Heme path 1 Flashcards
poor prognosis in CLL
CD38 and ZAP70 positive
del(11q), del(17p), Tri 12
Good prognosis in CLL
del(13q)
Bone marrow in hairy cell
reticulin fibrosis with dry tap
Phenotype of Hairy cell
Bright
CD11c, CD25, CD103
Annexin A1, TRAP, DBA.44
CD20 in CLL
dim
BCL2 in cutaneous follicular lymphoma
often negative
t(14:18)
90% of FL
Translocation in FL
t(14;18)
FL in peripheral blood
buttock cells
phenotype of Mantle cell
nuclear cyclinD1 (80%), CD20, CD5, CD43, BCL-2
translocation in mantle cell
t(11:14) BCL1-IGH
t(11;14)
mantle cell
morphology of marginal zone
monocytoid, plasmacytoid, dutcherbodies, lymphoepithelial lesions
translocation in MALT
t(11;18) MLT-API2
t(11;18)
MALT (25-50%)
risk factors for extranodal marginal zone lymphoma
H.pylori sjogren hashimoto Hep C Borrelia burgdorferi (in skin) Campylobacter (in eye)
Definition of Waldenstrom
LPL with IgM monoclonal gammopathy
Clinical presentation of LPL
hyperviscosity, neuropathy, cryoglobulinemia
Three translocations in Burkitt
t(8;14) IgH/myc
t(2;8) myc/kappa
t(8;22) myc/lambda
Oct2 and BOB1 positive in
NLPHL
Tcells ringing malignant cells in NLPHL
CD3+, CD57+
Hodgkin with highest percentage of EBV positivity
mixed cellularity
Hodgkin with lower percentage of mediastinal involvement
mixed cellularity
HL with regressed germinal centers
lymphocyte rich
Location of RS cells in lymphocyte rich HL
mantle zone
Tcell lymphomas occuring in LNs (3)
- Peripheral T cell lymphoma, NOS
- Angioimmunoblastic
- Anaplastic large cell lymphoma
Tcell lymphomas occurring as leukemia/bone marrow involvement (5)
- adult Tcell leukemia
- T cell prolymphocytic leukemia
- T cell LGL leukemia
- Aggressive NK/Tcell leukemia
- T cell lymphoblastic leukemia
Extranodal T cell lymphomas (7)
- enteropathy assd
- Hepatosplenic
- Extranodal NK/Tcell
- Subcutanous panniculitis-like T cell lymphoma
- Gamma-delta T cell lymphoma
- Mycosis fungoides
- primary cutaneous CD30+ T cell lymphoproliferative dz
Morphologic clues to T cell origin
Clear cytoplasm and eosinophils