Numbness/paresthesia

What imaging may be useful in the workup of numbness/paresthesia?

Imaging (MRI/CT scan) of the brain and/or spinal card is necessary for the workup.

How does a patient with numbness/paresthesia typically present?

Paresthesia: an abnormal dermal sensation due to compromised nerve function. Commonly presents impaired sensations as prickling, tingling, itching, burning or cold, skin.

What are common etiologies of numbness/paresthesia?

Symptoms usually arise from nerve damage or are compromised due to injury, decreased blood flow, or toxins. Numbness is often caused by damage, irritation or compression of nerves. Diabetes (very common due to the destruction of the nerves due to the elevated glucose). Nerve root pathology (impingement and compression of the nerves). Central pathology (Brain causes such as Multiple Sclerosis, CVAs, etc.).