International Journal of Colorectal Disease

, Volume 34, Issue 3, pp 527–531 | Cite as

Appendicitis as a manifestation of colon cancer: should we image the colon after appendicectomy in patients over the age of 40 years?

  • Imran MohamedEmail author
  • Sigmund Chan
  • Aneel Bhangu
  • Sharad Karandikar
Original Paper



Appendicitis can be secondary to caecal pathology (polyp or cancer). Increasing age is a risk factor for malignancy coexisting with appendicitis. There is an increased coexistence of cancer post-appendicectomy in patients aged 50–54 years. This study investigates whether post-appendicectomy patients aged over 40 years should receive further colorectal imaging and follow-up.


Retrospective data were collected for 1633 patients aged 40 years and over who underwent appendicectomy in a 10-year period (1st January 2004–31st December 2014). Data were analysed for patients with histological confirmation of acute appendicitis. Incidental appendicular tumours were excluded.


One thousand fifty-five (64%) patients had histological confirmation of acute appendicitis (median age 52 years; range 40–96 years). Six hundred three patients (57%) were aged 40–54 years; 452 patients (43%) were aged 55 years or over. Twenty-six (2.5%) patients were investigated post-appendicectomy. Three (11.5%) had caecal pathology: 2 adenocarcinoma, 1 benign caecal polyp. Ten (2.2%) patients aged 55 years or over had caecal pathology. Seven (1.6%) were diagnosed with caecal cancer. No patients below age 54 years were diagnosed with caecal cancer. The incidence of caecal cancer in the study population was 0.66% (40–54.9 years 0%; 55 years and over 1.6%). Patients aged 55 years or over were more likely to develop caecal pathology than patients aged 40–54 years (p = 0.006). The odds ratio of developing caecal pathology was 6.8 times greater (95% CI 1.49–31.29) in people aged 55 years and over.


Patients aged 55 years or over who have undergone appendicectomy should be offered colonoscopy to exclude coexistent caecal pathology.


Appendicitis Colon cancer Appendicectomy 



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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Birmingham Heartlands HospitalBirminghamUK

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