Haem/ Onc Flashcards

1
Q

Eastern Cooperative Oncology Group (ECOG) score - functional status for determination for oncological therapies

A

0 Fully active
1 Restricted physical activity, able to work
2 Able all self care unable to do work
3 Limited self care; in bed/ chair >50% day
4 Completely disabled
5 Dead

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2
Q

t(14;18)

A

follicular lymphoma

increased BCL-2 transcription

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3
Q

t(11;14)

A

Mantle cell lymphoma

deregulation of the cyclin D1 (BCL-1) gene

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4
Q

t(8;14)

A

seen in Burkitt’s lymphoma

MYC oncogene is translocated to an immunoglobulin gene

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5
Q

t(15;17)

A

seen in acute promyelocytic leukaemia (M3)

fusion of PML and RAR-alpha genes

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6
Q

t(9;22) - Philadelphia chromosome

A

CML

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7
Q

SIckel cell disaese - Sequestrian crisis

A

splenomegaly
hypotension
increased reticulocyte count

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8
Q

Sickle cell disease: Vasculo-oclusive/ Thrombotic crisis

A

extremely severe, deep bone pain

organ infarcts

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9
Q

Aplastic crises

A

caused by infection with parvovirus

sudden fall in haemoglobin

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10
Q

CA 125
CA 19-9
CA 15-3

A

CA 125 Ovarian cancer
CA 19-9 Pancreatic cancer
CA 15-3 Breast cancer

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11
Q
PSA
AFP 
CEA
S-100
Bombesin
A
S-100 - Melanoma, schwannomas
Bombesin - Small cell lung carcinoma, gastric cancer, neuroblastoma
PSA - Prostatic carcinoma
AFP - Hepatocellular carcinoma, teratoma
CEA - Colorectal cancer
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12
Q

Factor V Leiden mutation results in…

A

activated protein C resistance

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13
Q
Associated Carcinogens to cancers
Aflatoxin (produced by Aspergillus) 
Aniline dyes 
Asbestos 
Nitrosamines 
Vinyl chloride
A

Aflatoxin (produced by Aspergillus) - hepatocellular
Aniline dyes - Bladder (transitional cell ca)
Asbestos - Mesothelioma + bronchial
Nitrosamines - Oesophageal and gastric cancer
Vinyl chloride - Hepatic angiosarcoma

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14
Q

Thrombotic thrombocytopenic purpura (TTP) features (5)

A

Thrombotic thrombocytopenic purpura (TTP) is classically characterised as a pentad of: thrombocytopenia, microvascular haemolysis, fluctuating neurological signs, renal impairment and fever.

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15
Q

Thrombotic thrombocytopenia Mx

A

Plasma exchange

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16
Q

t(15;17)

A

Acute Myeloid Leukaemia

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17
Q

Thrombotic Thrombocytopenic Purpura pathophys

A

deficiency of ADAMTS13

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18
Q

Methaemaglobinaemia pathophys

A

Methaemoglobinaemia = oxidation of Fe2+ in haemoglobin to Fe3+

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19
Q

Desmopressin (DDAVP) MOA in von Willebrand disease

A

induces release of von Willebrand’s factor from endothelial cells

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20
Q

Paroxysmal Nocturnal Haemaglobinuria diagnostic test

A

Flow cytometry for CD59 and CD55

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21
Q

Herediatry angioedema Mx

A

acute - IV C1-inhibitor concentrate/ fresh frozen plasma

prophylaxis: anabolic steroid Danazol

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22
Q

Chronic lymphocytic leukemia investigation (2)

A

Immunophenotyping - key diagnostic tool

Blood film - smudge cells

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23
Q

Hereditary spherocytosis investigation

A

EMA binding test

24
Q

Hereditary spherocytosis features (3)

