Ch 13: WBC, Lymph Nodes, Spleen, & Thymus Pt 2. Flashcards
1
Q
what is the most common genetic cause of leukemias, specifically chronic myeloid leukemia
A
translocation - philadelphia chromosome
2
Q
what is the main cause of massive congestive splenomegaly
A
cirrhosis of the liver
3
Q
what causes a splenic infarct
A
occlusion of major splenic artery or any of its branches
only one path in and out, so occlusion results in an infarct
4
Q
what is an accessory spleen called
A
splenunculi
5
Q
what does the thymus weigh at birth
A
10-35 g
6
Q
what is the maximum weight of a thymus (at puberty)
A
20 to 50 g
7
Q
how much does a thymus weigh in an older adult
A
5-15 g
8
Q
which disease is classfied by thymic hypoplasia or aplasia
A
DiGeorge Syndrome
9
Q
what is a thymoma
A
usually benign, encapsulated tumors that can be both invasive or noninvasive
persistance of thymus tissue
