Subacute combined degeneration of the spinal cord
Paraesthesia of both upper extremities.
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T2 hyperintense signal mainly affecting the dorsal columns and extending from the cervical into the thoracic cord. No mass effect. No contrast enhancement.
Intrinsic factor deficiency was diagnosed and the patient was put on vitamin B12 replacement therapy.
Main differential diagnoses
- multiple sclerosis
- virus-associated myelopathy
- tabes dorsalis