[Adenocarcinoid of the appendix: a case report and anatomo-pathological and clinico-therapeutic considerations]. 1998

R Fornaro, and G B Secco, and A Terrizzi, and R Boaretto, and R Fardelli, and M Canaletti, and E Baldi, and A Pastorino, and R Ferraris
Cattedra di Semeiotica Chirurgica I, Università degli Studi di Genova.

The Authors underline the most important pathological, clinical and therapeutic aspects of appendiceal adenocarcinoid. Appendiceal adenocarcinoid is quite a rare tumor, presently considered as a single entity; it differs from typical carcinoid of the appendix because of its well definite histology, its aggressive behaviour and its poorer prognosis. There are no precise prognostic and therapeutic criteria to direct the operative choice between appendectomy and hemicolectomy. In particular the tumor diameter is of no use since the tumor often present diffuse rather than nodular growth. According to most Authors appendectomy is not sufficient in the following cases: liver lymph-node or retroperitoneal metastases; cecal meso-appendiceal or peritoneal spreading; histological poorly differentiated tumors, with nuclear atypia and high mitotic count. Some Authors performed hemicolectomy and bilateral oophorectomy in all case with peritoneal involvement since the ovaries are a frequent site of metastases.

UI MeSH Term Description Entries
D008297 Male Males
D002276 Carcinoid Tumor A usually small, slow-growing neoplasm composed of islands of rounded, oxyphilic, or spindle-shaped cells of medium size, with moderately small vesicular nuclei, and covered by intact mucosa with a yellow cut surface. The tumor can occur anywhere in the gastrointestinal tract (and in the lungs and other sites); approximately 90% arise in the appendix. It is now established that these tumors are of neuroendocrine origin and derive from a primitive stem cell. (From Stedman, 25th ed & Holland et al., Cancer Medicine, 3d ed, p1182) Argentaffinoma,Carcinoid,Carcinoid, Goblet Cell,Argentaffinomas,Carcinoid Tumors,Carcinoids,Carcinoids, Goblet Cell,Goblet Cell Carcinoid,Goblet Cell Carcinoids,Tumor, Carcinoid,Tumors, Carcinoid
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D001062 Appendectomy Surgical removal of the vermiform appendix. (Dorland, 28th ed) Appendectomies
D001063 Appendiceal Neoplasms Tumors or cancer of the APPENDIX. Appendiceal Cancer,Cancer of Appendix,Appendix Cancer,Cancer of the Appendix,Cancer, Appendiceal,Neoplasms, Appendiceal,Appendiceal Neoplasm,Cancer, Appendix,Neoplasm, Appendiceal
D001065 Appendix A worm-like blind tube extension from the CECUM. Vermiform Appendix,Appendix, Vermiform

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