Oncology and Palliative Care Flashcards
Hartmann’s procedure
Indicated in patients with acute bowel obstruction or perforation
resection of the rectosigmoid colon with formation of a temporary end colostomy and anorectal stump
Genetic mutations linked to colorectal cancer
APC gene - leading to polyps - hence malignancy (adenocarcinomas)
Management of ER positive tumours
Treat with Tamoxifen (oestrogen receptor antagonist) if premenopausal or Anastrozole (aromatase inhibitor) if postmenopausal.
Management of HER2 positive tumours
Receive Trastuzumab (otherwise known as Herceptin) which is a monoclonal antibody against the extracellular domain of the HER2 receptor
What is the best investigation for obtaining histological information about this lesion?
core needle biopsy
Breast cancer referral 2 ww
Any patient aged 30 or over with an unexplained breast lump or aged 50 or over with unilateral nipple changes should be urgently referred (appointment within 2 weeks) for further assessment.
Serotonin syndrome
triad of serotonin syndrome: mental state changes, autonomic hyperactivity (diarrhoea and pupil dilatation) and tremor
- Commonly presents within the first couple of months of starting SSRI or drug interactions (tramadolol and sertraline)
Tumour lysis syndrome
Typically presents few days after chemotherapy (common for haematological malignancies esp non-Hodgkin lymphomas)
++Uric acid leading to AKI (anuria)
++ Phosphate leading to hypocalcaemia (tetany (cramps) and vomiting)
Mx
- fluid resuscitation 500 mL 0.9% sodium chloride