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Appendix Cancer Tumours
Related Subjects: Small Bowel Obstruction |Colonic (Large bowel) Obstruction |Caecal Volvulus |Small Bowel Ischemia |Hartmann's procedure |Sigmoid Volvulus |Acute Colonic Pseudo-obstruction | Metabolic acidosis | Lactic acidosis |Rectal Prolapse |Anal Cancer |Anal Fissure |Pilonidal Abscess (sinus) |Haemorrhoids (Piles) |Hartmann's procedure
⚠️ For appendiceal carcinoids, right hemicolectomy is recommended if the tumour is >2 cm, or if smaller but with mesoappendiceal invasion. ✅ Most patients have localized disease and the prognosis is excellent.
📖 About
- Appendix cancers are very rare tumours of the vermiform appendix.
🦠 Malignant Tumours
- Adenocarcinoma
- Carcinoid (most common primary appendix tumour)
- Lymphoma
- Metastases (e.g., from ovary, colon)
🌱 Benign Tumours
- Retention cyst
- Villous hyperplasia
- Cystadenoma
- Cystadenocarcinoma
🩺 Clinical Features
- May present like acute appendicitis
- Abdominal pain, distension, or local invasion
- Can cause ascites, weight loss
- Often asymptomatic and found incidentally
🔍 Investigations
- Bloods: FBC, U&E, LFTs, CRP
- Tumour markers: CEA, CA 19-9, CA 125
- CT abdomen and staging scans
💊 Management
- Discuss in oncology & surgical MDT
- Many cases are only diagnosed after an initial appendicectomy
- Right hemicolectomy if:
- Carcinoid tumour >2 cm
- Smaller tumour with mesoappendiceal invasion
- Chemotherapy may have a role in adenocarcinoma or advanced disease
- Overall prognosis is excellent for localized disease 🎉
📚 References
| The content on this website is provided for educational and informational purposes only to support exam preparation (e.g., MLA, MRCP, USMLE) and learning. This is NOT medical advice, diagnosis, treatment, or professional guidance. It does not replace consultation with a qualified healthcare professional, official guidelines (e.g., NICE, GMC, BNF), or supervised clinical practice. Always verify information with current, authoritative sources. Makindo and its contributors accept no liability for any reliance on this content, including errors, omissions, or any resulting harm, loss, or consequences. By using this site, you agree to these terms. |
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