Lab findings Flashcards

1
Q

Reed sternberg cells

A

NHL

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2
Q

Auer rods

A

APML

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3
Q

Blast cells

A

AML

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4
Q

Starry sky

A

Burkitt Lymphoma

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5
Q

HbH inclusions

A

Beta4 quartemers

HbH disease in Alpha Thal 3 gene deletion (NTDT)

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6
Q

Spurr cell/Acanthocyte

A

Post spleenectomy

Liver dis

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7
Q

Spurr cell/Acanthocyte RBC

A

Post spleenectomy

Liver dis

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8
Q

Burr cell/Echinocyte RBC

A

Artifact

Ureaemia

Liver dis

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9
Q

Schistocyte RBC

A

MAHA

valve damaged

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10
Q

Bite cell RBC

A

G6PD

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11
Q

Spherocyte RBC

A

AIHA

Hereditary spherocytosis

  • AbN RBC mmb (skeleton) 2⁰ protein mutation
  • Important proteins ↓ : Ankyrin, Band 3, Spectrin, Protein 4.2 (six60)
  • AD inheritance / variable
  • Detect by reduction in EMA fluorescence
  • Spleenectomy may be needed if symptomatic anaemia
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12
Q

Target Cell RBC

A
  • Thalasseamia
  • Haemaglobulinopathies
  • Post spleenectomy
  • Liver Dis
  • Artifact
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13
Q

Tear drop RBC

A

Myelofibrosis

underlying marrow problem/infiltrate

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14
Q

RBC agglutinate

A
  • Cold AIHA
  • Paroxysmal cold heamoglobinaemia
  • IgM assoc Lymphoma
  • MM
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15
Q

Rouleaux RBC

A
  • MM
  • Lymphoma
  • Liver
  • Chronic inflamm
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16
Q

Smear cells

A

CLL

17
Q

Howell-Joly bodies

A

Speen - damaged/absent

Also in MDS, sickle cell, haemolytic anaemia, amyloidosis, megaloblastic

18
Q

B cell markers

A

B19-23

Surface Ig

Primarily CD19 and CD20

19
Q

T cell markers

A

CD 2-8

  • CD3 - primary T cells
  • CD4 - T h
  • CD8 - T cyto (but also 30% of NK cells)
  • CD45RA - naive
  • CD45RO - memory
20
Q

Stem cell markers

A

CD34, CD45, HLA-Dr

21
Q

NK cells

A
  • CD16?
  • CD56
  • CD57