Lymphoma Flashcards
What are malignant lymphomas?
malignant tumours that originate in lymph nodes, spleen, tonsils, appendix, MALT
What are the two general catergories of lymphoma?
1) Hodgkin lymphomas
2) Non-Hodgkin lymphomas
What causes Hodgkin’s lymphoma?
Hodgkin’s lymphoma is idiopathic.
However, it may be linked to viruses (Epstein Barr), carcinogens and genetic and immune mechanisms.
What is the pathophysiology of Hodgkin’s lymphoma?
- malignant growth of lymphocytes in one lymph node or other peripheral lymphoid tissue
- usually spreads to adjacent lymph nodes
- tumour contains Reed-Sternberg cells
What are the manifestations of Hodgkin’s lymphoma?
- firm, painless, enlarged lymph node(s)
What are B symptoms/systemic symptoms of lymphomas?
- fever
- night sweats
- weight loss
How is Hodgkin’s lymphoma treated/managed?
- for early stages, chemotherapy followed by radiation to specific area involved
- for later stages, combination chemotherapy
- transplant may be considered in advanced disease
What is the pathophysiology of Non-Hodgkin’s lymphoma?
- malignant growth of lymphocytes, usually of B lymphocytes, in multiple peripheral lymphoid tissues
- spreads unpredictably to other tissues (not just to adjacent lymphoid tissues)
What causes Non-Hodgkin’s lymphoma?
Etiology is unknown.
However, occurs more frequently in people with compromised immune system, viral infection (HIV, Epstein-Barr) or who have been exposed to certain toxins (agent orange).
What are the manifestations of Non-Hodgkin’s lymphoma?
- painless enlargement of lymph nodes, if cancer is non-aggressive, this sign may come and go
How is Non-Hodgkin’s lymphoma treated?
- if slow-growing, not very aggressive = “watchful waiting”
- combination chemotherapy for aggressive types