What measurements are used to evaluate a patient with pyloric stenosis?

All of the following are ways to determine the level of the spinal cord EXCEPT:

What soft tissue structure is seen to form a bridge of gray matter across the third ventricle when it is abnormal?

What is the “pseudokidney” or “sandwich” sign?

Jaundice is a pediatric patient (especially neonates and Infants) is most likely caused by:

The penis is made up 3 columns of spongy tissues.  What are the paired columns that lie lateral on the dorsal side?

What is the name when the knee is lower in position on the affected side of the neonate with DDH when the patient is supine and the knees are flexed?

Match the type of hydrocephalus with the correct description.

A 6-year-old presents with recurrent fever, right upper quadrant pain, and jaundice.  An abdominal sonogram is performed.  The liver and gallbladder appear normal, but a 2 cm cyst is seen communication with the common bile duct.  What is the most likely diagnosis?

A 2 year-old presents with colicky abdominal pain, vomiting and bloody, jelly stools.  What is the most likely diagnosis?