Maternal Physiologic hydronephrosis in Pregnancy

Pregnancy-related hydronephrosis, more precisely physiologic maternal renal pelvis dilatation is common and the incidence is estimated to be as high as 80%. The dilatation of the pelvis and ureter typically […]

The Shred Sign

As we have seen previously, lobar consolidations tend to be well-defined, often accompanied by a small pleural effusion. However, small subpleural consolidations (of course, ultrasound does not detect if they […]

The TIE fighter sign

These days, portable automated bladder scanners are widely used to check for urinary retention in hospitalized patients. They certainly avoid the need for invasive chatheterizations but cannot differentiate between urine […]

Renal abscess

A middle-aged man with diabetes mellitus type 2 presented with fever, chills and malaise. Urinalysis revealed pyuria and was positive for nitrite. Renal sonogram demonstrated a heterogeneous mass-like structure in […]

Am I seeing two urinary bladders?

We previously talked about the double bladder sign in female patients indicative of ovarian torsion. Here are images from a middle-aged gentleman, where the suprapubic scan revealed two anechoic structures, […]

Cervical mass

The cervix is not well visualized on transabdominal scans in most patients. The endovaginal approach usually results in more optimal visualization because the transducer can be placed closer to the […]

Lung Mass

Occasionally, you may stumble upon a lung mass while evaluating for B lines or other common pathologies. Particularly, ultrasonography is good at detecting primary and metastatic lung masses adjacent to […]

A 14-year-old ESRD boy with shortness of breath

Here is a POCUS case shared by Dr. Hamidreza Badeli, Director of Pediatric Diseases Research Center at Guilan University of Medical Sciences. A quick bedside ultrasound examination helped diagnose generalized […]

Other views of the heart

Please refer to ‘Focus on POCUN‘ series on the Renal Fellow Network for brief notes on other echocardiographic windows. Parasternal long axis or the PLAX view Parasternal short axis or […]

Double Bladder Sign

In a female patient presenting with lower abdominal pain, abnormal ovarian (cyst) location, that is, in midline above the uterus and adjacent to urinary bladder on transabdominal scan suggests ovarian […]

Lung contusion

While nephrologists are not the first line of contact for trauma patients, we are often asked to evaluate the need for renal replacement therapy in these patients. It is important […]

Renal angiomyolipoma

A classic angiomyolipoma (AML) has abundant fat and therefore appears hyperechoic on a sonogram, similar to the sinus fat. Acoustic shadowing may be seen in up to a 3rd of […]

This jellyfish is not atelectasis!

Previously, we talked about atelectasis and pneumonic consolidations. Here is a unique case shared by Dr. Kylie Baker @kyliebaker888, where misdiagnosis could have lead to deleterious consequences. A 70-year-old man […]

Stone-In-Neck phenomenon

Stone-In-Neck or the ‘SIN’ sign is when you see an immobile stone lodged in the gallbladder neck, without any anechoic space between the neck and the stone. It is suggestive […]

Renal milk of calcium cysts

Renal milk of calcium refers to the viscous colloidal suspension of calcium salts found either within a calyceal diverticulum or within a simple renal cyst. Unlike stones, milk of calcium […]