University at Buffalo (UB)
Ahmad Z. Mohamed M.D, Ph.D
Ahmad Z. Mohamed
M.D, Ph.D
Clinical Associate Professor
Jacobs School of Medicine & Biomedical Sciences
Specialty/Research Focus
Pediatric Urology
Professional Summary:
Dr. Ahmad Zakaria Mohamed graduated from Kasr El-Ainy Faculty of Medicine, Cairo University, Egypt in 2000. He completed his internship and Urology residency there. He then joined the faculty in Cairo University and specialized in Pediatric Urology. He came to the USA in 2009, to Pittsburgh PA first, where he did clinical research and worked on his PhD thesis. He finished a Pediatric Urology fellowship at Nationwide Children's Hospital in Columbus OH in 2013.
He has some basic science experience in the fields of urinary tract infection in children, and obstructive uropathy in animal models. He has several publications in a variety of fields in pediatric urology. His practice covers all pediatric urologic conditions, and he has special interest in reconstructive surgery, disorders of sexual differentiation and bladder dysfunction.
He worked as a pediatric Urologist and Assistant Professor at the University of Louisville in Kentucky from 2014 to 2021, before moving to Buffalo and joining John R. Oichei Children's Hospital and the University of Buffalo as clinical faculty.
Education and Training:
- PhD, Urology, Cairo University (2014)
- Fellowship, Pediatric Urology Fellowship, Nationwide Children's Hospital - OSU (2013)
- MS, Urology, Cairo University (2006)
- MD, Cairo University (2000)
Employment:
- Member of Clinical Competency Committee, Urology residency program, University of Louisville
- Member of Students Promotion Committee, University of Louisville School of Medicine
- Reviewer, Journal of Pediatric Surgery
- Reviewer, Journal of Urology
- Site director for Pediatric Urology, Urology residency program, University of Louisville
- Assistant Professor, Urology, University of Louisville (2014–2021)
- Pediatric Urologist, Norton Children's Hospital, NCMG (2014–2021)
- Research Assistant, CCTS, Nationwide Children's Research Institute (2013–2014)
- Assistant Lecturer, Urology, Cairo University (2007–2009)
- Pediatric Urologist, Tabarak Pediatric Hospital, Cairo (2007–2009)
- Clinical Demonstrator, Urology, Cairo University (2006–2007)
Research Expertise:
- Pediatric Urology
- Recovery of bladder function after Spinal cord injuries.
- Urological trauma in children.
Journal Articles:
- Mohamed KA, Mohamed AH, Mohamed AH. (2023) Traumatic renal artery occlusion secondary to blunt trauma in a second-trimester pregnant woman who managed successfully with non-operative management: A rare case report. Urology case reports (Sep), 50: 102521. doi:10.1016/j.eucr.2023.102521
- Hussein AI, Bashir AM, Kassim MM, Mohamed SS, Hussein SA, Mohamed AH. (2023) A 12-year-old Somalian girl presented with chronic kidney disease and died as a result of female genital mutilation- A case report. Urology case reports (Sep), 50: 102510. doi:10.1016/j.eucr.2023.102510
- Elshami M, Bailey L, Hoehn RS, Ammori JB, Hardacre JM, Selfridge JE, Bajor D, Mohamed A, Chakrabarti S, Mahipal A, Winter JM, Ocuin LM. (2023) Differences in the surgical management of early-stage hepatocellular carcinoma at minority versus non-minority-serving hospitals. Surgery (Aug).
- Farah M, Al-Dhahir W, Song M, Mahmalji W, Mohamed A. (2023) Primary Carcinoma In Situ of the Ureter Without Concurrent Renal Pelvis or Bladder Carcinoma: A Case Report and Literature Review. Cureus (Aug), 15(8): e43453. doi:10.7759/cureus.43453
- Cimen S, Eraslan A, Mohamed AH, Mohamed AI, Gur M, Kokurcan A, Uysal FS, Kaymak S, Dogan AE, Baylan B. (2023) Clinical characteristics and short-term outcomes of adult patients with urolithiasis: first report from Somalia. European review for medical and pharmacological sciences (Aug), 27(15): 7127-7133.
