Fast Five Quiz: Can You Diagnose the Different Types of Spinal Muscular Atrophy?

Stephen L. Nelson, Jr, MD, PhD

December 06, 2018

Tongue fasciculations are pathognomonic for all types of SMA and occur in 56% of patients. This symptom is not present in any other neuromuscular disorder of infants.

Patients with SMA tend to have above-average intelligence, and they do not exhibit central nervous system abnormalities, such as seizures.

For more on pathognomonic abnormalities of SMA, read here.

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Cite this: Stephen L. Nelson. Fast Five Quiz: Can You Diagnose the Different Types of Spinal Muscular Atrophy? - Medscape - Dec 06, 2018.

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