CT Texture Analysis of Cervical Lymph Nodes on Contrast-Enhanced [18F] FDG-PET/CT Images to Differentiate Nodal Metastases from Reactive Lymphadenopathy in HIV-Positive Patients with Head and Neck Squamous Cell Carcinoma

^aFrom the Departments of Radiology (H.K., N.G., M.M.Q., M.N.C., B.L., S.K.M., M.T.T., K.T., O.S.)
^bRadiation Oncology (M.M.Q., M.T.T., O.S.)
^cOtolaryngology–Head and Neck Surgery (O.S.), Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts
^dDepartment of Diagnostic Radiology (H.K.), National Cancer Center Hospital East, Kashiwa, Chiba, Japan
^eDepartment of Radiology (K.T.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan.

Please address correspondence to Osamu Sakai, MD, PhD, FACR, Department of Radiology, Boston Medical Center, Boston University School of Medicine, FGH Building, 3rd Floor, 820 Harrison Ave, Boston, MA 02118; e-mail: osamu.sakai{at}bmc.org