Naganawa Shinji | Department Of Radiology Nagoya University Graduate School Of Medicine
スポンサーリンク
概要
- NAGANAWA Shinjiの詳細を見る
- 同名の論文著者
- Department Of Radiology Nagoya University Graduate School Of Medicineの論文著者
関連著者
-
Naganawa Shinji
Department Of Radiology Nagoya University Graduate School Of Medicine
-
NAGANAWA Shinji
Department of Radiology, Nagoya University Graduate School of Medicine
-
Kawai Hisashi
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Sone Michihiko
Department Of Otorhinolaryngology Nagoya University Graduate School Of Medicine
-
KAWAI Hisashi
Department of Radiology, Nagoya University Graduate School of Medicine
-
NAKASHIMA Tsutomu
Department of Otorhinolaryngology, Nagoya University Graduate School of Medicine
-
Yamazaki Masahiro
Department Of Chemistry Tokyo Institute Of Technology
-
Ishigaki Takeo
Department Of Radiology Nagoya City University Medical School
-
Ishigaki Takeo
Dept. Radiol. Fac. Med. Nagoya Univ.
-
石口 恒男
名古屋大学 放射線
-
Fukatsu Hiroshi
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Nakashima Tsutomu
Department Of Otorhinolaryngology Nagoya University Graduate School Of Medicine
-
深津 博
名古屋大学医学部附属病院 放射線部
-
ISHIGAKI Takeo
Department of Radiology, Nagoya University School of Medicine
-
石口 恒男
名古屋大学放射線科
-
Fukatsu Hiroshi
名古屋大学医学部附属病院 放射線部
-
FUKATSU Hiroshi
Department of Radiology, Nagoya University Hospital
-
深津 博
名古屋大学医学部放射線科
-
SONE Michihiko
Department of Otorhinolaryngology, Nagoya University Graduate School of Medicine
-
Fukatsu H
Tsukuba Research Institute Banyu Pharmaceutical Co. Ltd
-
伊藤 茂樹
名古屋大学医学部保健学科放射線技術学専攻
-
Itoh Shigeki
Department Of Technical Radiology Nagoya University School Of Health Sciences
-
Yamazaki Masahiro
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Iwano Shingo
Department Of Radiology Nagoya University Graduate School Of Medicine
-
YAMAZAKI Masahiro
Department of Radiology, Nagoya University Graduate School of Medicine
-
Maruyama Katsuya
Siemens-asahi Medical Technologies Ltd.
-
Ikeda Mitsuru
Department Of Medical Information And Medical Records Nagoya University Hospital
-
Maruyama Kunihiro
Siemens-asahi Medical Technologies Ltd.
-
深津 博
名古屋大学医学部放射線医学教室
-
深津 博
名古屋大学放射線科
-
深津 博
国立療養所鈴鹿病院 神経内科
-
NIHASHI Takashi
Department of Radiology, Nagoya University Graduate School of Medicine
-
SATAKE Hiroko
Department of Technical Radiology, Nagoya University Graduate School of Medicine
-
深津 博
名古屋大学 医学部放射線科
-
IWANO Shingo
Department of Radiology, Nagoya University Graduate School of Medicine
-
Nihashi Takashi
Department Of Neurosurgery Nagoya University School Of Medicine
-
Ishiguchi Tsuneo
Department Of Radiology Aichi Medical University
-
Satake Hiroko
Department Of Radiology Nagoya University Graduate School Of Medicine
-
石口 恒男
愛知医科大学医学部放射線科
-
ISHIGUCHI TSUNEO
Department of Radiology, Nagoya University School of Medicine
-
Ishihara Shunichi
Department of Human Science, Bunkyo University
-
IKEDA Mitsuru
Department of Neurosurgery,Rokko Island Hospital
-
ENDO Tokiko
Department of Radiology, National Nagoya Hospital
-
Ikeda Mitsuru
名古屋大学 大学院医学系研究科放射線医療学
-
Ishihara Shunichi
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Endo Tokiko
Department Of Advanced Diagnosis Clinical Research Center National Hospital Organization Nagoya Medi
-
Ishihara Shunichi
Department Of Human Science Bunkyo University
-
OGAWA Hiroshi
Department of Pathology, Seirei Mikatahara General Hospital
-
SAKURAI Yasuo
Department of Radiology, Teine Keijinkai Hospital
-
Ogawa Hiroshi
Department Of Anatomy And Neurobiology Kyoto Prefectural University Of Medicine
-
MARUYAMA Kunihiro
Department of Radiology, Nagoya University School of Medicine
-
Mimura Takeo
Department Of Radiology First Kamiida General Hospital
-
Nihashi Takashi
Department Of Radiology National Center For Geriatrics And Gerontology
-
Itoh Shigeki
Department Of Radiological Technology Nagoya University School Of Health Sciences
-
Kato Katsuhiko
Department Of General Education School Of Veteriary Medicine University Of Azabu
-
TAKIZAWA Osamu
Siemens-Asahi Medical Technologies Ltd.
