Gastric cancers Flashcards
1
Q
Treatment for gastric cancers
A
Curative treatment is radical surgery.
Europe uses perioperative chemotherapy as well
America uses perioperative chemoradiotherapy.
Early stages
- Endoscopic mucosal or submucosal dissection
Locally advanced
- Subtotal gastrectomy if it is a distal, intestinal type, otherwise a total gastrectomy for all other types and locations.
- Also needs a D2 lymphadenectomy, minimum 25 perigastric lymph nodes.
- May also give neoadjuvant chemotherapy and
If distant metastasis is present, no surgery.
Stomach is replaced with a jejunal loop.
2
Q
What immunotherapy is sometimes used for gastric cancers
A
Traztuzumab/Herceptin.
Gastric cancers need to be tested for HER-2 positivity.
Sometimes anti PDL1-R antibodies as well.
3
Q
What chemoradiotherapy is used for gastric cancers
A
5-FU and platinum agents, plus radiation.
Radiation therapy is also used as palliation for gastric tumor bleeding.