With ultrasound, the needle tip (arrow) could be precisely positioned within the rim to biopsy the viable portion of tumor and avoid the adjacent normal hepatocytes or necrotic portions of the lesion. Ultrasound Images & Clips Abnormal pancreas. Renal angiomyolipomas are usually incidental findings and usually involve the right kidney. The Bosniak classification (free These ultrasound images and the sonographic findings are typical of what is called hypertrophied column of Bertin. larger tumors may cause hematuria and may turn malignant. middle third of the right kidney. The above ultrasound images of the right kidney suggest a more ominous anomaly of the right and left ectopic kidneys (bilateral ectopic kidneys). ECTOPIC KIDNEY. An incidental finding of maternal horseshoe kidneys was observed. This is a relatively rare form of renal infection The right kidney shows a small cortical cyst and mild pelvic dilation. The affected kidney shows mild obstructive changes. 9.1 Left image: Intravenous pyelogram demonstrating normal configuration of a left kidney with upper-pole (white arrows), mid-pole (red arrows), and lower-pole (blue arrows) calyces. kidney. Main tests. Tumors 8. The pelvicalyces appear intact. References: Sonography of junctional parenchyma    (abstract), Ultrasound imaging of hypertrophied column of http://www.ajronline.org/content/141/3/575.full.pdf(free article), http://casereports.bmj.com/content/2010/bcr.01.2010.2624.full.pdf (free article), http://radiology.rsna.org/content/225/1/78.full.pdf+html(free article), 3D ultrasound images of exophytic renal cysts                                         viability of the kidney when large renal hematomas of this nature cause compression and resultant ischemia to the organ. system, by Joe Antony, MD, India. resulting in the destruction of the kidney from long standing chronic urinary obstruction with renal calculi. Again the other kidney is normal. He was clinically suspected to have a right renal mass. Ultrasound images are courtesy of Dr. Ravi Kadasne, M.D., UAE. These ultrasound images are suggestive of renal cell carcinoma. The kidney will lie obliquely in the ipsilateral iliac fossa. if the Nutcracker phenomenon is associated with symptoms due to this condition, such as hematuria, pelvic varices, varicocele and Often, the lower poles of the kidneys are difficult to visualize in such cases. Sonography of this 55 yr. old male patient, who presented with hematuria, reveal bilateral grossly enlarged kidneys (14 to 16 cms. Reference: http://emedicine.medscape.com/article/453831-diagnosis. http://radiology.rsna.org/content/236/2/441.full (excellent article with images- free). Wk 5 Renal Renal Pyramids Renal Renal Cell Carcinoma Sonography School . On physical examination, the patient was normotensive, tachycardic, and febrile, and he had mild diffuse abdominal tenderness. This is consistent with fatty liver. This 30 year old female patient was undergoing hemodialysis for long standing renal failure (chronic medical renal disease). Abuminuria and serum creatinine of 1 4 mg. Abnormal kidney ultrasound images. Possibly (see ultrasound images below), we were dealing Ultrasound images reveal absent right kidney in right renal fossa. cortical cyst; the term exophytic is used to denote the fact the cyst has bulged outside the outer margins of the renal surface, as opposed to renal cortical cysts that remain within the renal transverse plane (horiziontally). To facilitate the hemodialysis, this lady underwent a surgery to create an artificial AV fistulae in the arm. These ultrasound images of the cross fused renal ectopia with bilateral duplication of the collecting system are courtesy of Dr Ravi Kadasne, MD. The other form of XPN is the focal type Gray-scale image of the liver shows a primarily fluid-filled metastasis from colon cancer. 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