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83 Cards in this Set
- Front
- Back
Distinguish leukemoid rxn from CML
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aka: "left shift" ↑ leukocyte alkaline phosphatase [both have ↑neutrophils and band cells]
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Hodgkin's staging. A vs B?
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I: single LN. II: >1LN III: >1LN both sides diaphragm IV: metastasis out of LNs
A = no constitutional sx B = constitutional sx |
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Hodgkins 1) localized or not 2) contiguous or non contiguous 3) characteristic cells 4) can be associated with
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1) localized 2) Contiguous 3) RS cells 4) EBV
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Hodgkins more common in men or women
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men except for nodular sclerosing type (equal)
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Better prognosis to have more lymphocytes or RS cells in hodgkins?
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lymphocytes
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RS cells
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bilobed, owl's eyes, CD30+15+ necessary but not sufficient for diagnosis of hodgkin's
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Best prognosis hodgkins
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nodular sclerosing form
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t(8;14)
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Burkitt's lymphoma (cMyc & heavy chain Ig translocation)
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t(11;14)
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Mantle cell (translocation of cyclin D1 & heavy chain Ig)
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t(14;18)
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follicular cell lymphoma (translocation of heavy chain Ig & bcl-2)
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Sheets of lymphocytes, interspersed macrophages
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starry sky appearance of burkitt's
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endemic form vs sporadic form of burkitts
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endemic: jaw lesion Africa sporadic: pelvis or abdomen
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Most common adult non hodgkin lymphoma
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Diffuse large b cell. Mature T cell origin sometimes
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CD5+ non hodgkins lymphoma
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mantle cell
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cutaneous lesions, aggressive NHL
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adult t cell
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cutaneous patches/nodules, NHL, CD4+ cells, cerebriform nuclei
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Mycosis fungoides/Sézary syndrome
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Multiple Myeloma: think CRAB
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hyperCalcemia, Renal insufficiency, Anemia, Bone lytic lesions/Back pain
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Monoclonal spike in MM
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M spike of IgG or IgA
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High yield associations with MM
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Primary amyloidosis (RF), LYTIC bone lesions, M spike, Ig light chains (bence jones), Rouleaux formation
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Plasma cells with clock face chromatin and intracytoplasmic inclusions
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MM
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if M spike = IgM?
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waldenstrom's macroglobulinemia. HYPERVISCOSITY symptoms, no lytic bone lesions
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Trisomy 21 is associated with what leukemia
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ALL
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Smudge cells.
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CLL
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<15 yo, mediastinal mass, ↑lymphoblasts in peripheral smear and BM
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T cell ALL
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Translocation in ALL with better prognosis
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t(12;21)
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ALL cells are + for what markers
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TdT+ (preB and preT cells) & CALLA+
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>60 yo, autoimmune hemolytic anemia, smudge cells
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CLL
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SLL
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same as CLL except CLL has ↑ lymphocytosis
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Mature b cell tumor in elderly that is TRAP positive
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hairy cell leukemia
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Tx for hairy cell
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cladribine (adenosine analog)
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DIC is a common presentation in
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AML [auer rods release)
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t(15;17)
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AML auer rods vit A tx DIC ↑myeloblasts on smear
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↑neutrophils, metamyelocytes, BASOPHILS, very low leukocyte alkaline phosphatase
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CML (9;22, bcrabl philadelphia chromosome, etc)
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blast crisis
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CML transforms to AML or ALL, quick death
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peroxidase positive cytoplasmic inclusions
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Auer bodies
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t(11;22)
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ewing sarcoma (EWS/FLI fusion protein)
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Lytic bone lesions, skin rash, S100 & CD1a cells
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Langerhan's cell histiocytosis (birbeck "tennis rackets" on EM)
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JAK2 is involved in
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myelofibroproliferative disorders (other than CML such as PV, ET, myelofibrosis)
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Intense itching after hot shower
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Polycythemia Vera (↑Hct)
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↑ plts and JAK2 involved
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Essential thrombocytosis
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teardrop cells
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myelofibrosis
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relative polycythemia
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↑ plasma volume
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Lung disease, CHF, high altitude: type of polycythemia
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appropriate absolute (↑ RBC ↓O2 saturation makes it 'appropriate')
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RCC, Wilm's tumor, cyst, HCC, hydronephrosis: type of polycythemia
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Inappropriate absolute (↑RBC mass no change in O2 sat)
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↑ plasma volume and ↑↑ RBC mass, EPO low =
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PV [EPO low b/c prolif w/o stimulation]
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Antidote for methotrexate
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leucovorn (folinic acid)
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5-FU antidote
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Thymidine
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Doxorubicin antidote
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dexrazoxane
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Cyclophosphamide antidote
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Mesna
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Cisplatin antidote
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Arnifostine
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Hodgkin's lymphoma tx antidote
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GM-CSF (molgramostim)
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antineoplastic drug resistance via
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MDR-1 ATP dependent efflux pump
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MTX moa
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inhibit dihydrofolate reductase.
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non neoplastic uses MTX
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abortion, ectopic pregnancy, rheumatoid, psoriasis
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5-FU moa
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thymidylate synthase ↓ dTMP ↓ DNA
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Cytarabine (Ara-C) MOA
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pyrimidine analog inhibits DNA pol
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Azathioprine, 6 MP, 6 TG moa
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purine analogs ↓ de novo purine synthesis and activated by HGPRT (Do not give with allopurinol except 6-TG)
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antimetabolite antineoplastic agents work on which phase of cell cycle
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S phase
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cross BBB and enter CNS, tx for brain tumors
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nitrosoureas (-ustine ending)
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Alkylating agent
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cyclophosphamide and cisplatin, busulfan
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intercalating agents
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daunorubicin & doxorubicin & dactinomycin D
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Uses of dactinomycin D
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wilm's tumor, ewing's sarcoma, rhabdomyosarcoma
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Vincristine vs vinblastine S/E
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vincristine: neurotoxicity, vinblastine blasts your BM
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vincristine vinblastine moa
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block MT polymerization
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paclitaxel moa, use
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hyperstabilize MTs in M phase, used for ovarian and breast CA
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testicular carcinoma tx
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cisplatin
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moa etoposie
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inhibit topoII
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hydroxyuria moa
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increases HbF, and decreases DNA synthesis.
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Tamoxifen s/e
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increased risk of endometrial cancer
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trastuzumab moa
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mab against her2
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Imatinib
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against bcr-abl philadelphia chromosome. CML and GI stromal tumors
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Rituximab
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mab against CD20, non hodgkins lymphoma and rheumatoid arthritis
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Vemurafenib
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inhibits b-raf kinase with v600e mutation (metastatic melanoma)
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Bevacizumab
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mab against VEGF.
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toxicity of cisplatin/carboplatin
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acoustic nerve damage and nephrotoxicity
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Vincristine s/e
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peripheral neuropathy
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bleomycin, busulfan s/e
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pulmonary fibrosis (& skin hyperpigmentation with bleomycin)
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doxorubicin s/e
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cardiotoxicity
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trastuzumab s/e
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cardiotoxicity
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cyclophosphamide s/e
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hemorrhagic cystitis
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5-FU, 6-MP, MTX s/e
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myelosuppression
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Preventing tumor lysis syndrome
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allopurinol or rasburicase
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Pure red cell aplasia 1) characterized by 2) associated with
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1) Marrow failure with severe hypoplasia of erythroid elements, with normal granulopoiesis and thrombopoeisis 2) assoc with Thymoma, lymphocytic leukemias, and parvo B19 infection
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