Colorectal Cancer Flashcards
What are the symptoms of colorectal cancer
- Change in bowel habit (usually to more loose and frequent stools)
- Weight loss
- PR bleeding
- Tenesmus (feeling of full rectum even after opening bowels)
- Iron Deficiency Anaemia (microcytic anaemia with low ferritin)
- Bowel obstruction
what is tenesmus
feeling of full rectum even after opening bowels
Why does IDA on its own without any other explanation indicate a two week wait cancer referral
need colonoscopy and OGD to look for GI malignancy as bowel cancer can cause microscopic bleeding that eventually leads to IDA
What is the gold standard investigation for bowel caner
colonoscopy
What investigation can you suggest is the patient is less fit for colonoscopy
CT colonography
What antigen is a tumour marker blood test for bowel cancer that is useful in predicting relapse of previously treated bowel cancer
Carcinomembryonic antigen (CEA)
What is the name of the classification system used to stage bowel cancer
Dukes classification
What does Dukes A mean
cancer is confined to mucosa and part of the muscle of the bowel wall
What does Dukes B mean
cancer is extending through the muscle of the bowel wall
what does Dukes C mean
there is lymph node involvement
what does Dukes D mean
that it is a metastatic disease
which operation out of the following are used to remove tumours of the caecum, ascending and proximal transverse colon; Right hemicolectomy Left hemicolectomy Sigmoid colectomy Anterior resection Abdominoperineal resection (APR)
Right Hemicolectomy
which operation out of the following are used to remove tumours of the distal transverse and descending colon; Right hemicolectomy Left hemicolectomy Sigmoid colectomy Anterior resection Abdominoperineal resection (APR)
Left hemicolectomy
which operation out of the following are used to remove tumours of the sigmoid colon Right hemicolectomy Left hemicolectomy Sigmoid colectomy Anterior resection Abdominoperineal resection (APR)
sigmoid colectomy
which operation out of the following are used to remove tumours of the low sigmoid colon or higher rectum Right hemicolectomy Left hemicolectomy Sigmoid colectomy Anterior resection Abdominoperineal resection (APR)
anterior resection