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Parkinson's Disease

Rubral tremor

09/28/1998

Question:

I recently came across a term in a neurology report - ...ruboral tremor.. I can't find it described in my medical dictionaries. Could you explain what it is and its significance (provided it wasn't a typo error.)

Answer:

The correct term is rubral tremor. "Rubral" refers to the red nucleus which is a collection of neurons in the midbrain. A stroke or a tumor that affects this nucleus can result in a tremor. Other conditions like multiple sclerosis can also cause a rubral tremor. A tremor that is similar in appearance can occur with lesions affecting other areas as well and is loosely labelled rubral tremor.

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Response by:

Arif Dalvi, MD
Assistant Professor
College of Medicine
University of Cincinnati