Gastric cancer Flashcards
What is the sister Mary Joseph nodule?
It is a swollen lymph node in the umbilicus
What is the Blumers shelf?
A collection of tumour cells we feel rectally
What are the 4 regions of the stomach?
- Fundus
- Body
- Antrum
- Pyloric sphincter
- Cardia
What are the 4 types of gastric cancer?
- Adenocarcinoma-95%
- lymphoma-15%
- GIST-3%
- Carcinoid
What age is the peak incidence of gastric cancer?
6rth decade/70 years
What are the risk factors for gastric cancer?
- Nutritional
- high nitrate diet, smoked and pickled food, dirty drinking water, not enough fruits and vegetables - Medical:
- obesity
- smoking
- family history
- H.Pylori
- poor socio-economic background
- previous gastric surgery
How do we classify gastric CA according to Bormann’s classification?
1. type 1- polyploid or fungating type 2-ulcerating with raised edges type 3- ulcerating with infiltration into wall type 4-diffuse infiltration type 5-unclassified
What is linitus plastica?
It is when the entire stomach is lined with type 4 cells
What is the initial presentation of patients with gastric ca?
- early satiety
- abdominal pain
- weight loss
- fatigue to iron deficiency
- nausea+vomiting
What are the physical examination signs you would find?
- hepatomegaly and epigastric mass
- ascites
- sister mary jospeh nodule at the umbilcus
- Virchows lymph node at the supra-clavicular region
- Krukeneberg- ovarian mass
- Blumer’s shelf-palpable mass in pouch of douglas
What special investigations do we do here?
- Upper gastroscopy with biopsy
2. Bloods: FBC, Urea and electrolytes, creatinine, liver function tests, coagulation studies
What special investigations do we do here?
- Upper gastroscopy with biopsy
- Bloods: FBC, Urea and electrolytes, creatinine, liver function tests, coagulation studies
- ascitic tap for cytology
- CXR and liver ultrasound to stage
- CT scan is expensive but more effective-chest and abdomen
What is the treatment for gastric ca?
- surgical resection if there’s no metastases
2. palliation
What surgery do we do for distal ca?
sub total gastrectomy with billroth 1,2 or roux and y
What do we do for more proximal tumours?
Total gastrectomy with roux and y and ossible lymph node resection