Skip to main content
Ibrahim Qaddoumi, MD, MS
Ibrahim Qaddoumi, MD, MS

Ibrahim Qaddoumi, MD, MS

Associate Member, St. Jude Faculty

  • Director, Global Neuro-Oncology Program
  • Director, Jordan Program




MD – Damascus University Medical School, Syria (1992)
MS – The Medical University of South Carolina, Charleston (2003)

Research Interests

  • Brain tumors: low grade gliomas
  • Global Medicine
  • Delayed diagnosis in pediatric CNS tumors
  • Retinoblastoma
  • Pediatric oncology in countries with limited resources
  • Applications of telemedicine in oncology 

Selected Publications

Carey SS, Sadighi Z, Wu S, Chiang J, Robinson GW, Ghazwani Y, Liu APY, Acharya S, Merchant TE,  Boop FA, Gajjar A, Qaddoumi I.  Evaluating pediatric spinal low-grade gliomas: a 30-year retrospective analysis. J Neurooncol.2019 Oct 22. PMID: 31642023 [Epub ahead of print]

Liu APY., Hastings C, Wu S, Bass J, Heitzer A, Ashford J, Vestal R, Hoehn M, Ghazwani Y, Acharya S, Conklin H, Boop,  F, Merchant T, Gaijar, A, Qaddoumi I. Treatment burden and long-term health deficits patients with low-grade glioma or glioneuronal tumors diagnosed during the first year of life. Cancer. 2019 Apr 1;125(7):1163-1175. PMID: 30620400

Elhassan M, Mohamedani A, Osman, H, Osma N Elhaj Y, Qaddoumi I. Patterns, treatments, and outcomes of pediatric central nervous system tumors in Sudan: a single institution experience. Childs Nerv Syst. 2019 Mar; 35(3):437-444 PMID: 30610484  

Liu APY, Harreld JH, Jacola LM, Gero M, Acharya S, Ghazwani Y, Wu S, Li X, Klimo P Jr, Gajjar A, Chiang J, Qaddoumi I. Tectal glioma as a distinct diagnostic entity: a comprehensive clinical, imaging, histologic and molecular analysis. Acta Neuropathol Commun. 2018 Sep 25, 6(1): PMID: 30253793

Hamideh D, Hoehn ME, Harreld JH, Klimo PD, Gajjar A, Qaddoumi I. Isolated optic nerve glioma in children with and without neurofibromatosis: retrospective characterization and analysis of outcomes. J Child Neurol. 2018 May;33(6):375–382. PMID: 29502465

Qaddoumi I, Orisme W, Wen J, Santiago T, Gupta K, Dalton JD, Tang B, Haupfear K, Punchihewa C, Easton J, Mulder H, Boggs K, Shao Y, Rusch M, Becksfort J, Gupta P, Wang S, Lee RP, Brat D, Peter Collins V, Dahiya S, George D, Konomos W, Kurian KM, McFadden K, Serafini LN, Nickols H, Perry A, Shurtleff S, Gajjar A, Boop FA, Klimo PD Jr, Mardis ER, Wilson RK, Baker SJ, Zhang J, Wu G, Downing JR, Tatevossian RG, Ellison DW. Genetic alterations in uncommon low-grade neuroepithelial tumors: BRAF, FGFR1, and MYB mutations occur at high frequency and align with morphology. Acta Neuropathol 131(6):833–845, 2016. PMID: 26810070

Chamdine, O. Broniscer A. Wu, S. Gajjar A. Qaddoumi I. Metastatic low-grade gliomas in children: 20 years’ experience at St. Jude Children’s Research Hospital. Pediatr Blood Cancer 63(1):62–70, 2016. PMCID: PMC26312767

Arnautovic A, Billups C, Broniscer A, Gajjar A, Boop F, Qaddoumi I. Delayed diagnosis of childhood low-grade glioma: causes, consequences, and potential solutions. Childs Nerv Syst 31(7):1067–1077, 2015. PMCID: 25742877 PMID: 25742877

Sullivan EM, Wilson MW, Billups CA, Wu J, Merchant TE, Brennan RC, Haik BG, Shulkin B, Free TM, Given V, Rodriguez-Galindo C, Qaddoumi I. Pathologic risk-based adjuvant chemotherapy for unilateral retinoblastoma following enucleation. J Pediatr Hematol Oncol 36(6): e335–340, 2014. PMID: 24577551

Santiago TC, Jenkins JJ, Pedrosa F, Billups C, Quintana Y, Ribeiro RC, Qaddoumi I. Improving the histopathologic diagnosis of pediatric malignancies in a low-resource setting by combining focused training and telepathology strategies. Pediatr Blood Cancer 59(2):221-5, 2012.

Qaddoumi I, Sane M, Li S, Kocak M, Pai-Panandiker A, Harreld J, Klimo P, Wright K, Broniscer A, Gajjar A. Diagnostic utility and correlation of tumor markers in the serum and cerebrospinal fluid of children with intracranial germ cell tumors. Childs Nerv Syst May 1, 2012.

