Myelodysplastic Syndrome - 2
Main group at risk are >50 year olds
Incidence:
A few cases seen in younger adults and children
Types of MDS:
Primary MDS:
Therapy-related MDS:
Hereditary MDS:
Inherited defects
t-MDS or TR-MDS
Over again or anew
Etiology of MDS:
Proposed that a disruption of apoptosis may be responsible for the ineffective hematopoiesis seen in MDS. Contributing factors may be:
Environmental exposure
Chemical insults
Radiation exposure
Smoking
Viral infections