of Radiology, University of Ilorin Teaching Hospital, Ilorin
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1115-1474.146151

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The cobra head sign is classically seen when a unilateral intravesical ureterocele is present. This type of ureterocele is also termed orthotopic. Orthotopic ureteroceles are usually unilateral and commoner in females, but bilateral in 10% of cases.The cobra head sign is characterised by bulbous dilatation of the distal end of the ureter with a surrounding radiolucent halo seen within the contrast-filled urinary bladder on intravenous urograms. Although, the cobra head sign is classic for an intravesical ureterocele, only about 50% of cases show this sign. This is a rare case of an eleven-year old boy with giant bilateral ureterocele touching each other on intravenous urogram, hence appearing as 'kissing cobra'.

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