Lymphadenopathy Flashcards
What is the most likely cause of a painful lymphadenopathy?
Usually caused by the draining of an area of acute infection
What are the 3 common causes of a painless lymphadenopathy?
Chronic inflammation
Metastatic carcinoma
Lymphoma
Enlargement of lymph nodes seen with rheumatoid arthritis or in early stages of HIV infection are often caused by hyperplasia of what area of the lymph node?
Follicular (B-cell region)
Why is follicular hyperplasia seen with early HIV infection?
CD4+ T cells are within the follicular region, which is the target for HIV infection
Infectious mononucleosis or other viral infections will cause hyperplasia to what are of the lymph node?
Paracortex (T-cell region)
Lymph nodes draining a tissue with cancer can have hyperplasia of what?
Sinus histiocytes