This male infant is scanned for extensive vomiting resulting in dehydration. You obtain these images. What is the most likely diagnosis?

What is the structure labeled “E”?

Which of the following is NOT a typical feature of a benign breast mass?

Where are the rete testis located?

This image was taken during a thyroid ultrasound.  This patient has a history of hypercalcemia. What is most likely demonstated at the yellow arrow?

Identify structure number 2.

An eight year old boy presents for a scrotal ultrasound. Clinically, no testicles were palpated in the scrotal sac. During the scan, a homogeneous ovoid mass is noted in the left inguinal canal. What is the most likely diagnosis for this boy?

Indicate what is being identified by the yellow arrow.

What is cystic dilatation of the efferent ductules referred to as?

What is the name for the fluid collection demonstrated in this shoulder joint image?