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腎臟 Case 18 Renal cyst
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ID: KidRM-RC_case1
撰寫人:台兒
雷嘉怡放射師

胎兒先天性腎臟病 Case 18

- G2P1
- Denied any family history of renal diseases
- Not karyotyped
- First visit at Taiji Clinic: 22+4 weeks of gestation

Size of renal cysts
22+4 weeks: one right renal cyst: 5.3*4.3 mm
27+4 weeks: two right renal cysts: 6.4*5.8 mm, 5.3*3.3 mm
31+4 weeks: two right renal cysts: 7.0*4.9 mm, 5.7*2.6 mm
35+6 weeks: two right renal cysts: 6.8*4.2 mm, 5.5*2.4 mm

Image 1 :  Parasagittal view of right kidney.

One well-defined and anechoic lesion (5.3*4.3 mm) (arrow) within right kidney, suspected simple renal cyst.

Image 2 : Coronal view of right renal cyst (arrow).

Image 3 :  Parasagittal view of right kidney.

One well-defined and anechoic cystic lesion (6.4*5.8 mm) (arrow) within right kidney.

Normal corticomedullar differentiation and size of this kidney.

Image 4 : Parasagittal view of right kidney.

The other well-marginated and anechoic cystic lesion (5.3*3.3 mm) (arrow) at the lower part of right kidney.

Image 5: Axial view of right kidney.

These two renal cysts (arrows). The smaller one (blue arrow) was a new finding.

Image 6: Parasagittal view of right kidney.

One well-defined and anechoic cystic lesion (7.0*4.9 mm) (arrow) within right kidney.

Normal corticomedullary differentiation and size of this kidney.

Image 7: Parasagittal view of right kidney.

The other well-defined and anechoic cystic lesion (5.7*2.6 mm) (arrow)

Image 8: Axial view of right kidney.

Two renal cysts with stable size, no rapid growth noted as the gestation progressed.

Image 9: Parasagittal view of right kidney (arrow).

Normal size and normal corticomedullary differentiation of right kidney.

Image 10: Parasagittal view of left kidney (arrow).

Normal size and normal corticomedullary differentiation of left kidney.

Image 11: Parasagittal view of right kidney.

One well-defined and anechoic cystic lesion (6.8*4.2 mm) (arrow) within right kidney.

Image 12: Parasagittal view of right kidney.

The other well-marginated and anechoic cystic lesion (5.5*2.4 mm) (arrow).

- NSD at GA 37 weeks (BW:2700+ gm)
- Renal cysts persisted after birth
- Regular follow up , no specific complication