- About this Module
- Overview of Thalassemia
- History of Medicine
- Eponyms
- Evolutionary Considerations
- Definitions
- Classification
- Pathophysiology
- Clinical Presentation
- Complications
- Diagnosis
- Treatment
- Special Populations
- Video Lectures
- Infographics
- Peripheral Smears
- Case Studies
- Journal Club
- Quizzes
- FAQ
- Patient Experiences
- Pocket Guide for Clinicians
- Information for Patients
- Clinical Practice Guidelines
- Beyond the Guidelines
- References
A genetic disorder of globin chain imbalance — where the same mutation can mean nothing in one patient and everything in another.
Thalassemia is not one disease. It is a spectrum of inherited hemoglobin disorders in which reduced or absent globin chain production leads to ineffective erythropoiesis, hemolysis, and anemia of widely varying severity. The same family of mutations can produce a silent carrier state, a lifelong transfusion requirement, or anything in between. Understanding thalassemia therefore means learning to think across that spectrum — connecting genotype to phenotype, distinguishing trait from disease, and recognizing how geography, genetics, and clinical context shape every decision from screening to treatment.
About this module
This module is organized to reflect the full scope of thalassemia — from the molecular basis of globin chain imbalance to the clinical realities of living with the disease across a lifetime. It begins with foundational biology and classification, moves through diagnosis and management, and extends into areas that are often underrepresented in standard references: evolutionary context, historical discovery, patient experience, and the practical challenges of long-term care. Whether you are a trainee encountering thalassemia for the first time, a clinician refining your approach, or a patient or family member seeking to understand the condition more deeply, the module is designed to be entered at any point and explored in any order.
Co-Editors
Edward J. Benz Jr., MD
President and CEO Emeritus
Dana-Farber Cancer Institute
Sujit Seth, MD
Weill Cornell Medical College
Erica Esrick, MD
Boston Children’s Hospital/Dana-Farber Cancer Institute
Kathryn E. Dickerson, MD, MSCS, FAAP
UT Southwestern Medical Center
Brian J. Carney, MD
Beth Israel Deaconess Medical Center
Support
Developed with support from an unrestricted educational grant from Agios.