growth/size/body
• spleen weight is increased fourfold
|
hematopoietic system
• spherocytes are absent and echinocytes are invariably present in peripheral blood smears
• red cells pull apart and only thin strands of membrane attach the two halves in blood smears
|
• accelerated erythropoiesis
|
• decreased red cell mean corpuscular hemoglobin content
|
anisocytosis
(
J:72146
)
• have 83% circulating reticulocytes compared to 3.1% in controls
|
• the normal nodular splenic architecture is completely effaced
|
• spleen weight is increased fourfold
|
• expansion of the splenic red pulp
|
homeostasis/metabolism
• elevated bilirubin levels, indicating red cell hemolysis
|
• iron accumulation in kidney tubules and liver but not in the spleen
|
• iron accumulation in kidney tubules and liver but not in the spleen
|
reproductive system
immune system
• the normal nodular splenic architecture is completely effaced
|
• spleen weight is increased fourfold
|
• expansion of the splenic red pulp
|
liver/biliary system
• iron accumulation in kidney tubules and liver but not in the spleen
|
renal/urinary system
• iron accumulation in kidney tubules and liver but not in the spleen
|
integument