Oncology Flashcards
What is biggest predictor of px in Hodgkin lymphoma?
Stage
Characteristic cell in Hodgkin lymphoma?
Reed-Sternberg cells
- “owl eyes”
- CD15+, CD30+
What virus is Hodgkin lymphoma associated with?
EBV
What virus is non-Hodgkin lymphoma associated iwth?
HIV
What type of Hodgkin lymphoma is more common in females? (All others are more common in males)
Nodular sclerosing type
Burkitt Lymphoma translocation?
t(8;14)
- c-myc (TF that promotes cell growth)
Burkitt Lymphoma Buzz Words
- “Starry sky”
- “Tingible body mac”
- EBV
- Jaw lesion in Africa
Most common type of non-Hodgkin lymphoma in adults?
Diffuse large B-cell lymphoma
Follicular Lymphoma translocation?
t(14;18)
- BCL-2 (anti-apoptotic)
Mantle cell lymphoma translocation?
t(11;14)
- Cyclin D1 (G1–>S)
Primary central nervous system lymphoma associated with…?
- HIV/AIDS
- Confusion, memory loss, seizures
- Mass lesions on MRI
Adult T-cell Lymphoma caused by?
HTLV (assoc. w/ IV drug use)
Presentation of adult t-cell lymphoma?
Cutaneous lesions - Japan, W Africa, Carribbean
- Lytic bone lesions, hypercalcemia
Mycosis Fungoides/Sezary Syndrome buzz words
Skin patches/plaques (cutaneous T cell lymphoma)
- Atypical CD4+ cells w/ “cerebriform” nuclei
Multiple Myeloma Ig
IgG or IgA
Associations of MM?
- Infection (decreased Ag diversity)
- Primary amyloidosis (AL)
- Punched out lytic bone lesions (activate RANKL R on osteoclasts - IL-1&6)
- M spike
- Ig light chains in urine (Bence Jones)
- Rouleaux formation
Waldenstrom Macroglobulinemia
- M spike = IgM
- Hyperviscosity syndrome –> blurred vision, Raynaud
Pseudo-Pelger-Huet Anomaly
Neutrophils w/ bilobed nuclei
- Seen after chemo
Presentation of T-cell ALL?
Mediastinal mass (SVC-like syndrome)
ALL associated with what genetic mutation?
Down Syndrome
ALL peripheral blood smear/bone marrow?
Increased lymphoblasts
ALL Markers?
- TdT+ (pre-T and pre-B cells)
- CD10+ (pre-B)
- CD10, 19, 20 = B
- CD2, 8 = T
ALL translocation associated with better px?
t(12;21)
CLL markers?
CD20+, CD5+
CLL peripheral blood smear?
- Smudge cells
- AI hemolytic anemia
Richter Transformation?
SLL/CLL –> aggressive lymphoma (diffuse large B cell lymphoma)
Hairy Cell Leukemia bone marrow?
Marrow fibrosis –> dry tap on aspiration
Hairy cell leukemia Pdx?
Massive splenomegaly
Hairy cell leukemia stain?
TRAP+
Hairy cell leukemia treatment?
Cladribine, pentostatin
AML Buzzwords
- AUER RODS
- Myeloperoxidase +
- Increased circulating myeloblasts
RF for AML?
- Alkylating chemo
- Radiation
- Myeloproliferative disorders
- Down syndrome
APL Translocation?
t(15;17) - responds to all-trans retinoic acid (vit A)
- Presents as DIC
CML Translocation?
- t(9;22) = BCR-ABL (TK)
CML buzz word?
Basophilia
CML rx?
Imatinib (TK inhibitor)
Presentation of Langerhans cell histiocytosis?
- Lytic bone lesions
- skin rash
- Recurrent otitis media w/ mass involving mastoid bone
Langerhans cell histiocytosis markers?
S-100, CD1a
Birbeck granules
Chronic Myeloproliferative Disorder Mutation
V617F JAK2 mutation (cytoplasmic TK)
Polycythemia Vera presentation
- INTENSE ITCHING AFTER HOT SHOWER
- Erythromelagia (seere, burning pain and red-blue coloration)
Polycythemia vera rx?
Aspirin
Polycythemia vera labs?
Decreased EPO
Increased hematocrit
Increased RBCs, WBCs, Platelets
Polycythemia vera association?
Budd Chiari
Essential thrombocythemia characterized by…?
- Massive proliferation of megakaryocytes and platelets
- Increased platelets
Myelofibrosis ?
Increased fibroblast activity –> obliteration of bone marrow with fibrosis
- Massive splenomegaly
- Teardrop RBCs
- Decreased RBCs
What malignancies produce ectopic EPO?
RCC
HCC