Hematologist in Guatemala
Dr. Fabiola Valvert: Leader in Leukemia and Bone Marrow Transplant in Guatemala
Specialized at Hospital Vall d’Hebron in Barcelona and at the University of Valencia, Spain. With an extensive career in precision medicine and over 15 years caring for patients with blood disorders.

Dr. Cyntia Fabiola Valvert Gamboa
Specialist in Hematology and Bone Marrow Transplant
15 years of experience | +10 international publications
A career built across four countries.
Medical training with a Latin American vision
Dr. Valvert began her path in medicine in Cuba, at one of the most respected medical institutions in Latin America, with rigorous clinical training and a humanistic approach that defines how she treats every patient to this day.
Vall d’Hebron: where Europe sends its most difficult cases
Between 2007 and 2013, Dr. Valvert specialized at Hospital Universitario Vall d’Hebron in Barcelona, one of the leading oncohematology reference centers in Europe. There she trained in clinical hematology, cytogenetics, and bone marrow transplant — the same institution where the cases other centers cannot treat are resolved.
Master’s degree in transplant at the highest academic level
She completed her Master’s Degree in Bone Marrow Transplant at the University of Valencia, deepening her expertise in the most advanced autologous and allogeneic transplant protocols that she applies today with her patients in Guatemala.
Advanced training in internal medicine in Barcelona
She completed advanced studies in Internal Medicine at the University of Barcelona and Hospital Universitario Vall d’Hebron, expanding her clinical training in one of Europe’s most demanding academic environments.
High-impact research from Guatemala
Dr. Valvert completed her PhD in Biomedical Sciences at USAC, building an active research career alongside teams from Harvard University, Stanford University, and Ohio State University, as well as researchers from the most prestigious hospitals across Latin America.
Active presence in the international scientific community
A regular speaker and participant at international hematology and oncology congresses and symposiums. An active member of the American Society of Hematology, the Latin American Group of Lymphoproliferative Syndromes, and the Guatemalan Association of Oncology.
Back in Guatemala, leading hematology and transplant at Hospital Bonanova
Today Dr. Valvert leads the Hematology Service and the Bone Marrow Transplant Unit at Bonanova, a private hospital specializing in cancer care in Zona 15, Guatemala City. With its own laboratory, blood bank, oncology compounding pharmacy, and full institutional support, her patients receive in Guatemala the level of care found at the world’s best centers.

“I am a hematologist with a conviction: leukemia and lymphoma can be cured when treated at experienced centers, with an integrated diagnosis and access to updated, individualized treatment protocols. Not as a promise, but as the result of 15 years of continuous training at the highest level, active research in the world’s most demanding journals, and a clinical approach that places the cure as the only goal.”Dr. Fabiola Valvert
Years of experience in Hematology and Bone Marrow Transplant
Scientific publications in Lancet, Blood, and JCI
Of patients rated the service as A+
Countries from which patients come for consultation
Curative treatment for
complex hematologic diseases
Hematology and hematologic oncology consultations in Guatemala City, with precision diagnosis, updated protocols, and curative intent in every case.
Leukemia
Acute and chronic leukemia
Diagnosis through cytology, flow cytometry, cytogenetics, and molecular biology, complete prognostic classification, and treatment with curative intent. Management of relapses and rescue therapy in misclassified cases or cases with prior failed treatment.
Key Benefits:
- Integrated, precise diagnosis from the first consultation
- Prognostic classification
- Updated treatment protocols with curative intent
- Management of relapses and rescue therapy in previously failed cases
- Monitoring of measurable residual disease, to detect whether disease persists during and after treatment
Lymphoma
Hodgkin · Non-Hodgkin B and T
Integrated histopathological diagnosis, staging with PET-CT, and curative first-line treatment in most lymphoma cases. In non-curable lymphomas, treatments aimed at durable responses and quality of life. A reference center for the management of T-cell lymphoma patients in Guatemala.
