Splenic calcifications can occur is various shapes and forms and can occur from a myriad of etiological factors.
The usual calcification observed in radiographs are the multiple, miliary form presenting numerous small rounded densities averaging from three to five millimeters in diameter where are thought to be often caused by phleboliths.
Other associations include:
- diffuse calcifications
- systemic lupus erythematosus: rare 1
- splenic granulomatous disease 6
- splenic amyloidosis 4-5
- splenic candidiasis 7
- splenic non-tuberculous mycobacterial infection 9
- infection with Pneumocystic jiroveci 7
- related to sickle cell disease 7
- following treatment of lymphoma: Hodgkin disease 3
- cat scratch disease: rare 8
- hepatosplenic anthrasilicosis: rare 2
- calcified splenic lesions