Hematologist and Bone Marrow Transplant Specialist in Guatemala

Diagnosis through flow cytometry and cytogenetics, complete prognostic classification, chemotherapy, immunotherapy, and targeted therapies. Management of relapses and rescue therapy in misclassified cases or cases with prior failed treatment.

Integrated histopathological diagnosis, staging with PET-CT, and curative first-line treatment. Rescue therapy for relapses and management of T-cell lymphomas, a subspecialty available at very few centers in Guatemala.

Complete evaluation of multiple myeloma including protein electrophoresis, cytogenetic studies, and imaging. Treatment with immunomodulators, proteasome inhibitors, and monoclonal antibodies. Evaluation for autologous transplant when applicable.

Evaluation and treatment of refractory anemias (aplastic, hemolytic, sickle cell), hemophilia, thrombocytopenic purpura, thrombophilias, and other hemato-hemostatic disorders. Complete differential diagnosis for cases with no prior response to treatment.

Pre-transplant evaluation, classification of the indicated type (autologous or allogeneic), compatible donor search, conditioning, stem cell infusion, and long-term post-transplant follow-up. Subspecialty training at Hospital Vall d'Hebron in Barcelona.

Hematologic screening for patients with risk factors, active surveillance of monoclonal gammopathy of uncertain significance (MGUS), early-stage myelodysplastic syndromes, and other pre-leukemic states.

Incomplete diagnosis, failed treatment, or doubts about the proposed protocol. Dr. Valvert independently reviews leukemia, lymphoma, myeloma, and blood disorders — with a fellowship in cytogenetics and flow cytometry and over 15 years of experience.