-
Ito Tokiko
Department Of Radiology Nagoya University School Of Medicine
-
Sakurai Yasuo
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Endo Tokiko
Departments Of Radiology Nagoya National Hospital
-
Endo Tokiko
Nagoya National Hospital Breast Group
-
KOSHIKAWA Tokiko
Department of Radiology, Nagoya University School of Medicine
-
Itoh Shigeki
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Koshikawa Tokiko
Department Of Radiology Nagoya University School Of Medicine
-
Komada Tomomi
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Maruyama Kunihiro
Department Of Radiology Nagoya University School Of Medicine
-
伊藤 健吾
名古屋大学放射線科
-
Ito Kengo
Department Of Brain Science And Molecular Imaging National Institute For Longevity Sciences
-
Ito Kengo
藤田保健衛生大学 放射線医学
-
伊藤 健吾
国立中部病院長寿医療研究センター生体機能研究部
-
Ito Kengo
Department Of Brain Science And Molecular Imaging National Center For Geriatrics And Gerontology
-
Ichihara Shu
Department Of Pathology Nagoya Medical Center
-
Ichihara Shu
Department Of Pathology Nagoya National Hospital
-
Kato Katsuhiko
Department of Radiology, Nagoya University Hospital
-
KATO Takashi
Department of Pharmaceutical Research, Tsukuba Research Laboratories, Eisai Co., Ltd.,
-
YAMAKAWA Kouji
Department of Radiology, Tosei General Hospital
-
Kato Takashi
Department Of Brain Science And Molecular Imaging National Institute For Longevity Sciences
-
Kato Kayoko
Department Of Radiology Nagoya University School Of Medicine
-
IMURA Chiaki
Siemens-Asahi Medical Technologies
-
KATAGIRI Toshio
Department of Surgery (Omori), Toho University School of Medicine
-
Imura Chiaki
Siemens-asahi Medical Technologies Ltd.
-
石口 恒男
Department Of Radiology Nagoya University School Of Medicine
-
HAYASAKA Kazumasa
Department of Radiology, National Center for Geriatrics and Gerontology
-
KATO Rikio
Department of Radiology, National Center for Geriatrics and Gerontology
-
MATSUSHIMA Masaya
Department of Radiology, Nagoya University Graduate School of Medicine
-
KOMADA Tomohiro
Department of Radiology, Nagoya University Graduate School of Medicine
-
ITO Kiyonobu
Hokushin General Hospital
-
Endo Tokiko
Department Of Radiology National Hospital Organization Nagoya Medical Center
-
KAWAMURA Minako
Department of Radiology, Nagoya University Graduate School of Medicine
-
Ito Kengo
Department Of Biofunction Research National Institute For Longevity Sciences
-
Ito T
Department Ofradiology Nagoya University School Of Medicine
-
Kato Rikio
Department Of Radiology National Center For Geriatrics And Gerontology
-
Ichihara Shu
Department Of Pathology And Clinical Laboratories Nagoya National Hospital
-
Sato Kimihide
Departments Of Radiology Kamiiida Daiichi General Hospital
-
Yamakawa Kouji
Department Of Radiology Nagoya University School Of Medicine
-
KISHIMOTO Hideo
Departments of Surgery, Kamiiida Daiichi General Hospital
-
Katagiri Toshio
Departments Of Radiology Kamiiida Daiichi General Hospital
-
Katagiri Toshio
Department Of Surgery (omori) Toho University School Of Medicine
-
Kawamura Minako
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Kishimoto Hideo
Departments Of Surgery Kamiiida Daiichi General Hospital
-
ICHINOSE Nobuyasu
Toshiba Medical Systems, Tokyo
-
Ichihara Shu
Departments Of Pathology Nagoya National Hospital
-
BOKURA Kiminori
Department of Radiology, Nagoya University Graduate School of Medicine
-
Matsushima Masaya
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Hayasaka Kazumasa
Department Of Radiology National Center For Geriatrics And Gerontology
-
SHIMADA Hiroshi
Department of Cardiology, Yokohama-Minami Kyosai Hospital
-
加藤 隆司
