A 6-year-old child complains of bilateral thigh pain, motor weakness, and some sensory deficits of both lower limbs; he has a history of bladder dysfunction over the past 2 weeks; MRI of the spinal cord shows a mass arising from the filum terminale and conus medullaris causing some pressure effect. A CNS tumor is suspected. Which of the following tumor is MOST likely arising in such site?

A 6-year-old child complains of bilateral thigh pain, motor weakness, and some sensory deficits of both lower limbs; he has a history of bladder dysfunction over the past 2 weeks; MRI of the spinal cord shows a mass arising from the filum terminale and conus medullaris causing some pressure effect. A CNS tumor is suspected. Which of the following tumor is MOST likely arising in such site?

In Langerhans cell histiocytosis (LCH), which organ is LEAST likely affected?

According to the Health Insurance Portability and Accountability Act, a healthcare facility may release patient information without obtaining permission from the patient or family when there is a request from a:

A worried mother of a 4-year-old boy describing attacks of inconsolable crying episodes. The MOST appropriate action is

Head circumference (HC) increase in the first 3 months of life by