Pediatric

Question 1

Newborn boy with bulge on posterior neck…soft and fluctuant w/o sign of infection… most likely diagnosis?

How to diagnose? Treatment and Indications for treatment?

Answer 1

lymphatic malformation or cystic hygroma
[benign, cyst collection lined with lymphatic endothelium]

Dx: prenatal ultrasound

Tx: complete surgical resection is definitive treatment
- Indications: airway compromise, infection, hemorrhage, deformity/cosmesis.

Question 2

What is the diagnostic criteria on ultrasound for hypertrophic pyloric stenosis?

Answer 2

Pyloric wall thickness > 3mm

Pyloric channel length > 16mm