A 66-year-old female presents with numbness in their left arm. | Medibuddy
28th May 2025

A 66-year-old female presents with numbness in their left arm.

A 66-year-old female presents with numbness in their left arm. On examination, she has impaired sensation throughout the left arm to light touch, vibration sensation, pinprick, and joint position sense.

Given the clinical findings, where is the most likely affected site within the central nervous system?

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