Haem Flashcards

1
Q

Blood features of Hereditary Spherocytosis

A

Type of haemolytic anaemia
Can present at any age

Increased unconjug bilirubin
Increased urinary urobilinogen
Increased LDH
Increased reticulocytes
Increased MCHC
Decreased haptoglobin
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2
Q

VTE RFs

A
Surgery
Trauma
Immobility
Malignancy
OCP/HRT
Pregnancy
IBD
Nephrotic syndrome
Obesity
Inherited thrombophilia: FVL, pCS deficiency, Antithrombin deficiency
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3
Q

6mo old girl with FTT, anaemia, frontal bossing

Dx and Rx

A

Cooley’s Anaemia AKA. Beta thalassaemia MAJOR (px in first year of life)

Lifelong transfusion + desferrioxamine

NB. Betathal minor is asymptomatic carrier state
Betathal intermedia has anaemia and moderate splenomegaly

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4
Q

Disoder causing bleeds into joints and muscles eg. massive haemarthrosis

A

Haemophilia

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5
Q

In warfarin toxicity, when to give vitamin K?

A

If minor bleeding present
OR
If INR >8

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6
Q

target cells, other names and causes?

A

codocytes
leptocytes
Mexican hat cells

Thalassaemia
Iron deficiency
Splenectomy
Liver disease

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7
Q

Auer rods, Dx?

A

AML

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8
Q

Reed-Sternberg cells, Dx?

A

Hodgkins lymphoma

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9
Q

APL Rx + if pregnant?

A

Warfarin

If pregnant: Aspirin + LMWH

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10
Q

40-60yo
abdo pain
massive splenomegaly
WCC HIGH +/- low Hb/platelets

Dx and Rx

A

CML
(Ph chromosome t(9:22) in 80%)

Rx:
Chemo (imatinib)
SCT

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11
Q
65+yo
w/l
painless LNopathy
lymphocytosis
HSM

Dx and Rx

A

CLL - often asymptomatic

Rx: no curative option
Chlorambucil
Fludarabine
Monitor if no symptoms

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12
Q

Smear cells

A

CLL

Lymphocytes with ruptured cell membranes

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13
Q

Teardrop cells

A

Myelofibrosis

immature erythroid and myeloid cells also seen

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14
Q

Myelofibrosis important complication

A

10% risk transformation to AML

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15
Q

Mycoplasma complications

A
Cold agglutinin (IgM) haemolytic anaemia
Erythema nodosum
Erythema multiform
Mycocarditis
Meningo-encephalitis
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16
Q

Ileal resection + hypersegmented polymorphs

A

B12 deficiency

folate also causes hypersegmented polymorphs but is instead digested in duodenum and proximal jejunum

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17
Q

What is a paraproteinaemia and examples

A

Presence of immunoglobulins produced by single clone of plasma cells

eg. MM, primary amyloidosis, Waldenstroms macroglobulinaemia, heavy chain disease

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18
Q

Definitive Ix for Dx of Amyloidosis

A

Biopsy of affected tissue
Red congo stain
Red-green birefringence under polarised light microscopy

19
Q

SLE or Hep B - which can cause BM failure?

A

Hep B

20
Q

Treatment options for Hodgkins

A

Chemo + radio (no rituximab)

21
Q

Staging system for Lymphoma

A

Arbor staging:
Stage I: single lymphatic organ/extranodal site
Stage II: two or more regions same side of diaphragm
Stage III: LN involvement both sides of diaphragm
Stage IV: disseminated, with extra nodal site involvement eg. BM, liver

22
Q

Indication and Rx for treating thrombocythaemia

A

Platelets >1000

Rx:
Low dose Aspirin
Hydroxycarbamide if >60yo or previous thrombosis

23
Q

Definition of hyperviscosity syndrome

A

When viscosity of blood gets thick enough to impair microcirculation

eg. lethargy, confusion, GI or GU bleed, visual disturbance

24
Q

When to consider PCA in SC crisis

A

If had two doses strong opioid in 2 hours

NB. Pethidine c/I in SCD

25
Q

High-grade Non Hodgin’s Rx

A
CHOP:
Cyclophosphamide
Hydroxydaunorubacin
Vincristine
Prednisolone

+/- Rituximab

26
Q

Lead poisoning definitive features

A

Sideroblasts

High ferritin

27
Q

Curative treatment for CML

A

Allogeneic BM transplant
ie. first line in younger patients
(NB. Not imatinib)

28
Q

Patient APML
?cytogenetics finding
?Rx

A

t(15:17)

All trans-retinoic acid

29
Q

CLL - if to treat with one agent, which one?

A

Chlorambucil - reduces lymphocytes, LN size, improve function

30
Q

Transfusion related complication of Beta Thal Major, and Rx

A

Splenomegaly, causes increased uptake of RCs ie. become refractory to transfusion

Rx: splenomegaly

31
Q

Endo complications of beta thal, and Rx

A
  1. Pituitary dysfunction -> delayed puberty and development
    Rx: somatotrophin
  2. Osteoporosis
    Rx: bisphosphonates
32
Q

Heinz body

A

G6PD deficiency

33
Q

G6PD diagnostic test

A

Beutler fluorescent spot

34
Q

Blood tests suggesting parasitic infection

A

Eosinophilia

35
Q

Lymphopaenia causes

A
AIDS
Steroids
Chemo
Radio
Malignancy
Renal failure
Liver failure
Sarcoidosis
36
Q

Investigation for plasma viscosity

A

ESR

37
Q

Thalassaemia patient with vomiting, abdo pain, polydipsia, hyperglycaemia

A

Iron overload

deposition into pancreas, heart, liver, pituitary

38
Q

Causes and Rx of aplastic anaemia

A
Radio 
Chemo
AI
Drugs:
-chloramphenicol
-carbamazapine
-phenytoin
-quinine

Rx: antithymocyte globulin

39
Q

PCV Rx

A

Asymptomatic:
-Venesection

Immunosuppression/Cytotoxic IF:
Symptomatic +/- organomegaly

Splenectomy if symptoms severe, as last resort

40
Q

Asymptomatic with ET

A

Surveillance
Aspirin ONLY if evidence of vascular occlusion

(plasmapheresis used for urgent reduction of platelets)

41
Q

AI thrombocytopenia Rx to reduce risk of splenectomy

A

Rituximab
Only given if condition severe enough

(NB. No role for steroids of Igs)

42
Q

Aggressive NHL Rx

A
Options include: 
biologics
radio
chemo
BMT

If aggressive and young patient, eg. with b symptoms, best option for remission is BMT

43
Q

Common blood disease in Mediterranean?

A

Thalassaemia