CR: Too many lymphoid cells Flashcards

0
Q

Normal platelet levels?

A

150-400 ✖️ 10 power 9

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1
Q

What is normal Hb in women & men?

A
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2
Q

What do B cells secrete?

A

IgM at first

Change to Igg when they become memory cells

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3
Q

Main protein in serum?

A

Albumin

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4
Q

Lymphocytosis

A

Raised lymphocyte count

Lymphocytes= T & B cells

Above normal =
1-4.5 ✖️ 10 power 9

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5
Q

What is the main virus that causes lymphocytosis?

A

EBV

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6
Q

Where are defects in acute leukaemia?

A

Early B cell precursors

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7
Q

Where do malignancies occur in lymphoma/ chronic leukemia?

A

Mature cells

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8
Q

Myeloma

A

Malignancy of terminally differentiated B lymphocytes (these cells secrete Ig)

Malignancy if plasma cells

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9
Q

How can myelomas damage bones?

A

Ball if malignant plasma cells
Recruit osteoclasts that ‘eat bone’
Holes
Fractures - pain on weight baring regions

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10
Q

Other features of myeloma (end organ damage)

A

Renal impairment- myeloma kidney caused by Ig damage
Hypercalcaemia- bone lysis
Recurrent infection
Anaemia

‘CRAB’

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11
Q

MGUS

A

Paraprotein in urine

No end organ damage

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12
Q

Myeloma prognosis

A

In curable malignancy
Chemo
Bidphisphonates
Reduce infections/renal failure/ skeletal events/ pain

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13
Q

What is the communist malignancy in haematology?

A

Myeloma

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14
Q

Lymphomas

A

Malignant conditions of lymph system

Clonal proliferations of mature lymphoid cells

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15
Q

What age is Hodgkin’s lymphoma usually seen?

A

13 ish

60 ish

16
Q

What viruses can be seen in lymphoma?

A

EBV

HIV

17
Q

What is up regulated in Burkitt’s lymphoma?

A

Myc

18
Q

What cella are seen in Hodgkins?

A

Reed- Sterberg cells