| One must exclude metastases from carcinoids of more typical sites of origin. |
| The current names used for this group of tumors are tumorlets, carcinoids, atypical carcinoids, large cell carcinomas with neuroendocrine features, and small cell carcinomas. |
| Sarcomas are the most common neoplasm, followed by carcinoids and adenocarcinomas. |
| Ileal carcinoids tend to grow through the bowel wall and invade the mesentery where they produce a desmoplastic reaction leading to fibrosis and small bowel obstruction. |
| Abdominal pain of an appendiceal type may be due to malignancy, carcinoids and oxyuriasis which appear to be omitted from the study. |
| Although appendiceal carcinoids are potentially lethal neoplasms, tumor eradication is usually feasible and effective. |
