Oncology Flashcards
What is the philadelphia chromosome translocation?
What is it associated with?
What condition does it predict poor outcomes for?
t(9;22)
CML
ALL
Cisplatin mechanism
Prevents cross linking of DNA (remember like hair plaits)
First line treatment for CML?
Imatinib (tyrosine kinase inhibitor)
How to prevent haemorrhagic cystitis with cyclophosphamide?
MESNA (detoxifies acrolein, a urotoxic metabolite of cyclophosphamide that accumulates in the bladder)
Give an example of an aromatase inhibitor + when used?
Anastrazole or Letrozole - iused in Eostrogen receptor +ve breast cancer (if unable to use tamoxifen CI’ed)
OSTEOPOROSIS
hot flushes, insomnia, myalgia
What are the complications of tamoxifen + aromatase inhibotprs
tamoxifen: VTE + endometrial cancer
aromatase inhibitors: OP
What are some side effects of tamoxifen?
Abnromal vaginal bleeding, amenorrhoea, hot flushes
Increased and decreased cancer risks in using COCP?
Increased: cervical + breast
Decreased: ovarian + endometrial
What CTx drug is associated with hypomagnasaemia?
Cisplatin
What vitamin reduces risk of colon cancer?
Vitamin D
Treatment of multiple myeloma 1st line? If contraindicated or not tolerated what do you use?
THALIDOMIDE
Bortezomib
poor prognosis factors in ALL
Older
Male
WCC >50
(In children: pholaelphia chromosome is poor prognosis – > however in Ph +ve CML it is a better prognosis)
What is the most useful marker of prognosis in myeloma?
b2-microglobulin