Author Archive: pediatricultrasound

Window to the Posterior Fossa

The mastoid fontanelle provides additional information on the structures of the posterior fossa. It is easily taught and applied, doesn’t extend the length of the examination and has a high diagnostic yield. The mastoid fontanelle is an intregal part of our routine cranial ultrasound series. Limitations of imaging the posterior fossa via the anterior fontanelle …

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Spinal Ultrasound -Normal Variants -part 2

In a previous post about normal variants of the neonatal spinal cord, two of the more common variants were covered, a ventriculus terminalis and a filar cyst. In this post the remaining two spinal cord variants which are detected under ultrasound are covered. They are the prominent filum terminale and the pseudo sinus tract. The …

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Small Bowel Intussusception

When is an intussusception not an intussusception?  When its a small bowel intussusception.   Small bowel intussusceptions like their counterparts the large bowel intussusceptions are the prolapsing of one part of the bowel into the immediately adjacent part of bowel. Unlike the large bowel intussusception, small bowel intussusception generally don’t require intervention, are self limiting …

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Spinal Ultrasound -normal variants

There are several normal variants of the neonatal spinal cord which can be imaged under ultrasound. Two of the more common variants are both cystic, a ventriculus terminalis and a filar cyst. A ventriculus terminalis is an ependymal-lined fusiform dilatation of the central canal at the tip of the conus medullaris where it becomes the …

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Connatal cysts -Neonatal cranial ultrasound

Connatal cysts are a normal variant in neonatal brains

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