Key Benefits:
- Precise differential diagnosis between lymphoma subtypes
- Complete staging with PET-CT, bone marrow biopsy in selected cases
- Curative treatment including relapsed cases
- Management of T-cell lymphoma — a highly complex subspecialty
- Monitoring of measurable residual disease using molecular techniques
Multiple Myeloma
Diagnosis · treatment · follow-up
Integrated cytopathological and imaging diagnosis with flow cytometry, genetics, PET scan, and whole-body MRI. Treatment with immunotherapy, immunomodulators, radiotherapy, and bone marrow transplant. Integrated pain management.
Key Benefits:
- Complete diagnosis with flow cytometry, genetics, and advanced imaging
- Updated treatment with immunotherapy and immunomodulators
- Radiotherapy and bone marrow transplant when applicable
- Integrated pain management and long-term follow-up
Blood Disorders
Anemias · coagulation · platelets
Evaluation and treatment of refractory anemias (aplastic, hemolytic, sickle cell), hemophilia, thrombocytopenic purpura, and thrombophilias. Complete differential diagnosis for cases with no prior response to treatment.
Key Benefits:
- Complete differential diagnosis of complex anemias
- Management of coagulation disorders and thrombosis
- Treatment of sickle cell disease and hemolytic anemias
- Second opinion for cases with no prior response to treatment
Bone Marrow Transplant
Autologous · allogeneic
Dr. Valvert leads the Bone Marrow Transplant Program at Bonanova, Hemato-Oncology Hospital, the only center in Guatemala with the technology, facilities, and multidisciplinary team trained at the world’s most prestigious centers to perform bone marrow transplant to international standards.
Key Benefits:
- Certified program with international protocols
- Multidisciplinary team trained at the world’s top hospitals
- Autologous transplant, allogeneic transplant, and donor lymphocyte infusion
- Personalized long-term post-transplant follow-up
- Post-transplant vaccination protocol
Early Diagnosis and Prevention
Screening · counseling · surveillance
Screening of healthy individuals based on age and genetic risk, comprehensive programs for weight and cardiometabolic and cancer risk reduction, and alcohol and tobacco cessation programs. Clear counseling on warning signs and personalized follow-up.
Key Benefits:
- Personalized screening based on age and genetic risk
- Comprehensive programs for weight and cardiometabolic risk reduction
- Support for alcohol and tobacco cessation
- Clear counseling on warning signs and personalized follow-up
Hematology Second Opinion
Leukemia · lymphoma · myeloma · blood disorders
For complex cases or cases with an incomplete diagnosis, failed treatment, or doubts about the proposed protocol — Dr. Valvert independently reviews the case with up-to-date criteria. Available in person and via telehealth for international patients.
Key Benefits:
- Independent case review with no commitment to the prior diagnosis
- Comprehensive medical report of the second opinion
- Updated, evidence-based recommendations
- Evaluation of curative options inside and outside Guatemala when only palliative treatment was previously offered
- Telehealth available for patients outside Guatemala
Polycythemia Vera and Myeloproliferative Diseases
Diagnosis · treatment · risk control
Complete evaluation with JAK2, CALR, and MPL molecular studies, bone marrow biopsy, and imaging. Treatment focused on symptom control, reducing thrombotic risk, and preventing progression to myelofibrosis or acute leukemia. Personalized long-term follow-up.
Key Benefits:
- Precise molecular diagnosis with JAK2, CALR, and MPL
- Treatment aimed at reducing thrombotic and hemorrhagic risk
- Prevention of progression to myelofibrosis or acute leukemia
- Personalized follow-up and long-term treatment adjustment
Anemia and Thrombophilia in Pregnancy
Diagnosis · management · perinatal follow-up
Diagnosis and management of anemias in pregnancy — iron-deficiency, megaloblastic, hemolytic, and aplastic — as well as hereditary and acquired thrombophilias with risk of thrombosis, recurrent pregnancy loss, or placental complications. Coordinated management with the obstetric team to ensure maternal and fetal safety.
Key Benefits:
- Complete diagnosis of anemias and thrombophilias in pregnancy
- Reduced risk of thrombosis, pregnancy loss, and placental complications
- Coordinated management with the obstetric team
- Hematologic follow-up throughout pregnancy and the postpartum period
Leukemia
Acute and chronic leukemia
Diagnosis through cytology, flow cytometry, cytogenetics, and molecular biology, complete prognostic classification, and treatment with curative intent. Management of relapses and rescue therapy in misclassified cases or cases with prior failed treatment.
