74. non-neoplastic disorders of the lymphoid system (reactive lymphadenopathy) Flashcards
1
Q
definition of lymphadenopathy
A
enlargement of lymph node due to infection/inflammation
2
Q
types of lymphadenopathy (2)
A
acute lymphadenopathy
chronic lymphadenopathy
3
Q
cause & characteristics of acute lymphadenopathy
A
due to local infection draining
painful lymphadenopathy
4
Q
cause of chronic lymphadenopathy (3)
A
chronic inflammation
metastatic carcinoma
lymphoma
5
Q
subtypes of chronic lymphadenopathy (3)
A
follicular hyperplasia : B cell
paracortex hyperplasia : T cell
hyperplasia of sinus histiocyte
6
Q
cause of follicular hyperplasia (2)
A
rhematoid arthritis
early HIV infection
7
Q
cause of paracortex hyperplasia
A
viral infection (EBV : infectious mononucleosis)
8
Q
cause of hyperplasia of sinus histiocyte
A
draining of tissue with cancer, cause immune response