- Mohsen N, Solis-Garcia G, Jasani B, Nasef N, Mohamed A. (2023) Accuracy of lung ultrasound in predicting extubation failure in neonates: A systematic review and meta-analysis. Pediatric pulmonology (Jul).
- Merhaben S, Mohamed AB, Khsiba A, Mahmoudi M, Nechi S, Chelbi E, Kilani H, Yakoubi M, Hamzaoui ML, Medhioub M, Azouz MM. (2023) Synchronous primary gastric and renal tumors: a case report. Future science OA (Jul), 9(6): FSO865. doi:10.2144/fsoa-2023-0009
- Afzal M, Mohamed A, Volkin Y. (2023) It's a Bird, It. Cureus (Jul), 15(7): e42746. doi:10.7759/cureus.42746
- Smith DE, Hamby T, Heym K, Mohamed A, Vallance KL, Ray A. (2023) Intracranial Relapse in Pediatric Sarcoma. Journal of pediatric hematology/oncology (Jul).
- Perelli L, Carbone F, Zhang L, Huang JK, Le C, Khan H, Citron F, Del Poggetto E, Gutschner T, Tomihara H, Soeung M, Minelli R, Srinivasan S, Peoples M, Lam TNA, Lundgren S, Xia R, Zhu C, Mohamed AMT, Zhang J, Sircar K, Sgambato A, Gao J, Jonasch E, Draetta GF, Futreal A, Bakouny Z, Van Allen EM, Choueiri T, Signoretti S, Msaouel P, Litchfield K, Turajlic S, Wang L, Chen YB, Di Natale RG, Hakimi AA, Giuliani V, Heffernan TP, Viale A, Bristow CA, Tannir NM, Carugo A, Genovese G. (2023) Interferon signaling promotes tolerance to chromosomal instability during metastatic evolution in renal cancer. Nature cancer (Jul), 4(7): 984-1000. doi:10.1038/s43018-023-00584-1
- Akyuz M, Kayar R, Mohamed AH. (2023) Extensive penile glans and corpus spongiosum necrosis due to catheter traction following laparoscopic radical cystoprostatectomy: a rare case report and literature review. BMC urology (Jul), 23(1): 115. doi:10.1186/s12894-023-01289-4
- Nicolais L, Mohamed A, Fitzgerald TL. (2023) Minimally invasive distal pancreatectomy for adenocarcinoma of the pancreas. Surgical oncology (Jul), 50: 101970.
- Osmonov D, Ragheb AM, Petry T, Eraky A, Bettocchi C, Lamers KG, Van Renterghem K, Tropmann-Frick M, Chung E, Jünemann KP, Garaffa G, Porst H, Mohamed AG, Wilson SK. (2023) Value of prolonged scrotal drainage after penile prosthesis implantation: a multicenter prospective nonrandomized pilot study. International journal of impotence research (May).
- Herrity AN, Aslan SC, Mesbah S, Siu R, Kalvakuri K, Ugiliweneza B, Mohamed A, Hubscher CH, Harkema SJ. (2022) Targeting bladder function with network-specific epidural stimulation after chronic spinal cord injury. Sci Rep. (Jul)
- Shields LBE, Daniels MW, Peppas DS, White JT, Mohamed AZ, Canalichio K, Rosenberg S, Rosenberg E. (2021) Surge in testicular torsion in pediatric patients during the COVID-19 pandemic. Journal of pediatric surgery (Jul).