Qaddoumi I, Billups CA, Tagen M, Stewart CF, Wu J, Helton K, McCarville MB, Merchant TE, Brennan R, Free TM, Given V, Haik BG, Rodriguez-Galindo C, Wilson MW. Topotecan and vincristine combination is effective against advanced bilateral intraocular retinoblastoma and has manageable toxicity. Cancer April 19, 2012.

Qaddoumi I, Bass JK, Wu J, Billups CA, Wozniak AW, Merchant TE, Haik BG, Wilson MW, Rodriguez-Galindo C. Carboplatin-Associated Ototoxicity in Children with Retinoblastoma. J Clin Oncol February 27, 2012.

Qaddoumi I, Unal E, Diez B, Kebudi R, Quintana Y, Bouffet E, Chantada G. Web-based survey of resources for treatment and long-term follow-up for children with brain tumors in developing countries. Childs Nervous System May 17, 2011. [Epub ahead of print]

Shildkrot Y, Kirzhner M, Haik BG, Qaddoumi I, Rodriguez-Galindo C, Wilson MW. The Effect of Cancer Therapies on Pediatric Anophthalmic Sockets. Ophthalmology Aug 17, 2011. Epub ahead of print.

Pui C-H, Gajjar AJ, Kane JR, Qaddoumi IA, Pappo AS. Challenging issues in pediatric oncology. Nat Rev Clin Oncol Jun 28;8(9):540-9, 2011. PMID: 21709698.

Chantada G, Leal C, Brisse H, Graaf P, Sitorus R, Qaddoumi I, Antoneli C, Tacyildiz N, Fineman S, Doz F. Is it pre-enucleation chemotherapy or is it delayed enucleation of severely involved eyes with intraocular retinoblastoma that risks extraocular dissemination & death? J Clin Oncol Aug 20;29(24):3333-4, 2011.

Qaddoumi I, Carey SS, Conklin H, Jenkins J, Sabin N, Boop F, Pai-Panandiker A, Baker J, Wright K, Broniscer A, Gajjar A. Characterization, Treatment, and Outcome of Intracranial Neoplasms in the First 120 Days of Life. J Child Neurol Aug;26(8):988-94, 2011. PMID: 21532007.

Qaddoumi I, Ribeiro RC. Can communication technologies reduce inequalities in cancer care? Lancet Oncol Mar;12(3):224, 2011. PMID: 21495244.

Wilson MW, Qaddoumi I, Billups C. Haik BG, Rodriguez-Galindo C. A clinicopathological correlation of 67 eyes primarily enucleated for advanced intraocular retinoblastoma. Br J Ophthalmol Apr;95(4):553-8, 2011. PMID: 20693555.

Chantada GL, Qaddoumi I, Canturk S, Khetan V, Ma Z, Kimani K, Yeniad B, Sultan I, Sitorus RS, Tacyildiz N, Abramson DH. Strategies to manage retinoblastoma in developing countries. Pediatr Blood Cancer Mar;56(3):341-8, 2011. PMID: 21225909.

Ali AA, Elsheikh SM, Elhaj A, Osman N, Abuidris D, Eltayeb EA, Mahgoub M, Hamdoun A, Babiker MM, Mohamedani AA, Elwali NE, Qaddoumi I. Clinical Presentation and Outcome of Retinoblastoma among Children Treated at the National Cancer Institute (NCI) in Gezira, Sudan: A single institution experience. Ophthalmic Genet Mar 2, 2011. Epub ahead of print. PMID: 21366428.

Canturk S, Qaddoumi I, Khetan V, Ma Z, Furmanchuk A, Antoneli C, Sultan I, Kebudi R, Sharma T, Rodriguez-Galindo C, Abramson D, Chantada G. Survival of retinoblastoma in less-developed countries impact of socioeconomic and health-related indicators. Br J Ophthalmol Nov;94(11):1432-6, 2010. PMID: 20733021 **This paper was well perceived by the editorial office of the British Journal of Ophthalmology and was selected for an editorial by Brenda Galie for that issue.

Bhagat SP, Bass JK, White ST, Qaddoumi I, Wilson MW, Wu J, Rodriguez-Galindo C. Monitoring carboplatin ototoxicity with distortion-product otoacoustic emissions in children with retinoblastoma. Int J Pediatr Otorhinolaryngol Oct;74(10):1156-63, 2010. PMID: 20667604

Wright K, Qaddoumi I, Patay Z, Gajjar A, Wilson M, Rodriguez-Galindo C. Successful treatment of early detected trilateral retinoblastoma using standard infant brain tumor therapy. Pediatr Blood Cancer Sep;55(3):570-2, 2010. PMCID: PMC3115715.

