History: Adolescent male with scrotal pain. This is a case of focal orchitis with pyocele, which characteristically appears as an ill-defined hypoechoic heterogenous lesion in the testicle on grayscale ultrasound, with increased flow on color Doppler ultrasound. This is distinguished from an intratesticular abscess by having internal flow on Doppler ultrasound. Intratesticular abscess would be … Continue reading
History: Adolescent male with scrotal pain. What is your diagnosis? What is your differential diagnosis? Comment, like, pin, share below!
History: 60 year old female with arm pain. This is a case of subclavian steal syndrome. Subclavian steal syndrome occurs when there is an occluded subclavian artery and collateral blood flow to the distal subclavian artery and arm is provided by reversed flow in the ipsilateral vertebral artery. As seen in the MR angiogram image … Continue reading
History: 60 year old female with arm pain. What is your diagnosis? Can you identify the salient findings? Comment, share, like, and pin below! Credit to Paul Murphy, M.D., Ph.D. for sharing these beautiful images!
History: 3 week old baby boy with vomiting. This is a classic case of pyloric stenosis, which is defined as idiopathic hypertrophy of the muscle that makes up the sphincter between the stomach and the first part of the duodenum, called the pylorus. Diagnostic features of pyloric stenosis on ultrasound includes a single wall thickness … Continue reading
History: 50 year old male with lower extremity swelling. This is an indirect sign of a deep vein thrombosis. Normally, flow within the deep venous system is low resistance with variation during inspiration and expiration as central venous pressure changes with the respiratory cycle and cardiac cycle (as is seen in the first image above … Continue reading
History: 50 year old male with lower extremity swelling Diagnosis? For the solution, click here.
History: 55 year old male with right upper quadrant pain. The normal gallbladder wall should measure 3 mm or less on ultrasound imaging. The differential diagnosis for diffuse gallbladder wall thickening includes cholecystitis, hepatitis, volume overload states such as heart failure, liver failure, and renal failure, hypoproteinemia, portal hypertension, and more rare causes such as … Continue reading
History: 50 year old male with abdominal pain and swelling. This is the typical appearance of cirrhosis on ultrasound. The best indicator of cirrhosis on ultrasound is a nodular contour to the liver surface, as seen above. Cirrhosis typically occurs in stages. Early on, the liver size may be enlarged. As cirrhosis progresses, the liver … Continue reading
History: 35 year old female with pelvic pain. Endometriosis is a condition in which endometrial cells (the cells that line the inside of the uterus) are found outside of the uterus within other areas of the body. Patients typically complain of painful menstruation, irregular bleeding, and infertility. When endometrial tissue forms a localized mass, such as … Continue reading