A Previously Healthy 16-Year-Old Boy Is Evaluated for Progressive Headaches

question 795

Multiple Choice

A previously healthy 16-year-old boy is evaluated for progressive headaches and blurred vision that started several months ago.  The headaches are more severe upon waking up in the morning and are often accompanied by nausea and vomiting.  He takes no medications and does not use tobacco, alcohol, or illicit drugs.  Physical examination is notable for bilateral papilledema.  MRI of the brain is shown in the exhibit.  This patient's brain lesion most likely originated from which of the following cells?

• A)Astrocytes
• B)Ependymal cells
• C)Microglia
• D)Neurons
• E)Oligodendrocytes
• F)Schwann cells
• G)Vascular endothelial cells

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Definitions:

Body Position

The arrangement or posture of the body, which can affect physical comfort, health, and performance in various activities.

Thermotherapy

Treatment using heat for therapeutic purposes to relieve pain and promote healing.

Swing-through Gait

A swing-through gait is a type of walking pattern where an individual moves both crutches forward and then swings both legs through the crutches, often used by people with lower limb disabilities.

Two-point Gait

A walking method using two points of support, such as crutches or canes, alternately with either foot to aid in mobility.