PMC9994300_01
B mode sagittal (left) and transverse (right) imaging planes of right kidney from case 1. Note the thin-walled, anechoic 5 cm simple cyst at the inferior pole of the kidney with posterior acoustic enhancement.
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A referral ultrasound study confirmed a 5 cm simple cyst at the inferior pole of the right kidney (Figure 1, 2).
Doppler mode sagittal imaging plane of right kidney from case 1 demonstrating patent renal vasculature and absence of flow within the cyst.
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A referral ultrasound study confirmed a 5 cm simple cyst at the inferior pole of the right kidney (Figure 1, 2).
PMC9994300_02
Sagittal imaging plane of right kidney fossa from case 2 demonstrating liver, but no kidney present.
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The attending nephrologist sent the nephrology fellow for a referral study which again demonstrated an empty right renal fossa (Figure 3) and normal left kidney.
Oblique imaging plane of right iliac fossa from case 2 demonstrating the presence of renal parenchyma in this ectopic location.
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Ultimately a pelvic kidney was identified in the right iliac fossa with patent vasculature and present right ureteral jet (Figure 4, 5).
Doppler mode oblique imaging plane of right iliac fossa from case 2 demonstrating the presence of patent renal vasculature within the renal parenchyma in this ectopic location.
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Ultimately a pelvic kidney was identified in the right iliac fossa with patent vasculature and present right ureteral jet (Figure 4, 5).
PMC9994300_03
B mode sagittal imaging plane of right kidney demonstrating junctional parenchymal defect with characteristic "shark's tooth" appearance. Note overlying liver isoechoic to kidney cortex.
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He discovered a junctional parenchymal defect on his right kidney which he recognized by its distinctive appearance from a prior kidney ultrasound seminar (Figure 6).