国立長寿医療研究センター生体機能研究部
-
YATSUYA Hiroshi
Department of Public Health/Health Information Dynamics, Field of Social Life Science, Program in He
-
加藤 隆司
国立長寿医療センター長寿脳科学研究部
-
Ito Yoshiyuki
Department of Radiology, Nagoya University Graduate School of Medicine
-
IMAI Tsuneo
Department of Operative Dentistry, Showa University, School of Dentistry
-
Ito Yoshiyuki
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Takeda Akinori
Department Of Neurology National Center For Geriatrics And Gerontology
-
SAWAKI Masataka
Department of Medical Oncology, Cancer Institute Hospital and Cancer Chemotherapy Center, Japanese F
-
SUGIURA Makoto
Department of Neurosurgery, Neurological Institute, Tokyo Women's Medical School
-
Kato Katsuhiko
Department Of Radiological Technology Nagoya University School Of Health Sciences
-
Suzuki Koujiro
Department of Radiology, Nagoya University Graduate School of Medicine
-
ISHIGAKI Satoko
Department of Radiology, Nagoya University Graduate School of Medicine
-
ISOMURA Takayuki
Department of Radiology, Nagoya National Hospital
-
ITOH Kengo
Department of Biofunctional Research, National Institute for Longevity Sciences
-
OTAKE Hironao
Department of Otorhinolaryngology, Nagoya University Graduate School of Medicine
-
KATO Kayoko
Department of Analytical Chemistry, Faculty of Pharmaceutical Sciences, Hoshi University
-
SAKURAI TSUNEHISA
First Department of Surgery, Nagoya University School of Medicine
-
ITO Shinji
Department of Radiology, Toyota Memorial Hospital
-
TACHI Yasushi
Department of Radiology, Komaki City Hospital
-
MARUO Takashi
Department of Obstetrics and Gynecology, Kobe University School of Medicine
-
Tachi Yasushi
Department Of Radiology Komaki City Hospital
-
Hasegawa Yasuhisa
Department Of Applied Chemistry Kyushu University
-
Fukatsu Hiroshi
Department Of Radiology Nagoya University Hospital
-
Kato Kayoko
Department Of Analytical Chemistry Faculty Of Pharmaceutical Sciences Hoshi University
-
Imai Tsuneo
Department Of Breast And Endocrine Surgery Nagoya University Graduate School Of Medicine
-
Yatsuya Hiroshi
Department Of Pubic Health Nagoya University School Of Medicine
-
AOYAMA Hideaki
Department of Surgery, National Nagoya Hospital
-
ZHANG Yu
Department of Electronic Engineering, Tsinghua National Laboratory for Information Science and Techn
-
ITOU Toshihide
Department of Hematology, National Center for Geriatrics and Gerontology
-
SOBAJIMA Takashi
Department of Radiology, National Center for Geriatrics and Gerontology
-
KAWATSU Shoji
Department of Radiology, Kyoritsu General Hospital
-
SATO Yasuyuki
Department of Surgery, Surgery, Nagoya National Hospital
-
OHIWA Mikinao
Department of Surgery, Surgery, Nagoya National Hospital
-
TOYA Reiko
Department of Radiology, Nagoya University Graduate School of Medicine
-
ITO TOKIKO
Department of Surgery, Nagano Matsushiro General Hospital
-
ARAHATA Yutaka
Department of Neurology, National Center for Geriatrics and Gerontology
-
IWAI Katsushige
Department of Neurology, National Center for Geriatrics and Gerontology
-
WASHIMI Yukihiko
Department of Neurology, National Center for Geriatrics and Gerontology
-
YOSHIMURA Kumiko
Department of Brain Science and Molecular Imaging, National Center for Geriatrics and Gerontology
-
MIZUNO Kanako
Department of Brain Science and Molecular Imaging, National Center for Geriatrics and Gerontology
-
Shimada Hiroshi
Department Of Biological Sciences Graduate School Of Bioscience And Biotechnology Tokyo Institute Of
-
Ikeda Mitsuru
Department Of Radiological Technology Nagoya University School Of Health Sciences
-
Endo Tokiko
