Howell-Jolly bodies are seen in-
Howell Jolly bodies are purple nuclear remnants ,usually found singly, and are larger than basophilic stippling.They are present in megaloblastic anemia & after splenectomy.Reference :Harsh Mohan Textbook of pathology sixth edition pg no 293.
Liver disease
Postsplenectomy
Hemolysis
DIC
Haematology