Spleen Flashcards
4 components that make up the spleen
white and red pulp
vascular system
supporting tissue
functions of the spleen
storage
hematopoiesis: formation of blood cell
filtration
immune response
ligaments of the spleen
gastrosplenic
splenorenal
splenophrenic
splenocolic
splenule or accesssory spleen
usually near splenic hilum
small round and isoechoic to spleen
wandering spleen
spleen can move around abdomen
what is leukopenia
low WBC
leukocytosis
abnormal elevation of WBC
normal size of spleen
length under 11cm
width under 4cm
splenomegaly
most common finding
most common cause of large spleen
liver disease
blood cancer
infection
abnormal flow
blood cell disorder
splenic cyst
parasitic or non
more common in females
main causes of splenic abscess
infection
trauma
immunodeficiency conditions
splenic artery aneurysm
3rd common site for intra abdominal aneurysm
cystic lymphangioma
malformation of lymphatics is composed of endothelium lined cystic spaces
splenic hamartoma
rare
benign
vascular tumor
usually <3cm
usually no symptoms
splenic cavernous hemangioma
most common benign tumor
<2cm
hodgkins disease
cancer of lymph nodes
non hodkins
uncontrolled metastasis of undifferentiated lymphocytes
lymphoma
diffuse or focal
may have associated splenic hilar lymphadenoapthy
hemangiosarcoma most common symptoms
fever
malaise
abd pain
splenic infarct
refers to occlusion of splenic vascular supply
from trauma, vascular disease, autoimmune disease