- Bezinque A, Mohamed A, White J, Canalichio K, Peppas D, Rosenberg E. (2021) Conservative Management for Urethral Foreign Body: A Case Report of an Adolescent Boy With Repeated Events. Frontiers in pediatrics (Jan), 9: 691778. doi:10.3389/fped.2021.691778
- Herrity AN, Aslan SC, Ugiliweneza B, Mohamed AZ, Hubscher CH, Harkema SJ. (2020) Improvements in Bladder Function Following Activity-Based Recovery Training With Epidural Stimulation After Chronic Spinal Cord Injury. Frontiers in systems neuroscience (Jan), 14: 614691. doi:10.3389/fnsys.2020.614691
- Rawls WF, White JT, Mohamed A, Peppas D, Rosenberg E. (2020) Case Report: Penile Strangulation Secondary to Hair Tourniquet. Frontiers in pediatrics (Jan), 8: 477. doi:10.3389/fped.2020.00477
- Shields LBE, White JT, Mohamed AZ, Peppas DS, Rosenberg E. (2020) Delayed Presentation of Urethral Valves: A Diagnosis That Should Be Suspected Despite a Normal Prenatal Ultrasound. Global pediatric health (Jan), 7: 2333794X20958918. doi:10.1177/2333794X20958918
- Wilhide ME, Feller JD, Li B, Mohamed AZ, Becknell B, Jackson AR, McHugh KM, Ingraham SE. (2016) Renal epithelial miR-205 expression correlates with disease severity in a mouse model of congenital obstructive nephropathy. Pediatric research (Oct), 80(4): 602-9. doi:10.1038/pr.2016.121
- Lucas EJ, Baxter C, Singh C, Mohamed AZ, Li B, Zhang J, Jayanthi VR, Koff SA, VanderBrink B, Justice SS. (2016) Comparison of the microbiological milieu of patients randomized to either hydrophilic or conventional PVC catheters for clean intermittent catheterization. Journal of pediatric urology (Jun), 12(3): 172.e1-8.
- Horvath DJ, Patel AS, Mohamed A, Storm DW, Singh C, Li B, Zhang J, Koff SA, Jayanthi VR, Mason KM, Justice SS. (2016) Association of O-Antigen Serotype with the Magnitude of Initial Systemic Cytokine Responses and Persistence in the Urinary Tract. Journal of bacteriology (Jan), 198(6): 964-72. doi:10.1128/JB.00664-15
- Becknell B, Mohamed AZ, Li B, Wilhide ME, Ingraham SE. (2015) Urine Stasis Predisposes to Urinary Tract Infection by an Opportunistic Uropathogen in the Megabladder (Mgb) Mouse. PloS one (Jan), 10(9): e0139077. doi:10.1371/journal.pone.0139077
- Crowley HM, Mohamed A, Baker P, Jayanthi VR, Ranalli M, Aldrink JH. (2013) Atypical smooth muscle tumor of the vagina--a pediatric case report and review of the literature. Journal of pediatric surgery (May), 48(5): 1118-22.
- Ziada A, Hamza A, Abdel-Rassoul M, Habib E, Mohamed A, Daw M. (2011) Outcomes of hypospadias repair in older children: a prospective study. The Journal of urology (Jun), 185(6 Suppl): 2483-5.
- Norris RD, Mohamed AZ, Martin JM, Docimo SG. (2010) Enterococcus faecalis cellulitis/fasciitis after hypospadias surgery. Urology (Jul), 76(1): 107-8.
- Mohamed AZ, Morsi HA, Ziada AM, Habib EM, Aref AM, Kotb EA, Eissa MA, Daw M. (2010) Management of major blunt pediatric renal trauma: single-center experience. Journal of pediatric urology (Jun), 6(3): 301-5.
- Aggour A, Ziada AM, AbdelHamid AZ, AbdelRahman S, Morsi A. (2009) Metabolic stone composition in Egyptian children. Journal of pediatric urology (Apr), 5(2): 132-5.
- Salem HK, Morsi HA, Zakaria A. (2007) Management of high-grade renal injuries in children after blunt abdominal trauma: experience of 40 cases. Journal of pediatric urology (Jun), 3(3): 223-9.
Professional Memberships:
- American Urological Association
- Society of Pediatric Urology
- Society of Fetal Urology
- Egyptian Medical Syndicate; Member, Urology Consultant
- Medical Society of the Erie County; Member
Presentations:
- "Prenatal Urologic Findings" Buffalo Pediatric Society combined Pediatric - OB/GYN meeting (2022)
- "A Little Bit of Urology" National Association of Pediatric Nurse Practitioners Annual Conference in WNY (2022)
Service Activities:
- Oishei Children's Hospital OR Efficiency Committee; Member (2023–present)
- Clinical Competency Committee; Member (2022–present)
- Program Evaluation Committee; Member (2022–present)