WebDoctor Encyclopedia

Oncology

Gastrointestinal

Encyclopedia entries in Gastrointestinal.

All in this section Colorectum 2 GIST & neuroendocrine 2 Oesophagus 2 Small bowel & anus 2 Stomach 2

  1. Small bowel & anus

    Anal squamous cell carcinoma

    Anal squamous cell carcinoma is an HPV-related cancer of the anal canal. This entry covers the Nigro chemoradiation approach and staging.

    3,702 words

  2. GIST & neuroendocrine

    Appendiceal neoplasms

    Appendiceal neoplasms are rare tumours of the appendix, from LAMN to adenocarcinoma and goblet-cell adenocarcinoma. This entry covers rupture risk and CRS/HIPEC.

    4,845 words

  3. Colorectum

    Colorectal adenocarcinoma

    Colorectal adenocarcinoma is the usual form of colon and rectal cancer. This entry covers screening, RAS/BRAF/MSI, and stage-based treatment.

    5,420 words

  4. Stomach

    Gastric adenocarcinoma

    Gastric adenocarcinoma is the main form of stomach cancer. This entry covers Lauren types, H. pylori, HER2, and perioperative chemotherapy.

    4,349 words

  5. GIST & neuroendocrine

    GI neuroendocrine tumours

    GI neuroendocrine tumours arise from gut neuroendocrine cells. This entry covers grade, somatostatin analogues, and peptide receptor radionuclide therapy.

    4,130 words

  6. Stomach

    GIST

    GISTs are the most common mesenchymal tumours of the GI tract, usually KIT- or PDGFRA-driven. This entry covers imatinib and risk stratification.

    3,981 words

  7. Oesophagus

    Oesophageal adenocarcinoma

    Oesophageal adenocarcinoma arises in the lower oesophagus, usually after Barrett’s. This entry covers GORD, staging, and perioperative treatment.

    5,596 words

  8. Oesophagus

    Oesophageal squamous cell carcinoma

    Oesophageal squamous cell carcinoma arises from the squamous lining, often mid/upper oesophagus. This entry covers smoking, alcohol, and chemoradiation.

    4,984 words

  9. Colorectum

    Rectal cancer

    Rectal cancer is adenocarcinoma of the last 12–15 cm of the large bowel. This entry covers TME, MRI staging, and total neoadjuvant therapy.

    6,081 words

  10. Small bowel & anus

    Small-bowel adenocarcinoma

    Small-bowel adenocarcinoma is a rare small-intestine cancer. This entry covers Crohn, Lynch, coeliac disease, and treatment approaches.

    4,498 words