Tumour Lysis Syndrome (TLS) Flashcards

1
Q

What can trigger Tumour Lysis syndrome (TLS)?

A
  • introduction of combination chemotherapy
  • OR can occur with steroid treatment alone.
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2
Q

What medications can be given prophylactically to avoid TLS

A

Allopurinol
Rasburicase

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3
Q

How does rasburicase work

A

metabolizes uric acid to allantoin

Allantoin = more water-soluble than uric acid

=> more easily excreted by the kidneys

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4
Q

Rasburicase and allopurinol should not be given together in the management of tumour lysis syndrome. TRUE/FALSE?

A

TRUE
- as this reduces the effect of rasburicase

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5
Q

What causes TLS

A

breakdown of the tumour cells and release of chemicals from the cell

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6
Q

What happens biochemically in TLS

A

=> high K+, PO4 and uric acid
=> low Ca2+

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7
Q
A
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