RT Book, Section A1 Waxman, Stephen G. SR Print(0) ID 1137639166 T1 Discussion of Cases T2 Clinical Neuroanatomy, 28e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9780071847704 LK accessmedicine.mhmedical.com/content.aspx?aid=1137639166 RD 2024/04/24 AB As outlined in Chapter 4, the important question, "Where is the lesion?" (or "What is the precise location of the deficit?"), must be followed by the equally important question, "What is the lesion?" (or "What is the nature of the disease?"). The answers should lead to the differential diagnosis and correct diagnosis and should guide therapy.