Department Of Radiology Nagoya National Hospital
-
NAKANE Toshiki
Department of Radiology, Nagoya University Graduate School of Medicine
-
KUBOTA Seiji
Department of Radiology, Nagoya University Graduate School of Medicine
-
KOMADA Tomomi
Department of Radiology, Nagoya University School of Medicine
-
Toya Reiko
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Itoh Kengo
Department Of Biofunctional Research National Institute For Longevity Sciences
-
Segawa Toru
Toshiba Inc.
-
Nakane Toshiki
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Yamamoto Eiko
Department Of Obstetrics And Gynecology Nagoya University Graduate School Of Medicine
-
Yamamoto Eiko
Department Of Electrical And Computer Engineering Kanazawa University
-
Mizuno Kanako
Department Of Brain Science And Molecular Imaging National Center For Geriatrics And Gerontology
-
Mizuno Kanako
Department Of Applied Chemistry And Institute Of Colloid And Interface Science Science University Of
-
Kawatsu Shoji
Department Of Radiology Kyoritsu General Hospital
-
Sato Yasuyuki
Department Of Surgery Surgery Nagoya National Hospital
-
Sato Yasuyuki
Department Of Physics Faculty Of Science University Of Tokyo
-
Ohiwa Mikinao
Department Of Surgery Surgery Nagoya National Hospital
-
Otake Hironao
Department Of Otorhinolaryngology Nagoya University Graduate School Of Medicine
-
Miyata Tomoko
Department Of Pathology And Clinical Laboratories Nagoya University Hospital
-
Kobayashi Miya
Department Of Anatomy Nagoya University School Of Medicine
-
Itoh Yoshiyuki
Department Of Radiation Oncology Aichi Cancer Hospital Nagoya Japan
-
Arahata Yutaka
Department Of Neurology National Center For Geriatrics And Gerontology
-
Itou Toshihide
Department Of Hematology National Center For Geriatrics And Gerontology
-
Aoyama Hideaki
Department Of Physics College Of Liberal Arts And Sciences Kyoto University
-
Aoyama Hideaki
Departments Of Surgery Nagoya National Hospital
-
Suzuki Koujiro
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Sugiura Makoto
Department Of Neurosurgery Tokyo Women's Medical College
-
Naganawa Shinji
Department Of Radiology Nagoya University Post Graduate School
-
Naganawa Shinji
Department Of Radiology Nagoya University School Of Medicine
-
Itoh Shigeki
Department Of Radiology Nagoya University School Of Medicine
-
Iwai Katsushige
Department Of Neurology National Center For Geriatrics And Gerontology
-
AOKI Ikuo
Toshiba Medical Systems
-
MIURA Shunichi
Department of Radiology, Toyohashi Municipal Hospital
-
KANAZAWA Hitoshi
Toshiba Medical Systems
-
Miura Shunichi
Department Of Radiology Toyohashi Municipal Hospital
-
NISHIO Akiko
Department of Radiology, Nagoya University Graduate School of Medicine
-
Suzuki Kojiro
Department Of Advanced Energy Graduate School Of Frontier Sciences The University Of Tokyo
-
Kubota Seiji
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Nishio Akiko
Department Of Radiology Nagoya University Graduate School Of Medicine
-
ISHIGUCHI Tuneo
Department of Radiology, Nagoya University School of Medicine
-
MIYAZAKI Mitsue
Toshiba Nasu Works
-
NAGAO Ryouichi
Department of Radiology, Nagoya National Hospital
-
UCHIUMI Kazuyuki
GE Yokogawa Medical Systems
-
ISJIGAKI Takeo
Department of Radiology, Nagoya University School of Medicine
-
YUMURA Shinnichiro
Image Intech Corporation
-
Sawaki Masataka
Department Of Breast And Endocrine Surgery Nagoya University Graduate School Of Medicine
-
Shibahara Eriko
Department ofRadiology, Nagoya University School of Medicine
-
Iwayama Eriko
Department ofRadiology, Nagoya University School of Medicine
-
Zhang Waguo
ToshibaAmerica MRI Inc.
