Ahmed Abdel Khalek Abdel Razek, research fields are focused on head and neck imaging, neuroradiology and advanced magnetic resonance imaging techniques such as diffusion, perfusion, MR spectroscopy and contrast-enhanced MR angiography.
In addition, he has some work at multidetector computed tomography and color Duplex ultrasound. His works, as lead author, published more than 150 papers at peer-reviewed high impact journals.
Ahmed Abdel Khalek Abdel Razek has written 4 book chapters and he presented more than 250 papers at the national and international congress (RSNA, ECR, ASNR, ASHNR, and ARRS).
He is a reviewer at 125 high impact journals and in the editorial board of 7 international journals and societies. He was a supervisor on 100 Ph.D. and MD thesis. He won scientific awards from RSNA and ECR during his career. He was the moderator for head and neck courses at 3 international conferences.
- Allam H, Abdel Razek A, Ashraf B, Khaled M. Reliability of diffusion-weighted MR imaging in differentiation of recurrent cholesteatoma and granulation tissue after intact canal wall mastoidectomy. J Laryngol Otol 2019.
- Abdel Razek A, Mansy . Imaging of pulmonary atresia with ventricular septal defect. J Comput Assist Tomogr 2019.
- Abdel Razek A, Elserougy L, Saleh G, Abd el-wahab R, Shabanaa W. Inter-observer agreement of MR imaging of Liver Imaging Reporting and Data System Version 2018. J Comput Assist Tomogr 2019.
- Abdel Razek A. Inter-observer agreement of white matter tracts involvement of gliomas with diffusion tensor tractography. J Neurolig.
- Gamal El-Den A, Abdel Razek A. Comparative study between duplex Ultrasound and 160 multidetectors CT angiography in assessment of chronic lower limb ischaemia. Egypt J Radiol Nuclear med 2019.
- Gamaleldin OA, Khalifa MH, Donia MM, Elsebaie NA, Khalek Abdel Razek AA, Rayan T. Role of fused three-dimensional time-of-flight MR angiography and 3D T2WI sequences in neurovascular compression. World Neurosurg. 2019; doi: 10.1016/j.wneu.2019.08.190.
- Razek AAKA, Sherif FM. Diagnostic accuracy of diffusion tensor imaging in differentiating malignant from benign compressed vertebrae. Neuroradiology 2019; doi: 10.1007/s00234-019-02286-x.
- Elmokadem AH, Ibrahim EA, Gouda WA, Razek AA. Whole-Body Computed Tomography Using Low-Dose Biphasic Injection Protocol With Adaptive Statistical Iterative Reconstruction V: Assessment of Dose Reduction and Image Quality in Trauma Patients. J Comput Assist Tomogr 2019; doi: 10.1097/RCT.0000000000000907.
- Abdel Razek AAK, Sherif FM. Differentiation of sublingual thyroglossal duct cyst from midline dermoid cyst with diffusion weighted imaging. Int J Pediatr Otorhinolaryngol 2019; doi: 10.1016/j.ijporl.2019.109623.
- Marzook HAM, Razek AAA, Yousef EA, Attia AAMM. Intra-articular Injection of a Mixture of Hyaluronic acid and Corticosteroid versus Arthrocentesis in TMJ Internal Derangement. J Stomatol Oral Maxillofac Surg 2019; doi: 10.1016/j.jormas.2019.05.003.
- Abdel Razek A. Imaging findings of Klippel-Trenaunay syndrome. J Comput Assist Tomogr 2019.
- Abdel Razek AAK. Odontogenic Tumors: Imaging-Based Review of the Fourth Edition of World Health Organization Classification. J Comput Assist Tomogr 2019.
- Razek AAKA. Multi-parametric MR imaging using pseudo-continuous arterial-spin labeling and diffusion-weighted MR imaging in differentiating subtypes of parotid tumors. Magn Reson Imaging 2019 Nov;63:55-59.
- Razek AA, Khalek AM, Elwakeel H, Ebrahim MA. Inter-observer agreement of color duplex ultrasound of central vein stenosis in hemodialysis patients. Phlebology 2019; Oct;34(9):636-642.
- Abdel Razek AAK, Elkhamary SM, Nada N. Correlation of apparent diffusion coefficient with histopathological parameters of salivary gland cancer. Int J Oral Maxillofac Surg 2019 Aug;48(8):995-1000.
- Abdel Razek AAK, Talaat M, El-Serougy L, Gaballa G, Abdelsalam M. Clinical Applications of Arterial Spin Labeling in Brain Tumors. J Comput Assist Tomogr 2019 Jul/Aug;43(4):525-532.
- Abdel Razek AAK, Talaat M, El-Serougy L, Abdelsalam M, Gaballa G. Differentiating Glioblastomas from Solitary Brain Metastases Using Arterial Spin Labeling Perfusion- and Diffusion Tensor Imaging-Derived Metrics. World Neurosurg 2019 Jul;127:e593-e598.
