Oncology (Leukemia/Lymphoma) Flashcards
Difference between CML and Leukemoid reaction
Rxn has low leukocyte alkaline phosphatase
Hodgkin’s lymphoma node presentation
Single, localized group of nodes with contiguous spread!
Non-Hodgkin’s node presentation
Multiple peripheral nodes with extranodal involvement and noncintiguous spread
Hodgkin’s smear findings
Reed-Sternberg cells
Non-Hodgkin’s smear findings
Most are B cell
Hodgkin’s lymphoma ages
Young adults and those > 55
More common in men except nodular sclerosing
Non-Hodgkin’s ages
20-40 years of age
HIV and immunosuppression are associated with this type of lymphoma
Non-Hodgkin’s
RS cells cytostain profile
CD15+
CD30+
B cell origin
Burkitt’s lymphoma demographics
Young adults
Burkitt’s genetics
t(8;14) of c-myc (8) and heavy chain Ig (14)
Burkitt’s genetics memory tool
B looks like 8
14 kitties
t(8;14) c-myc;Ig
Burkitt’s smearpearance
Starry sky with sheets of lymphocytes
Which lymphoma is associated with EBV?
Burkitt’s
Burkitt’s presentation locations
Africa: jaw
Sporadic: pelvis/abdomen
Diffuse large B-cell facts
MC adult NHL
Older adults
Mantle cell immunostains
CD5+
5 candles on my mantles
Mantle cell genetics
t(11;14) cyclin D1 and heavy Ig
turn of fire on mantle at 11:14 pm
Follicular lymphoma genetics
t(14:18) Ig and bcl-2
Adult T-cell lymphoma caused by
HTLV-1
Presentation of adult T-cell lymphoma
Cutaneous lesions
Japan, West Africa, Caribbean
Aggressive
Mycosis fungoides/Sezary presentation and stains
CD4+
Cutaneous patches and nodules (differentiate fromT-cell lymphoma by CD4)
Multiple myeloma pathogenesis
Plasma cell cancer arising in marrow and makes lots of IgG or IgA