Internal Medicine/Neurology


Hewitt Ryan, MD

Associate Clinical Professor, UCSF


    Medical School: University of Colorado
    Internship: University of Alabama
Internal Medicine
Residency: University of Alabama
Neurology, Chief Resident       
    Fellowship: Neuromuscular Disease, University of Alabama, Birmingham
    Board Certified: Neurology, Clinical Electrophysiology
  1. Ryan HF, Kline LB, Gomez CR;  Congenital Horner's Syndrome  Resulting from Agenesis of the Internal Carotid Artery.  Ophthalmology  107:185-188, 2000.
  2. Odabasi Z, Demirci M, Kim DS, Lee DK, Ryan HF, Claussen GC, Tseng A, Oh SJ;  Postexercise facilitation of reflexes is not common in Lambert-Eaton myasthenic syndrome.  Neurology  59:1085-1087, 2002. 
  3. Oh SJ, Kurokawa K, de Almeida DF, Ryan HF Jr, Claussen GC.  Subacute inflammatory demyelinating poyneuropathy.   Neurology 9;61(11):1507-12.
  4. Seo JH, Ryan HF, Claussen GC, Thomas TD, Oh SJ; Sensory neuropathy in vasculitis: A clinical pathologic, and electrophysiologic study.  Neurology 63:874-878, 2004.
  5. Oh SJ, Kurokawa K, Claussen GC, Ryan HF Jr.;  Electrophysiological diagnostic criteria of Lambert-Eaton myasthenic syndrome. Muscle and Nerve. 34(4): 515-520, 2005.
  6. Oh SJ, Park KS, Ryan HF, Danon, MJ, Lu J, Naiani, AB, DiMauro Salvatore;  Exercise-induced Cramp, Myoglobinuria and Tubular Aggregates in Phosphoglycerate Mutase Deficiency.  Muscle and Nerve 34: 572-576, 2006. 
  7. Kizilay F, Ryan HF, Oh SJ;  Myasthenia gravis and Guillain-Barre Syndrome Occurring Simultaneously in the Same Patient.  Letter to Editor.  Muscle and Nerve  37:4, 544-546, 2008.