Which is the most common preceding infection in bone marrow failure syndromes?
A. Parvo B19
Correct Answer : D. Hepatitis
Aplastic anaemia – bone marrow histology
- Most common infection preceding bone marrow failure syndrome is hepatitis.
- It is usually sero negative ( non-A, non- B, non – C ).
- It accounts for 5% of etiologies.
- Parvo virus can cause pure red cell aplasia, but it doesn’t usually cause generalised bone marrow failure.
Ref: Harrison’s principles of internal medicine, 19 th edition, page 664
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