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Liliana Vasquez Ponce, MD

Liliana Vasquez Ponce, MD

  • Childhood cancer consultant, Pan American Health Organization


Dr. Vasquez graduated from medical school in 2006 from Universidad Nacional Mayor de San Marcos in Lima, Peru and from pediatric oncology training in 2012 from Universidad San Martin de Porres in Lima, Peru. She graduated in 2021 with a Master of Global Child Health from St Jude Graduate School of Biomedical Sciences. She graduated in 2018 with a Master of Medical Research from Universidad San Martin de Porres and Clinical Research (PPCR) from Harvard Medical School.

She worked as a pediatric oncologist in the Rebagliati Hospital – Essalud in Lima, Peru and as an external collaborator of the Department of Cancer Prevention and Control of the Ministry of Health of Peru - MINSA.

She currently works as a childhood cancer consultant in the Pan American Health Organization (PAHO), in the coordination of the WHO Global Initiative for Childhood Cancer. 

Additionally, she works as a principal investigator in the Precision Medicine Center of the Faculty of Medicine at the Universidad de San Martin de Porres.

She is currently the Vice President of the Latin American Society of Pediatric Oncology (SLAOP) and is board member of the SIOP Young Investigators of the International Society of Pediatric Oncology (SIOP).

She has been awarded the Carolina Foundation Award in 2011, SIOP Young Investigator Award in 2015, SLAOP Free Paper Award in 2014, 2015 and 2019, the ASCO-Conquer Cancer Global Oncology Award in 2017, and the My Child Matters Award in 2019.


MD - National University of San Marcos, Lima, Peru

MSc - St Jude Graduate School of Biomedical Sciences

MSc - Universidad San Martin de Porres

Selected Publications

Rios L, Vasquez L, Maza I, Oscanoa M, Paredes G, et al. (2021) Time to First Dose of Antibiotics in Children with Cancer and Febrile Neutropenia. A Report from a Peruvian Hospital. Ann med clin Oncol 4: 133. DOI:

Montoya J, Ugaz C, Alarcon S, Maradiegue E, García J, Díaz R, Zapata A, Chávez S, Morales R, Ordoñez K, Hernandez E, Reaño R, Gutierrez C, Vargas MP, Sanchez K, Valdiviezo C, Maza I, Rojas N, Moore C, León E, Vasquez L,. COVID-19 in pediatric cancer patients in a resource-limited setting: National data from Peru. Pediatr Blood Cancer. Feb 2021;68(2):e28610. doi: 10.1002/pbc.28610. Epub Jul 22, 2020. PMID: 32779840; PMCID: PMC7404445.

Vasquez L, Montoya J, Ugaz C, Ríos L, León E, Maza I, Maradiegue E, Chávez S, Tarrillo F, Diaz R, Pascual C, Rojas N, Tello M, Moore C, Shah D, Cotrina B, Bartolo J, Perez J, Palacios V. ONCOPEDS: A mobile application to improve early diagnosis and timely referral in childhood cancer in a low- and middle-income country-A pilot study. Pediatr Blood Cancer. Apr 2021;68(4):e28908. doi: 10.1002/pbc.28908. Epub Jan 26, 2021. PMID: 33501779.

Ugaz C, Ortiz I, Soto G, Morales R, Vasquez L. Pediatric Palliative Screening Scale in pediatric cancer patients: A qualitative study approach. Pediatr Blood Cancer. Jul 2021; 22:e29249. doi: 10.1002/pbc.29249. Epub ahead of print. PMID: 34291865.

Sobol NT, Solernó LM, Beltrán B, Vasquez L, Ripoll GV, Garona J, Alonso DF. Anticancer activity of repurposed hemostatic agent desmopressin on AVPR2-expressing human osteosarcoma. Exp Ther Med. Jun 2021;21(6):566. doi: 10.3892/etm.2021.9998. Epub Mar 26, 2021. PMID: 33850538; PMCID: PMC8027742.

Vasquez L, Maradiegue E, Rojas N, Montoya J, Zapata A, Ugaz C, Pascual C, Santillán C, Wachtel A, Celis E, Bernedo H, Rossi J, Saldaña L, Diaz R, Morales R, Perez V, Metzger ML, Luciani S. Catalyzing Childhood Cancer Care in Peru After One Year of the Global Initiative for Childhood Cancer. JCO Glob Oncol. Feb 2021;7:187-189. doi: 10.1200/GO.20.00601. PMID: 33539174; PMCID: PMC8081553.

Global Retinoblastoma Study Group, Fabian ID, Vasquez L, Global Retinoblastoma Presentation and Analysis by National Income Level. JAMA Oncol. May 1, 2020; 6 (5): 685-695. doi: 10.1001 / jamaoncol.2019.6716. PMID: 32105305; PMCID: PMC7047856.