A

Normocytic anaemia
Gall stones
Family history
Splenomegaly

25
Diseminated intravascular coagulation blood picture (5)
↓ platelets ↓ fibrinogen ↑ PT & APTT ↑ fibrinogen degradation products schistocytes due to microangiopathic haemolytic anaemia
26
Thrombophillia most common cause
Factor V Leiden (protein C resistance)
27
Chronic myeloid leukemia Mx
Imatinib - tyrosine kinase inhibitor
28
Essential Thrombocytopenia Features (3) Mutation (1) Mx
Platelets >600, thrombosis and haemorrhage possible, burning sensation in hands JAK2 mutation Mx - Hydroxyurea (hydroxycarbamide)/ IFN alpha
29
``` Burkitt's Lymphoma Gene translocation viral association microscopy findings Mx - chemotherapy - complication ```
c-myc gne translocation, t(8;14) EBV starry sky appearance Tumour lysis syndrome
30
``` Blood film: Myelofibrosis Iron Def Anaemia Hyposplenism microangiopathic haemolytic anaemia Hereditary spherocytosis/ Autoimmune Haemolytic anaemia ```
``` "Tear Drop" Poikilocytes "Pencil" Poikilocytes Howell-jolly Schistocytes Spherocytes ```
31
Cyclophosphamide MOA side effect (3)
MOA - cross-linking in DNA | Haemorrhagic cystitis, myelosuppression, Transitional cell Ca
32
Bleomycin MOA SE
Degrades preformed DNA | Lung fibrosis
33
Anthracyclines (doxyrubicin) MOA SE
inhibits DNA + RNA synthesis, Stabilise DNA-topoisomerase II complex Cardiomyopathy
34
Methotrexate MOA SE (2)
Inhibit dihydrofolate reductase | Myelosuppression, Lung/ liver fibrosis
35
Fluorouracil MOA SE
Thymidylate synthase inhibitor | Myelosuppression, mucositis, dermatitis
36
Cytarabine MOA SE
pyrimidine antagonist, inhibit DNA polymerase | Myelosuppression, ataxia
37
Vincristine MOA SE
inhibit microtubule formation | peripheral neuropathy
38
Docetaxel MOA SE
prevent microtubule depolymerisation | Neutropenia
39
Irinotecan MOA SE
inhibit topoisomerase I | myelosuppression
40
cisplatin MOA SE (3)
cross-link DNA | Ototoxicity, peripheral neuopathy, hypomagnesaemia
41
Hydroxyurea MOA SE
Inhibit ribonucleotide reductase | myelosuppression
42
tumour lysis syndrome Mx
Rasburicase + IV fluid
43
Polycythaemia rubra vera assosications (2)
myelofibrosis | AML
44
Acute intermittent porphyria Features (3) Ix Mx
Abdominal, Neuro, psych symptoms Raise urinary porphobilinogen IV Haematin/ IV Glucose
45
Chronic lymphocytic leukaemia is due to...
Monoclonal proliferation of B cell lymphocytes
46
Haemophillia A deficiency in... | Haemophillia B deficiency in...
A - VIII | B - IX
47
Rasburicase MOA
Rasburicase - a recombinant version of urate oxidase, an enzyme that metabolizes uric acid to allantoin
48
Chronic Lymphocytic Leukaemia Features Ix
Often none - incidental lymphocytosis | Ix - immunophenotyping/ flow cytometry
49
Myeloma | Features (3)
Hypercalcaemia, renal failure, high total protein
50
Methaemaglobinuria causes
congenital - NADH methaemaglobin reductase def | Aquired - Co-Trimoxazole, dapsone, nitrates, sulphas, chloroquine
51
Essential Thrombocystosis - Platelets >600 | Mx
Hydroxyurea/ hydroxycarbimide
52
Waldenstrom Macroglobulinaemia | Features (3)
Older Hyperviscocity - strokes, headaches, blurred vision hepatosplenomegaly IgM
53
Vitamin B12 is absorbed where...?
Actively in terminal ileum
54
Methaemaglobinaemia Fx (1) Mx (1)
Normal pO2 with decreased oxygen saturations | Methylene Blue
55
Felty syndrome features (3)
neutropenia splenomegaly rheumatoid arthritis
56
Multiple Myeloma Features (4) Ix (1)
CRAB - hyperCalcaemia, Renal disfunction, Anaemia, bone pain | serum electrophoresis
57
Contrast-enhanced CT coronary angiogram is the first line investigation for...
stable chest pain of suspected coronary artery disease aetiology