-
Shimamoto Kazuhiro
Department Of Radiology Nagoya University Graduate School Of Medicine
-
Nagao Ryouichi
Department Of Radiology Nagoya National Hospital
-
Isjigaki Takeo
Department Of Radiology Nagoya University School Of Medicine
-
Washimi Yukihiko
Department Of Neurology National Center For Geriatrics And Gerontology
-
Yoshimura Kumiko
Department Of Brain Science And Molecular Imaging National Center For Geriatrics And Gerontology
著作論文
- Screening Helical CT for Mass Screening of Lung Cancer: Application of Low-Dose and Single-Breath-Hold Scanning
- Detection of Presumed Hemorrhage in the Ampullar Endolymph of the Semicircular Canal : A Case Report
- Endolymphatic Hydrops of the Labyrinth Visualized on Noncontrast MR Imaging : A Case Report
- Comparisons of I-123 diagnostic and I-131 post-treatment scans for detecting residual thyroid tissue and metastases of differentiated thyroid cancer
- Correlation between Estimated Glomerular Filtration Rate (eGFR) and Apparent Diffusion Coefficient (ADC) Values of the Kidneys
- Diagnostic Value of SPIO-mediated Breath-hold, Black-blood Fluid-attenuated, Inversion Recovery (BH-BB-FLAIR) Imaging in Patients with Hepatocellular Carcinomas
- Usefulness of FDG PET for diagnosis and radiotherapy of the patient with malignant lymphoma involving bone marrow
- The Role of Contrast-Enhanced MR Mammography for Determining Candidates for Breast Conservation Surgery
- Increased Sensitivity to Low Concentration Gadolinium Contrast by Optimized Heavily T_2-weighted 3D-FLAIR to Visualize Endolymphatic Space
- Signal Alteration of the Cochlear Perilymph on 3 Different Sequences after Intratympanic Gd-DTPA Administration at 3 Tesla : Comparison of 3D-FLAIR, 3D-T_1-weighted Imaging, and 3D-CISS
- MR Imaging of the Cochlear Modiolus after Intratympanic Administration of Gd-DTPA
- Estimation of Gadolinium-induced T_1-shortening with Measurement of Simple Signal Intensity Ratio between the Cochlea and Brain Parenchyma on 3D-FLAIR : Correlation with T_1 Measurement by TI Scout Sequence
- Direct comparison study between FDG-PET and IMP-SPECT for diagnosing Alzheimer's disease using 3D-SSP analysis in the same patients
- MR Imaging of the Primary Breast Lymphoma: A Case Report
- Visualization of Neuromelanin in the Substantia Nigra and Locus Ceruleus at 1.5T Using a 3D-gradient Echo Sequence with Magnetization Transfer Contrast
- Contrast-enhanced MR Imaging of Metastatic Brain Tumor at 3 Tesla : Utility of T_1-weighted SPACE Compared with 2D Spin Echo and 3D Gradient Echo Sequence
- Prompt Contrast Enhancement of Cerebrospinal Fluid Space in the Fundus of the Internal Auditory Canal : Observations in Patients with Meningeal Diseases on 3D-FLAIR Images at 3 Tesla
- High-speed Imaging at 3 Tesla : A Technical and Clinical Review with an Emphasis on Whole-brain 3D Imaging
- Aortoiliac Stenooculusive Disease and Aneurysms: Screening with Non-contrast Enhanced Two-dimensional Cardiac Gated Cine Phase Contrast MR Angiography with Multiple Velocity Encoded Values and Cardiac Gated Two-dimensional Time-of-flight MR Angiography
- Stent-graft Placement for Pseudoaneurysm of the Aorta
- Diffusion-weighted Imaging of the Liver : Technical Challenges and Prospects for the Future
- Real-time Interactive MR Imaging System:Sequence Optimization, and Basic and Clinical Evaluations
