Controversy in Genetic Disorders-Reply

In Reply.— We wish to thank Dr Sybert, who has given us the opportunity to clarify the discrepancies between the text and the Table of our article. We hope that the Table accompanying this letter, compiled in accordance to the text, will clarify every question. Clinical and Electroneurophysiologic Data of Family Members* Patient/Age, yr/Sex PPK CMT Electrophysiologic Abnormalities Associated Defects I-1/M ND ND I-2/F ND ND II-1/F ND ND II-2/M ND ND II-3/62/M ND ND II-4/F ND ND -1/F ND ND III-2/52/M Clubbing of fingers III-3/45/F NP III-4/42/F Clubbing of fingers III-5/F NP III-6/40/M NP IV-1/F ND ND IV-2/31/M Myofibrillatory activity Clubbing of fingers IV-3/29/M Conduction velocity decreased HyperhidroIV-4/27/M Myofibrillatory activity Hyperhidrosis IV-5/24/F NP V-1/3/M NP V-2/1/F NP PPK indicates palmoplantar keratoderma; CMT, Charcot-Marie-Tooth disease; ND, not determined; and NP, not present. Changes under the heading "Electrophysiologic Abnormalities" are as follows. For patient III-5, "ND" should be changed to a