- Rajendran H, Abdel Razek A, Abubacker S. Multimodal imaging of fibrosing mesenteric tuberculosis. Radiology Case Reports 2019 May 23;14(8):920-925.
- Razek AAKA, Elfar E, Abubacker S. Interobserver agreement of computed tomography reporting standards for chronic pancreatitis. Abdom Radiol 2019; Jul;44(7):2459-2465.
- Abdelrasoul AA, Elsebaie NA, Gamaleldin OA, Khalifa MH, Razek AAKA. Imaging of Brain Infarctions: Beyond the Usual Territories. J Comput Assist Tomogr 2019 May/Jun;43(3):443-451.
- Abdel Razek AAK, Al-Marsafawy H, Elmansy M, El-Latif MA, Sobh D. Computed Tomography Angiography and Magnetic Resonance Angiography of Congenital Anomalies of Pulmonary Veins. J Comput Assist Tomogr 2019 May/Jun;43(3):399-405.
- Abdel Razek AAK, Thabet M, Salam EA. Apparent Diffusion Coefficient of the Placenta and Fetal Organs in Intrauterine Growth Restriction. J Comput Assist Tomogr 2019 May/Jun; 43(3):507-512.
- Abdel Razek AAK, Helmy EM, Maher H, Kasem MA. Diffusion Tensor Imaging of the Lateral Rectus Muscle in Duane Retraction Syndrome. J Comput Assist Tomogr 2019 May/Jun; 43(3):467-471.
- Abdel Razek AA, El-Hadidy EM, Moawad ME, El-Metwaly N, El-Said AA. Assessment of lacrimal glands in thyroid eye disease with Diffusion-weighted MR imaging. Polish J Radiol 2019 Mar; 84: e142-e146.
- Razek AA, Ashmalla GA. Prediction of venous malformations with localized intravascular coagulopathy with diffusion-weighted magnetic resonance imaging. Phlebology 2019 Apr;34(3):156-161.
- Razek AAKA, Samir S. Differentiation malignant from benign pericardial effusion with diffusion-weighted MRI. Clin Radiol 2019 Apr;74(4):325.e19-325.e24.
- Gamaleldin OA, Elsebaie NA, Khalifa MH, Abdel Razek AAK, Mehanna AM, Shehata GM. Assessment of Mass Effect Sign at High-Resolution Computed Tomography in Prediction of Cholesteatoma. J Comput Assist Tomogr 2019 Mar/Apr;43(2):288-293.
- Abdel Razek AAK, Barakat T, Ali K. Assessment of Liver and Spleen in Children With Gaucher Disease Type 1 With Chemical Shift Imaging. J Comput Assist Tomogr 2019 Mar/Apr;43(2):183-186.
- Besheer T, Elalfy H, Abd El-Maksoud M, Abd El-Razek A, Taman S, Zalata K, Elkashef W, Zaghloul H, Elshahawy H, Raafat D, Elemshaty W, Elsayed E, El-Gilany AH, El-Bendary M. Diffusion-weighted magnetic resonance imaging and micro-RNA in the diagnosis of hepatic fibrosis in chronic hepatitis C virus. World J Gastroenterol. 2019 Mar 21;25(11):1366-1377.
- Abdel Razek AAK, El-Serougy L, Abdelsalam M, Gaballa G, Talaat M. Differentiation of Primary Central Nervous System Lymphoma From Glioblastoma: Quantitative Analysis Using Arterial Spin Labeling and Diffusion Tensor Imaging. World Neurosurg 2019 Mar;123:e303-e309.
- Abdel Razek AAK, Zaky M, Bayoumi D, Taman S, Abdelwahab K, Alghandour R. Diffusion tensor imaging parameters in differentiation recurrent breast cancer from post-operative changes in patients with breast-conserving surgery. Eur J Radiol 2019 Feb;111:76-80.
- Razek AAKA. Prediction of malignancy of submandibular gland tumors with apparent diffusion coefficient. Oral Radiol 2019 Jan;35(1):11-15.
- Abdel Razek AAK. Diffusion tensor imaging in differentiation of residual head and neck squamous cell carcinoma from post-radiation changes. Magn Reson Imaging 2018 Dec; 54:84-89.
- Razek AAKA, Batouty N, Fathy W, Bassiouny R. Diffusion tensor imaging of the optic disc in idiopathic intracranial hypertension. Neuroradiology 2018 Nov;60(11):1159-1166.
- Abdel Razek AAK. Arterial spin labelling and diffusion-weighted magnetic resonance imaging in differentiation of recurrent head and neck cancer from post-radiation changes. J Laryngol Otol 2018 Oct;132(10):923-928.
- Abd-El Khalek Abd-ALRazek A, Fahmy DM. Diagnostic Value of Diffusion-Weighted Imaging and Apparent Diffusion Coefficient in Assessment of the Activity of Crohn Disease: 1.5 or 3 T. J Comput Assist Tomogr 2018 Sep/Oct;42(5):688-696.
