Weir Questions (Lymphoma and Myeloma) Flashcards
What 4 major factors must a doctor consider when he/she decides if a cure is possible for a patient with lymphoma?
- Tumor histology
- Tumor stage
- Condition of patient
- Available therapies
Name the most common indolent lymphoma. Aggressive lymphoma?
Most common indolent: Follicular
Most common aggressive: Diffuse Large B Cell
Be able to stage a patient with lymphoma.
Stage I - single node or lymphoid structure
Stage II - two or more lymph regions one side diaphragm
Stage III - both sides of diaphragm
Stage IV - extranodal beyond E (sole site of disease)
What are the major treatment decision differences between indolent and aggressive lymphomas?
Indolent - only treat when symptomatic, response to simple therapies, local irradiation and prednisone
Aggressive - early therapy required, potential cure, combination chemotherapies (CHOP), bone marrow transplant for relapse
Understand the mechanism and sites of action of rituximab and ibrutinib.
rituximab - CD20 antigen, complement deposited and cells die
ibrutinib - Bruton tyrosine kinase blocker, cannot activate NF-kB
What is the name of the most common cutaneous lymphoma and what cell can you find in the blood of some of these patients?
mycosis fungoides; cells with ceribriform nuclei (in Sezary, the more advanced form of mycosis)
What is a common complication of radiation therapy in young Hodgkin’s Disease women?
breast cancer as a secondary malignancy (12% chance)
Name two complications of CLL
recurrent infection (I don’t know another one)
Name 2 poor prognostic chromosome abnormalities in CLL
17p, 11q deletion
When is BMT used in lymphoma?
when an aggressive lymphoma relapses
What is an M spike?
protein electrophoresis; where there is a lot of one Ig or monoclonal area
What does an IFE tell you?
it will tell you what specific type of Ig you are looking at
Name the four components of CRAB
hyperCalcemia, Renal insufficiency, Anemia, Bone destruction
Describe the mechanism of bone destruction in myeloma.
myeloma cells make DKK1, leading to increase in RANKL and IL6 by osteoblast progenitor cells and marrow stromal cells; osteoblast differentiation is blocked and osteoclast maturation is stimulated
Stage a myeloma with Durie Salmon and ISS.
Durie Salmon - Stage I is Hb>10, Ca12, Bence Jones>12/24 hrs, IgG>7 or IgA>5
ISS - B2M 3.5 is Stage I, B2M5.5 is Stage III