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Tag: Kidney

Dromedary hump

Dromedary hump is a prominent focal bulge on the lateral border of the left kidney caused by splenic impression, which can mimic renal neoplasm. It is similar in appearance to […]

Renal cyst: simple or complex?

The diagnosis of a simple benign renal cyst on ultrasound requires the presence of all the following findings: a well-defined, roundish, anechoic structure, imperceptible near wall and thin echogenic far […]

Medullary nephrocalcinosis

Nephrocalcinosis: by default, we apply this term to ‘medullary’ calcification (= medullary nephrocalcinosis), though it can occur in renal cortex (e.g. in renal cortical necrosis of pregnancy or chronic active […]

Autosomal dominant polycystic kidney disease

Autosomal dominant polycystic kidney disease (ADPKD) is relatively a common genetic disorder, occurring in approximately 1 in every 400 – 1000 live births. It is generally an adult-onset, multisystem disorder […]

Parapelvic cyst mimicking hydronephrosis

Parapelvic cysts can mimic hydronephrosis because of their anechoic nature (like urine, clear fluid in the cysts is also black on ultrasound) and close proximity to the collecting system. Hydronephrosis […]

Hydronephrosis

On the sonogram, hydronephrosis appears as branching, interconnected areas of decreased echogenicity (anechoic or black in general, indicating the presence of fluid) in the renal collecting system. The source of […]