- Razek AAKA, Abdalla A, Barakat T, El-Taher H, Ali K. Multi-parametric MR imaging using apparent diffusion coefficient and fat fraction in quantification of bone marrow in pediatrics with Gaucher disease. Clin Imaging 2018 Sept;51:318-322.
- Khalek Abdel Razek AA. Characterization of salivary gland tumours with diffusion tensor imaging. Dentomaxillofac Radiol 2018 Jul;47(5):20170343.
- Abdel Razek A, Elrakhawey M, Yossof M, Naguib H. Inter-observer agreement of Coronary Artery Disease Reporting and Data System (CAD-RADS) in patients with stable chest pain. Polish J Radiol 2018, 83: e151-e159
- El-mewafy Z, Abdel Razek A, El-Eshmawy M, Abo El-Eneen N, EL-Biaomy A. MR spectroscopy of the frontal region in patients with metabolic syndrome: Correlation with anthropometric measurement. Polish J Radiol 2018; 83: e215-e219.
- Besheer T, Arafa M, El-Maksoud MA, Elalfy H, Hasson A, Zalata K, Elkashef W, Elshahawy H, Raafat D, Elemshaty W, Elsayed E, Zaghloul H, Razek AA, El-Bendary M. Diagnosis of cirrhosis in patients with chronic hepatitis C genotype 4: Role of ABCB11 genotype polymorphism and plasma bile acid levels. Turk J Gastroenterol. 2018 May;29(3):299-307.
- Razek AAKA. MR imaging of neoplastic and non-neoplastic lesions of the brain and spine in neurofibromatosis type I. Neurol Sci. 2018 May;39(5):821-827.
- Abdel Razek AAK, Nada N. Arterial spin labeling perfusion-weighted MR imaging: correlation of tumor blood flow with pathological degree of tumor differentiation, clinical stage and nodal metastasis of head and neck squamous cell carcinoma. Eur Arch Otorhinolaryngol. 2018 May;275(5):1301-1307.
- Abdel Razek AAK. State-of-the-Art Imaging of Salivary Glands Disorders. Neuroimaging Clin N Am. 2018 May;28(2):xiii. a
- Abdel Razek AAK, Mukherji SK. State-of-the-Art Imaging of Salivary Gland Tumors. Neuroimaging Clin N Am. 2018 May;28(2):303-317.
- Abdel Razek AAK, Mukherji SK. Imaging of Minor Salivary Glands. Neuroimaging Clin N Am. 2018 May;28(2):295-302.
- Abdel Razek AAK. Routine and Advanced Diffusion Imaging Modules of the Salivary Glands. Neuroimaging Clin N Am. 2018 May;28(2):245-254.
- Abdel Razek AAK, Mukherji SK. Imaging of Posttreatment Salivary Gland Tumors. Neuroimaging Clin N Am. 2018 May;28(2):199-208.
- Razek AAKA, Ashmalla GA. Assessment of paraspinal neurogenic tumors with diffusion-weighted MR imaging. Eur Spine J 2018 Apr;27(4):841-846.
- Abdel Razek AAK, Elrakhawy MM, Yossof MM, Nageb HM. Inter-observer agreement of the Coronary Artery Disease Reporting and Data System (CAD-RADS(TM)) in patients with stable chest pain. Pol J Radiol. 2018 Apr 16;83:e151-e159.
- Razek AAKA. Assessment of Masses of the External Ear With Diffusion-Weighted MR Imaging. Otol Neurotol 2018; Feb;39(2):227-231.
- Razek AAKA, El-Serougy L, Abdelsalam M, Gaballa G, Talaat M. Differentiation of residual/ recurrent gliomas from postradiation necrosis with arterial spin labeling and diffusion tensor magnetic resonance imaging-derived metrics. Neuroradiology 2018 Feb;60:169-177.
- Razek AAKA, Abdalla A, Barakat T, El-Taher H, Ali K. Assessment of the liver and spleen in children with Gaucher disease type I with diffusion-weighted MR imaging. Blood Cells Mol Dis. 2018 Feb;68:139-142.
- Ghobrial FEI, Eldin MS, Razek AAKA, Atwan NI, Shamaa SSA. Computed Tomography Assessment of Hepatic Metastases of Breast Cancer with Revised Response Evaluation Criteria in Solid Tumors (RECIST) Criteria (Version 1.1): Inter-Observer Agreement. Pol J Radiol. 2017 Oct 20;82:593-597.
- Certificate of Merit of educational exhibit titled functional MR imaging of head and neck presented at assembly and annual meeting of Radiological Society of North America (RSNA) 2010.
- Certificate of Merit of educational exhibit titled Pediatric liver disease has been selected at European congress of radiology (ECR 2007).
- Selection for who is who’s in the America 2007.
- Selection for who is who’s in the medicine 2008.
- Selection for who is who’s in the world 2009.
