Collaborative Hypertext of Radiology

accessory spleen

found in 10-30% of normal population
clinically important in:
- hemolytic anemia
- ITP
- hereditary spherocytosis
  - hypertrophy may cause relapse s/p splenectomy
none found larger than 2.5 cm
often multiple (~10%)

not to be confused with polysplenia syndrome

Charles E. Kahn, Jr., MD - 13 November 1997
Last updated: 1 October 2013