Vasquez L, Castro D, León J, Beltrán B. Immunotherapy in cancer: from the beginnings to the Nobel Prize [Cancer immunotherapy: from inception to Nobel Prize]. Rev Peru Med Exp Public Health. 2020; 37 (1): 115-121. doi: 10.17843 / rpmesp.2020.371.4329

Montoya J, Ugaz C, Alarcon S, Maraddamientos E, García J, Díaz R, Zapata A, Chávez S, Morales R, Ordoñez K, Hernandez E, Reaño R, Gutierrez C, Vargas MP, Sanchez K, Valdiviezo C, Maza I , Rojas N, Moore C, León E, Vasquez L, COVID-19 in pediatric cancer patients in a resource-limited setting: National data from Peru. Pediatr Blood Cancer. Feb 2021; 68 (2): e28610. doi: 10.1002 / pbc.28610. Epub Jul 22, 2020. PMID: 32779840; PMCID: PMC7404445.

Vasquez L, Sampor C, Villanueva G, et al. Early impact of the COVID-19 pandemic on pediatric cancer care in Latin America. Lancet Oncol. 2020; 21 (6): 753-755. doi: 10.1016 / S1470-2045 (20) 30280-1

Vasquez L, Silva J, Chavez S, Zapata A, Diaz R, Tarrillo F, Maza I, Sialer L, García J. Prognostic impact of diagnostic and treatment delays in children with osteosarcoma. Pediatr Blood Cancer. Apr 2020; 67 (4): e28180. doi: 10.1002 / pbc.28180. Epub Jan 11, 2020. PMID: 31925940.

Salama M, Ataman-Millhouse L, Braham M, Vasquez L, et al. Installing oncofertility programs for common cancers in limited resource settings (Repro-Can-OPEN Study): An extrapolation during the global crisis of Coronavirus (COVID-19) pandemic. J Assist Reprod Genet. 2020; 37 (7): 1567-1577. doi: 10.1007 / s10815-020-01821-7

Vasquez L,, Diaz R, Chávez S, et al. Factors associated with abandonment of therapy by children diagnosed with solid tumors in Peru. Pediatr Blood Cancer. Jun 2018; 65 (6): e27007. doi: 10.1002 / pbc.27007. Epub Feb 12, 2018.

Ríos L, Vasquez L, Maza I, et al. Advancing Parental Age and Risk of Solid Tumors in Children: A Case-Control Study in Peru, Journal of Oncology, vol. 2018, Article ID 3924635, 9 pages, 2018.

Vasquez L, León E, Beltrán B, Maza I, Oscanoa M, Gerónimo J. Pretreatment Neutrophil-to-Lymphocyte Ratio and Lymphocyte Recovery: Independent Prognostic Factors for Survival in Pediatric Sarcomas. J Pediatr Hematol Oncol. Oct 2017; 39 (7): 538-546. doi: 10.1097 / MPH.0000000000000911. PubMed PMID: 28697168.

Ríos, L., Vasquez L., Silva, J., Sialer, L., Maza, I., Oscanoa, M., Paredes, G., & Gerónimo, J. Prognostic factors and survival in patients younger than 18 years with tumors of the Ewing sarcoma family: 10-year experience. Medical Horizon, 17 (4), 6-14. doi: http: //, 2017.

Vasquez L, Oscanoa M, Tello M, Tapia E, Maza I, Gerónimo J. Factors associated with the latency to diagnosis of childhood cancer in Peru. Pediatr Blood Cancer. Nov 2016; 63 (11): 1959-65. doi: 10.1002 / pbc.26134. Epub Jul 9, 2016. PubMed PMID: 27394036.

Vasquez L, Tarrillo F, Oscanoa M, Maza I, Gerónimo J, Paredes G, Silva JM, Sialer L. Analysis of Prognostic Factors in High-Grade Osteosarcoma of the Extremities in Children: A 15-Year Single-Institution Experience. Front Oncol. Feb 2, 2016; 6:22. doi: 10.3389 / fonc.2016.00022. eCollection 2016. PubMed PMID: 26904501; PubMed Central PMCID: PMC4745606.

Maza I, Vasquez L, Rivera Y et al. Langerhans cell histiocytosis: an entity rare common symptoms? Rev. Fac. Med. Hum. 2016; 16 (2): 76-80. DOI 10.25176 / RFMH.v16.n2.673

Vasquez L, Tello M, Maza I, Oscanoa M, Dueñas M, Castro H, Latorre A.Endometrioid Paraovarian Borderline Cystic Tumor in an Infant with Proteus Syndrome. Case Rep Oncol Med. 2015: 392576. doi: 10.1155 / 2015/392576. Epub Oct 19, 2015. PubMed PMID: 26558123; PubMed Central PMCID: PMC4629012.

Beltrán BE, Maza I, Moisés-Alfaro CB, Vasquez L, Quiñones P, Morales D, Sánchez G, Paredes G, Oscanoa M, Gerónimo J, Miranda RN, Castillo JJ.Thalidomide for the treatment of hydroa vacciniforme-like lymphoma: report of four pediatric cases from Peru.Am J Hematol. Dec2014; 89 (12): 1160-1. doi: 10.1002 / ajh.23843. Epub Sep 26, 2014. PubMed PMID: 25196949.

Maza I, Vasquez L. Lymphadenopathy in children When to suspect cancer? Rev. Fac. Med. Hum. 2014.

Vasquez L, Oscanoa M, Maza I, Gerónimo J, Tarrillo F, Latorre A, Frisancho O, Llatas J.[Colorectal cancer in children: report of three cases].

Last update: January 2023