Posts Tagged ‘enlarged’

Ultrasound lectures 17 (Epididymitis)

Epididymitis
Clinical
Epidydimitis is usually caused by Chlamydia ssp., but Neisseria gonorrhoeae is also a common pathogen. It is most often found in post-pubertal, sexually active males. It presents as a tender and erythematous (acutely inflamed) epididymis. Urethral discharge, dysuria, fever and pyuria may also be present.
Exam
Begin with the patient in the supine position.  [...]

Ultrasound lectures 9 (Pancreatitis)

Pancreatitis
Clinical
Acute pancreatitis is most commonly caused by alcohol abuse or a gallstone impacted in the distal common bile duct. Inflammatory changes vary from mild interstitial edema to extensive necrosis with hemorrhage. Patient usually presents with deep epigastric pain that radiates to the back, nausea, vomiting, abdominal tenderness, fever, leuckocytosis, and [...]

Polycystic Kidney Disease (obstetric US)

Polycystic Kidney Disease

Autosomal recessive polycystic disease produces large, very echogenic kidneys (Fig 1A). The numerous very tiny cysts are usually too small to see with US. Amniotic fluid is minimal or absent.

Autosomal dominant polycystic disease may produce large echogenic kidneys with multiple cysts (Fig 1 B), but amniotic fluid volume is usually normal.

Figure 1 Polycystic [...]

Ultrasound lectures 7 (Biliary Dilatation)

Biliary Dilatation
Clinical
US is approximately 90% accurate in differentiating obstructive from non-obstructive jaundice by depicting the presence of biliary dilatation. Causes for biliary dilatation are impacted gallstone in CBD or at ampulla, benign stricture, pancreatic carcinoma , cholangitis, biliary surgery, and chronic pancreatitis.

In the transverse image, the common bile [...]

spleen

The Spleen
• Imaging techniques
• Normal anatomy
• Splenomegaly
• Malignant mass lesions
• Splenic infection
• Splenic trauma
• Other splenic disorders
IMAGING TECHNIQUES
Plain radiography is not routinely used in the evaluation of [...]

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