title: A rare case of coexistence of carcinoid tumor of appendix vermicularis and ileal endometriosis.
abstract: BACKGROUND
  Carcinoid tumor is the most common tumor of appendix with overall good prognosis. Endometriosis is the implantation of endometrial glands and stroma outside the uterus.
  
  
  METHODS
  We here report the coexistence of carcinoid tumor of appendix and ileal endometriosis in a 37-year-old nulliparous woman who came to the emergency room with right lower abdominal pain mimicking acute appendicitis. The main clinical and laboratory findings included fever, leukocytosis and elevated ESR. With preoperative suspicion of acute appendicitis, laparatomy was performed and revealed apparently normal looking appendix, along with a nodule in the terminal ileum. Both the appendix and ileal nodule were removed. Histological examinations revealed carcinoid tumor of appendix and ileal endometriosis. The case was discharged 4 days after surgery with no pain and symptoms and remained symptom free for the 1 year period of follow up.
  
  
  CONCLUSIONS
  Many cases of carcinoid tumor of the appendix and ileal endometriosis are diagnosed incidentally. Overall prognosis of these conditions is very good. Surgical treatment seems to be the best intervention for these disorders.
authors.affiliation: Pathology Research Laboratory, and Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Hospital Research Centre, 351 Tache Avenue, Winnipeg, Manitoba, Canada. nazordegan@sbrc.ca
authors.forename: Nazila
authors.initials: N
authors.lastname: Azordegan
authors.forename: Adel
authors.initials: A
authors.lastname: Yazdankhah
authors.forename: Mohammed H
authors.initials: MH
authors.lastname: Moghadasian
mesh_terms: D000328:Adult; D001063:Appendiceal Neoplasms / Q000150:complications* / Q000473:pathology / Q000601:surgery; D002276:Carcinoid Tumor / Q000150:complications* / Q000473:pathology / Q000601:surgery; D003937:Diagnosis, Differential; D004715:Endometriosis / Q000150:complications* / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D007077:Ileal Diseases / Q000150:complications* / Q000473:pathology / Q000601:surgery; D011379:Prognosis