Discrimination between Neoplastic and Nonneoplastic Brain Lesions by Use of Proton MR Spectroscopy: The Limits of Accuracy with a Logistic Regression Model

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.

a From the Departments of Radiology, Biophysics (J.B., R.P., V.C., K.D., R.N., W.B., S-J.L., V.H., L.M., T.K., W.M., G.M., H.K., S.R.), Neurosurgery (W.M., G.M.), and Neurology (H.K.), Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Family Practice (V.K.C.), University of Illinois College of Medicine at Rockford, Rockford, Illinois; Department of Radiology (V.H.), University of Wisconsin Hospitals and Clinics, Madison, Wisconsin; and the Department of Radiology (T.K.), University of Washington Medical Center, Seattle, Washington.