Key Benefits:
- Integrated, precise diagnosis from the first consultation
- Prognostic classification
- Updated treatment protocols with curative intent
- Management of relapses and rescue therapy in previously failed cases
- Monitoring of measurable residual disease, to detect whether disease persists during and after treatment
Lymphoma
Hodgkin · Non-Hodgkin B and T
Integrated histopathological diagnosis, staging with PET-CT, and curative first-line treatment in most lymphoma cases. In non-curable lymphomas, treatments aimed at durable responses and quality of life. A reference center for the management of T-cell lymphoma patients in Guatemala.
Key Benefits:
- Precise differential diagnosis between lymphoma subtypes
- Complete staging with PET-CT, bone marrow biopsy in selected cases
- Curative treatment including relapsed cases
- Management of T-cell lymphoma — a highly complex subspecialty
- Monitoring of measurable residual disease using molecular techniques
Multiple Myeloma
Diagnosis · treatment · follow-up
Integrated cytopathological and imaging diagnosis with flow cytometry, genetics, PET scan, and whole-body MRI. Treatment with immunotherapy, immunomodulators, radiotherapy, and bone marrow transplant. Integrated pain management.
Key Benefits:
- Complete diagnosis with flow cytometry, genetics, and advanced imaging
- Updated treatment with immunotherapy and immunomodulators
- Radiotherapy and bone marrow transplant when applicable
- Integrated pain management and long-term follow-up
Blood Disorders
Anemias · coagulation · platelets
Evaluation and treatment of refractory anemias (aplastic, hemolytic, sickle cell), hemophilia, thrombocytopenic purpura, and thrombophilias. Complete differential diagnosis for cases with no prior response to treatment.
Key Benefits:
- Complete differential diagnosis of complex anemias
- Management of coagulation disorders and thrombosis
- Treatment of sickle cell disease and hemolytic anemias
- Second opinion for cases with no prior response to treatment
Bone Marrow Transplant
Autologous · allogeneic
Dr. Valvert leads the Bone Marrow Transplant Program at Bonanova, Hemato-Oncology Hospital, the only center in Guatemala with the technology, facilities, and multidisciplinary team trained at the world’s most prestigious centers to perform bone marrow transplant to international standards.
Key Benefits:
- Certified program with international protocols
- Multidisciplinary team trained at the world’s top hospitals
- Autologous transplant, allogeneic transplant, and donor lymphocyte infusion
- Personalized long-term post-transplant follow-up
- Post-transplant vaccination protocol
Early Diagnosis and Prevention
Screening · counseling · surveillance
Screening of healthy individuals based on age and genetic risk, comprehensive programs for weight and cardiometabolic and cancer risk reduction, and alcohol and tobacco cessation programs. Clear counseling on warning signs and personalized follow-up.
Key Benefits:
- Personalized screening based on age and genetic risk
- Comprehensive programs for weight and cardiometabolic risk reduction
- Support for alcohol and tobacco cessation
- Clear counseling on warning signs and personalized follow-up
Hematology Second Opinion
Leukemia · lymphoma · myeloma · blood disorders
For complex cases or cases with an incomplete diagnosis, failed treatment, or doubts about the proposed protocol — Dr. Valvert independently reviews the case with up-to-date criteria. Available in person and via telehealth for international patients.
Key Benefits:
- Independent case review with no commitment to the prior diagnosis
- Comprehensive medical report of the second opinion
- Updated, evidence-based recommendations
- Evaluation of curative options inside and outside Guatemala when only palliative treatment was previously offered
- Telehealth available for patients outside Guatemala
Polycythemia Vera and Myeloproliferative Diseases
Diagnosis · treatment · risk control
Complete evaluation with JAK2, CALR, and MPL molecular studies, bone marrow biopsy, and imaging. Treatment focused on symptom control, reducing thrombotic risk, and preventing progression to myelofibrosis or acute leukemia. Personalized long-term follow-up.