- Clinical Evaluation of Three-dimensional MR-Cholangiopancreatography using Three-dimensional Fourier Transform Fast Asymmetric Spin Echo Method(3DFT=FASE): Usefulness of Observation by Multi-planar Reconstruction
- Contrast-enhanced MR Angiography of the Carotid Artery using 3D Time-resolved Imaging of Contrast Kinetics: Comparison with Real-time Fluoroscopic Triggered 3D-elliptical Centric View Ordering
- Neuroendocrine tumor in the breast
- Imaging Endolymphatic Hydrops at 3 Tesla Using 3D-FLAIR with Intratympanic Gd-DTPA Administration
- Arachnoid Granulations on High-resolution MR Images and Diffusion-weighted MR Images:Normal Appearance and Frequency
- Cerebral Black Blood MR Angiography with the Interleaved Multi-Slab Three-Dimensional Fast Spin Echo Sequence
- Development and evaluation of a novel lossless image compression method (AIC : artificial intelligence compression method) using neural networks as artificial intelligence
- Visualization of Endolymphatic Hydrops in Meniere's Disease with Single-dose Intravenous Gadolinium-based Contrast Media using Heavily T_2-weighted 3D-FLAIR
- Simultaneous Three-dimensional Visualization of the Intra-parotid Facial Nerve and Parotid Duct using a Three-dimensional Reversed FISP Sequence with Diffusion Weighting
- Water fat separation using the single acquisition "sandwich" type 3-point Dixon method to optimize knee joint scans
- High-resolution MR Images of Inner Ear Internal Anatomy using a Local Gradient Coil at 1.5 Tesla:Correlation with Histological Specimen
- Contrast Enhancement of the Anterior Eye Segment and Subarachnoid Space : Detection in the Normal State by Heavily T_2-weighted 3D FLAIR
- Visualization of Endolymphatic Hydrops after Intratympanic Injection of Gd-DTPA : Comparison of 2D and 3D Real Inversion Recovery Imaging
- Visualization of Endolymphatic Hydrops in Meniere's Disease after Single-dose Intravenous Gadolinium-based Contrast Medium : Timing of Optimal Enhancement
- Anatomical Details of the Brainstem and Cranial Nerves Visualized by High Resolution Readout-segmented Multi-shot Echo-planar Diffusion-weighted Images using Unidirectional MPG at 3T
- FDG-PET performed concurrently with initial I-131 ablation for differentiated thyroid cancer
- Imaging of Endolymphatic and Perilymphatic Fluid after Intravenous Administration of Single-dose Gadodiamide
- Imaging of Meniere's Disease after Intravenous Administration of Single-dose Gadodiamide : Utility of Subtraction Images with Different Inversion Time
- Three-dimensional Visualization of Endolymphatic Hydrops after Intravenous Administration of Single-dose Gadodiamide
- Imaging of Ménière's Disease after Intravenous Administration of Single-dose Gadodiamide: Utility of Multiplication of MR Cisternography and HYDROPS Image
- Estimation of Perilymph Enhancement after Intratympanic Administration of Gd-DTPA by Fast T1-mapping with a Dual Flip Angle 3D Spoiled Gradient Echo Sequence
- Visualization of Endolymphatic Hydrops in Ménière's Disease after Intravenous Administration of Single-dose Gadodiamide at 1.5T
- Establishing Normal Diameter Range of the Cochlear and Facial Nerves with 3D-CISS at 3T
- Semi-quantification of Endolymphatic Size on MR Imaging after Intravenous Injection of Single-dose Gadodiamide: Comparison between Two Types of Processing Strategies
- Imaging of Meniere's Disease by Subtraction of MR Cisternography from Positive Perilymph Image
- ^F-FDG-PET/CT predicts survival in hypopharyngeal squamous cell carcinoma