Liver

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Metabolic diseases

Ultrasound images of diseases of the liver:

 

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Normal anatomical variants:

The papillary process of the caudate lobe of liver:

1)                                                                                    2)

sonography of the papillary process of caudate lobe     papillary process of caudate lobe mimics pancreatic mass

3)                                                                               4)

showing the relation of process to caudate lobe     papillary process of the caudate lobe

This patient presented with abdominal discomfort and underwent sonography of the abdomen. Ultrasound images show a rounded mass in the region of the pancreatic head and isthmus. It shows the same echogenicity as the liver (see 1 and 2). This suggested the possibility of a pancreatic mass, possibly malignant. However, images 3 and 4, reveal a different diagnosis- the possible "mass" appears to be an extension of the caudate lobe of the liver. These ultrasound images are diagnostic of "papillary process of the caudate lobe of liver."This normal variant may thus mimic pancreatic or preaortic lymph node masses.

Images courtesy of Dr. Ravi Kadasne, UAE.

Reference: http://radiology.rsnajnls.org/cgi/reprint/173/3/631.pdf (free article and images)-- rated excellent.

Elongated Left Lobe of Liver (the Beaver Tailed Liver):

left lobe of liver overlies the spleen     left lobe of liver appears hypoechoic

In certain thin individuals (usually seen in thin women), the left lobe of liver appears elongated (see ultrasound images above), and overlies the spleen. In the above pictures, the spleen is seen to be hyperechoic compared to the left lobe (the so called "beaver tailed liver"). Ultrasound images courtesy of Dr. Ravi Kadasne, UAE. The machine used here is the Philips IU 22.

1) Liver cyst:

ultrasound image showing right lobe of liver      sonography of liver

Ultrasound image of liver cyst

This elderly male patient came for routine sonography of the abdomen. Ultrasound images reveal an anechoic lesion in the right lobe of the liver, with thin walls and clear fluid content. A small projection is seen from the wall. This may be thickening of the wall or a fine nodule. These findings suggest a liver cyst. Differential diagnosis: biliary cystadenoma. Liver cysts are true cysts of the liver and have fluid content lined by epithelium. Images taken using a Pie Scanner 100 Falco.

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Reference:  

1) http://www.emedicine.com/med/topic2716.htm (free article and images)

2) http://www.emedicine.com/med/topic492.htm (free article)

2) Liver metastases:

liver masses     ultrasound images of liver

Ultrasound images of liver metastases

These ultrasound images of the liver reveal multiple, focal, echogenic mass lesions throughout the liver. The liver shows a nodular appearance. Such mass lesions may be due to hepatocellular carcinoma, Gastrointestinal malignancies or renal carcinoma. The more echogenic the masses, the masses are likely to be more vascular in nature. There is also associated pleural effusion and ascites.

Images taken using a Toshiba Xario machine. Images courtesy of Dr. Gunjan Puri, Surat, India.

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  This page was last edited on: Wednesday November 26, 2008 04:36 PM  

Copyright ©   2007- All rights reserved- www.ultrasound-images.com Dr. Joe Antony, MD,    265, Girinagar, Cochin- 20, India.

Contact: joe@ultrasound-images.com or drjoea (at) gmail.com