Renal Variants/anomalies

Front 1

-common anomaly

-may be confused with pseudo tumor

-Prominent invaginations of the cortex

Back 1

Prominent column of Bertin

Front 2

Back 2

Prominent column of bertin

Front 3

how to distinguish pseudotumor or pseudomass from true mass

Back 3

-isoechoic with rest of renal cortex

-lack of mass effect or splaying of central renal sinus

-normal vascularity by color doppler

Front 4

-Cortical buldge on lateral aspect of kidney most often on left

-probable case is result of pressure on fetal kidney by spleen

Back 4

Dromedary hump (kidney be looking like a camel)

Front 5

embryonic remnant of fusion site between upper and lower protion of kidney

-triangular or wedge shaped echogenic area in the anterior aspect of kidney

Back 5

Junctional parenchymal defect (kidney with echogenic piece in cortex)

Front 6

-immature renal developement

-sharp clefts overlying the septa of bertin

-lobulation in renal contour

Back 6

Fetal lobulation (lumpy looking kidney)

Front 7

-two distinct collecting systems, superior most likely to obstruct

-asymptomatic or flank pain

-Most common major genitourinary anomaly

-faceless kidney

Back 7

Duplex collecting system/ Duplicated (Bifid) system

Front 8

ureteral jets, enter the bladder

Back 8

from the lateral posterior border of the bladder and coursing superior and medial

Front 9

faceless sign

Back 9

Duplicated collecting system

Front 10

Where are the ureteral jets located

Back 10

at the base of the trigone along the posterior aspect

Front 11

most helpful in delineating ureteral jets

Back 11

examine bladder with color doppler

Front 12

-deposition of a moderate amount of fat in renal sinus

- bright area muy grande

-enlargement of sinus region and increase echogenicity

Back 12

Sinus lipomatosis (fat chunky sinus)

Front 13

-renal pelvis extrudes from renal hilum

- can simulate hydronephrosis

Back 13

Extrarenal pelvis ( looks like a huge dilated pelvis)

Front 14

false image of kidney

Back 14

pseudokidney

Front 15

Next ones are Congenital anomalies

Back 15

Congenital anomalies

Front 16

-fusion of the entire medial aspect of both kidneys

-asymptomatic or pelvic mass

-anterior rotation of the renal pelvis

Back 16

Cake, pancake, or lump kidney

Front 17

-one kidney fails to ascent to normal position remains in pelvis

-may be adjacent to bladder, anterior to sacrum

Back 17

Pelvic kidney

Front 18

-May be associated with other abnormalities such as vesicoureteral reflux and anomalous extrarenal pelvis

Back 18

pelvic kidney

Front 19

Anomalies related to ascent of the kidney

Back 19

-Ectopia

-crossed renal ectopia

-ectopic thoracic kidney

-horseshoe kidney

Front 20

- kidney not in normal position, retroperitoneum and pelvis should be scanned

Back 20

Ectopia
(ectopic kidney)

Front 21

Ectopia of kidney to ascent during embryologic develeopement; true ectopic kidneys are located in the

Back 21

pelvic kidney, bony pelvis

Front 22

-Both kidneys are found on the same side

-usually ectopic will be fused to lower pole of other kidney

-Second most common fusion anomaly

Back 22

Cross Renal Ectopia (Cross-fused ectopia)

Front 23

-fusion of superior pole of left kidney to inferior pole of right kidney

Back 23

sigmoid or s-shaped kidney

Front 24

A thoracic kidney migrates through diaphragm. rarest from all ectopic kidneys

Back 24

Ectopic thoracic kidney

Front 25

fusion of the polar region, usually lower poles. Anterior to spine and aorta

Back 25

Horseshoe kidney

Front 26

-Kidneys fail to rotate

-connected by an isthmus of functioning parencyma

-isthmus located anterior to abdominal aorta.

-Most common fusion anomaly

-Dipping effect

Back 26

Horseshoe kidney

Front 27

-hard to see because gas

-may be confused with lymphadenopathy

Back 27

Horseshoe kidney

Front 28

-small nonfunctioning kidney

-compensatory hypertrophied one too

-should rule out pelvic kidney

Back 28

Solitary kidney

Front 29

-complete duplicate of renal system Rare

-usually found above, below, in fron or behind normal kidney

Back 29

Supernumerary kidney

Front 30

failure of kidney to develope to normal size, small

Back 30

hypoplasia

Front 31

most infants born with this rare anomaly are stillborn

Back 31

bladder agenesis

Front 32

cystlike enlargement of the lower end of ureter. associated with duplication of ureters

Back 32

Duplicate ureterocele (cute, looks like bladder has little eyes)

Front 33

May resemble a foley cath

Back 33

Ectopic ureterocele