Myeloma and Lymphoma Flashcards

1
Q

damaged light chains in urine called what?

A

Bence Jones protein

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2
Q

what is MGUS?

A

monocloncal gammopathy of Undetermined significance

“has the para protein but nothing else”

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3
Q

who gets MGUS?

A

more likely elderly

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4
Q

why is MGUS important?

A

more likely to transform to myeloma

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5
Q

does everyone with myeloma have hx of MGUS?

A

Nope

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6
Q

what do you see in marrow with multiple myeloma?

A

marrow full of plasma cells?

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7
Q

diagnostic criteria for myeloma?

A

M-protein in serum/urine
plasmacytoma
end-organ damage: CRAB

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8
Q

what is CRAB?

A

hypercalcaemia
renal insufficiency
anaemia
lytic bone lesions

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9
Q

what is beta-2 microglobulin?

A

measures plasma cell burden

but renal impairment alone can raise it

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10
Q

why is multiple myeloma called multiple?

A

affects multiple bones with lytic lesions ‘pathological fracture’, long bones, spinal

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11
Q

if patient is ill and has high total protein and low albumin, what could it be?

A

hidden protein (paraprotein)

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12
Q

what kind of lesions on x-ray for multiple myeloma?

A

lytic lesion

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13
Q

what is the best single agent for treating multiple myeloma?

A

melphalan

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14
Q

what is immune paresis?

A

in multiple myeloma, you have a high IgG kappa or lambda, but a very low lgA, IgM

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15
Q

transplant in myeloma is what?

A

autologous bone marrow, to allow recovery from the strong chemo

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16
Q

thalidomide use these days?

A

multiple myeloma

17
Q

someone with paraprotein means myeloma?

A

Nope, probably MGUS, but watch out for CRAB features

18
Q

lymphoma by definition is?

A

malignant

19
Q

where can lymphoma arise?

A

liver
spleen
MALT
lymph nodes

20
Q

2 most common hodgkin

A

NODULAE SCLEROSIS

MIXED CELLULARITY

21
Q

classic hodgkin histology?

A

reid-sternberg cells

mixed infiltrate

22
Q

B Cell Non hodgkin lymphoms high clinical aggressiveness is?

A

Burkitt Lymphoma

23
Q

B Cell Non hodgkin lymphoma intermediate aggressiveness?

A

diffuse large B cell lymphoma

24
Q

B Cell Non hodgkin lymphomas low aggressiveness?

A

follicular lymphoma

25
Q

grade or stage in Non-hodgkin?

A

grade (‘nastiness’”

26
Q

what is stage?

A

WHERE it is.

27
Q

non hodgkin lymphoma is grade of stage?

A

grade

28
Q

Hodgkin lymphoma grade or stage more predictive?

A

stage

29
Q

B symptoms?

A

weight loss
fever
night sweats

30
Q

difference between non-hodgkins 1a and 1b stage?

A

1b has B-symptoms (do worse)

31
Q

important cut off in hodgkin lymphoma treatment?

A
up to 2a (get radiotherapy only)
after 2b (radio and chemo)
32
Q

what important biochem marker is elevated in non-hodgkin lymphoma?

A

LDH

lactate dehydrogenase

33
Q

non hodgkin grade or stage?

A

grade

34
Q

Burkitt lymphoma is what kind of lymphoma?

A

non hodgkin

35
Q

what is CHOP?

A

Cyclophosphamide
Hydroxydornorubicin (Adriamycin)
Oncovin (vincristine)
Prednisolone

Rituximab

36
Q

Rituximab targets what?

A

CD20 on B-cells

37
Q

light chain restriction is what?

A

restricted to kappa or lambda light chains