Sultan I, Wilson MW, Nawaiseh I, Mehyar M, Kharma S, Al-Qudimat M, Hazin R, Alalami A, Jaradat I, Al-Husseini M, Abdeen G, Rodriguez-Galindo C, Qaddoumi I. Enucleation for retinoblastoma: the experience of a single center in Jordan. Int Ophthalmol Aug;30(4):407-14, 2010. PMID: 20424888.

Qaddoumi I, Ellison D W, Brannon Morris E B, Broniscer A, Boop F, Merchant T, Palmer S L, Gajjar, A. Dysembryoplastic Neuroepithelial Tumors and Cognitive Outcome: cure at a price? Cancer Dec 1;116(23):5461-9, 2010. PMID: 20672357.

Hazin R, Qaddoumi I. Teleoncology: current and future applications for improving cancer care globally. Lancet Oncol Feb;11(2):204-10, 2010. NIHMSID: NIHMS27975. *This paper was well perceived by the editorial office of Lancet Oncology and was chosen for cover of that issue for Lancet Oncology.

Sultan I, Qaddoumi I, Rodríguez-Galindo C, Al Nassan A, Ghandour K, Al-Husseini M. Age, Stage, and Radiotherapy, but Not Primary Tumor Site, Affects the Outcome of Patients with Malignant Rhabdoid Tumors. Pediatr Blood Cancer Jan;54(1):35-40, 2009.

Qaddoumi I, Sultan I, Gajjar A. Outcome and Prognostic Features in Pediatric Gliomas: A Review of 6212 Cases from the Surveillance, Epidemiology and End Results (SEER) Database. Cancer Dec 15;115(24):5761-70, 2009. PMCID: PMC2794938.

Show More

Sultan I, Qaddoumi I, Yaser S, Rodriguez-Galindo C, Ferrari A. Comparing Adult and Pediatric Rhabdomyosarcoma in the Surveillance, Epidemiology and End Results Program, 1973 to 2005: An Analysis of 2,600 Patients. J Clin Oncol Apr 27, 2009. PMID: 19398574.

Qaddoumi I, Ezam N, Swaidan M, Jaradat I, Mansour A, Abuirmeileh N, Bouffet E, Al-Hussaini M. Diffuse pontine glioma in Jordan and impact of up-front prognosis disclosure with parents and families. J Child Neurol Apr;24(4):460-5, 2009. PMID: 19074045.

Al-Hussaini M, Sultan I, Abuirmileh N, Jaradat I, Qaddoumi I. Pineal gland tumors: experience from the SEER database. J Neurooncol Apr 17, 2009. PMCID: PMC 2804886.

Qaddoumi I, Sultan I, Broniscer A. Pediatric low-grade gliomas and the need for new options for therapy: Why and how? Cancer Biol Ther Jan;8(1):1-7, 2009. PMCID: PMC2810626.

Al-Qudimat MR, Day S, Almomani T, Odeh D, Qaddoumi I. Clinical nurse coordinators: a new generation of highly specialized oncology nursing in Jordan. J Pediatr Hematol Oncol Jan;31(1):38-41, 2009.

Qaddoumi I, Bouffet E. Supplementation of a successful pediatric neuro-oncology telemedicine-based twinning program by e-mails. Telemed J E Health Dec;15(10):975-82, 2009. NIHMS124023.

Abdullah S, Qaddoumi I, Bouffet E. Advances in the management of pediatric central nervous system tumors. Review. Ann N Y Acad Sci Sep;1138:22-31, 2008.

Qaddoumi I, Nawaiseh I, Mehyar M, Razzouk B, Haik BG, Kharma S, Jaradat I, Rodriguez-Galindo C, Wilson MW. Team management, twinning, and telemedicine in retinoblastoma: A 3-tier approach implemented in the first eye salvage program in Jordan. Pediatr Blood Cancer Aug;51(2):241-4, 2008. *This paper received commentary by Meadows AT.

Qaddoumi I, Musharbash A, Elayyan M, Mansour A, Al-Hussaini M, Drake J, Swaidan M, Bartels U, Bouffet E: Closing the survival gap: implementation of medulloblastoma protocols in a low-income country through a twinning program. Int J Cancer Mar 15;122(6):1203-6, 2008.

Qaddoumi I, Mansour A, Musharbash A, Drake J, Swaidan M, Tihan T, Bouffet E. Impact of Telemedicine on Pediatric Neurooncology in a Developing Country: The Jordanian Canadian Experience. Pediatric Blood and Cancer January, 48; 39-43, 2007.

Qaddoumi I, Ceppa EP, Mansour A, Sughayer MA, Tihan T. Desmoplastic Non-Infantile Ganglioglioma: A Case Report. Pediatric and Developmental Pathology Nov-Dec 9(6): 462-7, 2006.

Lafay-Cousin L, Holm S, Qaddoumi I, Nicolin G, Barets U, Tobari U, Huang A, Bouffet E. Weekly Vinblastine in pediatric low-grade glioma patients with carboplatin allergic reaction. Cancer June 15;103(12):2636-42, 2005.

Last update: November 2019