CONGENITAL RENAL ANOMALIES: Radiological evaluation

ABSTRACT NO: 143

ANOMALIES IN POSITION: Rotational anomalies Renal ectopia: Ipsilateral;

crossed

ANOMALIES IN FORM: Horse shoe kidney Disc kidney Crossed fused ectopia

ANOMALIES IN NUMBER: Supernumerary kidneys Renal agenesis ANOMALIES IN SIZE: Renal hypoplasia: Dwarf kidney Thin kidney Renal dysplasia Compensatory hypertrophy

ANOMALIES IN STRUCTURE: Large septae of Bertin Fetal lobulation Congenital polar

enlargement Pseudotumours Congenital intendation Congenital cysts

ANOMALIES OF ROTATION: Nonrotation: pelvis lies

anterior Incomplete rotation: pelvis

lies between 30*- 90* Reverse rotation: pelvis

lies anterolateral Excessive rotation: pelvis

lies posterior Transverse pelvis superior/

inferior

NONROTATED LEFT KIDNEY:

Non rotated left kidney(anterior pelvis):

Normal RK

Non rotated LK

Sagittal Coronal reconstruction:

NON ROTATED LK

LK LK

Renal ectopia:

Congenital abnormal location Ipsilateral ectopia: Abdominal: Above iliac crest, below L2 Iliac: opposite iliac crest/ in iliac fossa Pelvic: in true pelvis Crossed ectopia: kidney lies in the side

opposite the ureteric orifice

I/L RIGHT RENAL ECTOPIA:

NORMAL LK

ILIAC RK

Coronal reconstruction:

ILIAC RK

I/L RIGHT RENAL ECTOPIA with cortical cyst

Ectopic right kidney with cortical cyst:

IPSILATERAL LEFT RENAL ECTOPIA:

Pelvic left kidney:

NORMAL RKPelvic LK

Bladder Uterus

Pelvic LK

B/L MALROTATED ECTOPIC KIDNEYS

B/L Malrotated kidneys:RIGHT KIDNEY:Ectopic mal rotated at L3-L4

LEFT KIDNEY:Ectopic mal rotated

PELVIC LEFT KIDNEY WITH CALCULUS

RKLK

LEFT KIDNEY:malrotatedEctopic

Rt. ureter

Lt.ureter(dilated)

RK

LK

RKLK

RK LK RK LK

Rt ureter

Lt. ureter

B/L malrotated ectopic kidneys – 3D volume rendered

CROSSED FUSED ECTOPIA:

Crossed fused ectopia:

Malrotated LK

RK

LK

Crossed fused ectopic RK

Rt.ureter Lt.urete

r

HORSE SHOE KIDNEY:

Horse shoe kidney:

Horse shoe kidney:

FUSED AT LOWER POLES

FUSED AT LOWER POLES

Horse shoe kidney: coronal reconstruction:

HORSE SHOE KIDNEY with a large right renal calculus:

Horse shoe kidney- calculus in RK

Horse shoe kidney: Delayed phase:

Horse shoe kidney- coronal reconstruction

RIGHT DUPLEX KIDNEY:

USG: IVP:

3D Volume rendered image:

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