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Tag: Kidney

An uncommon cause of bilateral hydronephrosis

A middle-aged gentleman was seen for elevated serum creatinine. He had a history of recurrent urinary tract infections, urinary urgency, and microscopic hematuria for about 2 years. Kidney ultrasound demonstrated […]

Cyst or hydronephrosis?

Previously, we learned that parapelvic cysts can mimic hydronephrosis. However, any large cyst can be confused with hydro if you do not scan the kidney in both planes. For example, […]

Questionable hydroureter seen in the clinic

A middle-aged man was seen in the nephrology clinic after a recent hospitalization for acute pyelonephritis and acute kidney injury (AKI) requiring a few sessions of dialysis. AKI was thought […]

Sonographic appearance of an ureteral stent

Here is the image of right kidney obtained from a patient with history of obstructive uropathy. Note the hyperechoic double-lined structure in the collecting system area: that’s ureteral stent. Here […]

Retroperitoneal hematoma

While performing POCUS, it is important to pay attention to what’s happening ‘around’ the kidney as well – sometimes it can save lives. Here are sonographic images obtained from a […]

The ‘double line’ sign

These images were obtained from a dialysis patient during routine screening for renal cell carcinoma. In addition to kidneys being small with thin parenchyma, note the hypoechoic, sharply demarcated area […]

Lymphomatous infiltration of the kidney

Following renal ultrasound images were obtained from a patient with diffuse large B-cell lymphoma with extensive spread all over the body including central nervous system. Indication for the study: acute […]

Horseshoe Kidney

Horseshoe kidney is the most common renal fusion abnormality characterized by fusion of one pole of each kidney, typically the lower pole. The connection or the isthmus lies in the […]