RT Book, Section A1 Harper, Peter S. A1 Johnson, Keith A2 Valle, David L. A2 Antonarakis, Stylianos A2 Ballabio, Andrea A2 Beaudet, Arthur L. A2 Mitchell, Grant A. SR Print(0) ID 1181477397 T1 Proximal Myotonic Myopathy and the Type 2 Myotonic Dystrophy Mutation: Implications for Our Understanding of Myotonic Dystrophy T2 The Online Metabolic and Molecular Bases of Inherited Disease YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9780071459969 LK ommbid.mhmedical.com/content.aspx?aid=1181477397 RD 2024/04/24 AB Proximal myotonic myopathy (PROMM) received brief mention in the eighth edition of MMBID (page 5530) and in other reviews of myotonic dystrophy (Harper,8) as a recently recognized (1994) progressive myotonic disorder resembling myotonic dystrophy but with distinct clinical features. An extensive and unusual family reported with myotonic dystrophy but showing no chromosome 19 expansion (Ranum et al,19) was also noted, and the possible relationship to PROMM was raised.