Key Benefits:
- Precise molecular diagnosis with JAK2, CALR, and MPL
- Treatment aimed at reducing thrombotic and hemorrhagic risk
- Prevention of progression to myelofibrosis or acute leukemia
- Personalized follow-up and long-term treatment adjustment
Anemia and Thrombophilia in Pregnancy
Diagnosis · management · perinatal follow-up
Diagnosis and management of anemias in pregnancy — iron-deficiency, megaloblastic, hemolytic, and aplastic — as well as hereditary and acquired thrombophilias with risk of thrombosis, recurrent pregnancy loss, or placental complications. Coordinated management with the obstetric team to ensure maternal and fetal safety.
Key Benefits:
- Complete diagnosis of anemias and thrombophilias in pregnancy
- Reduced risk of thrombosis, pregnancy loss, and placental complications
- Coordinated management with the obstetric team
- Hematologic follow-up throughout pregnancy and the postpartum period
“Every patient who comes to my practice has a high probability of being cured. This is not a promise: it is the result of 15 years of continuous training at the highest level, active research, and a clinical protocol with curative intent as the first goal.”Dr. Fabiola Valvert
First consultation available this week
Backed by
Internationally Prestigious Organizations
Dr. Valvert belongs to the most demanding hematology associations in the world, ensuring continuous professional development, access to cutting-edge protocols, and active participation in global research.
International Organizations
American Society of Hematology
Active member of the world’s most influential hematology society, with access to the most up-to-date clinical protocols and guidelines.
Latin American Organizations
Latin American Group for the Study of Lymphoproliferative Disorders
Active member and collaborating researcher in multicenter studies on lymphoma in Latin America, with publications in Lancet Haematology and JGO.
National Organizations
Colegio de Médicos y Cirujanos de Guatemala
License #18853 — Committed to medical ethics and excellence in Guatemala.
Guatemalan Association of Oncology
Active member of Guatemala’s leading oncology association.
Research Areas
T/NK-cell lymphoma, precision diagnosis in lymphomas, and Bone Marrow Transplant. International scientific publications indexed in PubMed, reflecting my commitment to advancing Hematology.
Epidemiology, clinical features, and outcomes of peripheral T-cell lymphoma in Latin America
The Lancet Haematology • 2025
Malpica L, Idrobo H, Pavlovsky A, Miranda ECM, Castro D, Beltran B, Enriquez D, Vasquez JF, Roche C, Valvert Fabiola, et al.
📊 The Lancet Haematology, 2025
Geographic EBV variants confound disease-specific variant interpretation and predict variable immune therapy responses
Blood Advances • 2024
Briercheck E, Ravishankar S, Barrios J, Silva O, Solorzano E, Siliezar M, Stevenson P, Chen Y, Wohns A, Enriquez-Vera D, Barrionuevo C, Weinstock DM, Natkunam Y, Valvert Fabiola, et al.
📊 Blood Advances, May 2024 - PubMed ID: 38815238
SSTR2 expression in EBV-positive and EBV-negative lymphomas
Journal of Hematopathology
Comparing Hodgkin and non-Hodgkin lymphoma mortality between Latin America and the United States from 2008 to 2019
Journal of Global Oncology
Anti-SARS-CoV-2 IgG antibodies pre- and post-vaccination behavior in health workers from a Guatemalan cancer center
Gaceta Médica de México
Identification and targeting of the developmental blockade in extranodal natural killer/T cell lymphoma
Journal of Clinical Investigation
Specialized hematology in
Guatemala City
Dr. Valvert sees patients at Bonanova, a private hospital specializing in cancer care located in Zona 15, Guatemala City, with all the infrastructure needed for comprehensive hematologic diagnosis and treatment from day one.

Hospital Bonanova
15 Avenida 5-50 zona 15 Vista Hermosa 3, Edificio Spazio, Oficina 10-01
Landmarks
Ideal for patients diagnosed with leukemia, lymphoma, multiple myeloma, blood disorders, or those who need evaluation for bone marrow transplant.
Features
Hours and Information
Monday to Friday from 9:00 AM to 6:00 PM Saturday from 9:00 AM to 12:00 PM
1-2 hours for first consultation
Q475 consultation
Appointment preferred