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Benign neoplasm of appendix

MedGen UID:
99221
•Concept ID:
C0496860
•
Neoplastic Process
Synonyms: Benign Appendix Neoplasm; benign appendix neoplasm; Benign Appendix Tumor; benign appendix tumor; benign appendix tumour; Benign Neoplasm of Appendix; benign neoplasm of appendix; Benign Neoplasm of the Appendix; benign neoplasm of the appendix; Benign tumor of appendix; Benign Tumor of Appendix; benign tumor of appendix; Benign Tumor of the Appendix; benign tumor of the appendix; benign tumour of appendix; benign tumour of the appendix; vermiform appendix benign neoplasm
SNOMED CT: Benign tumor of appendix (91981009); Benign neoplasm of appendix (91981009)
 
Monarch Initiative: MONDO:0021465

Definition

A neoplasm that arises from the appendix and is characterized by the absence of atypical or malignant cytological and architectural features, and absence of invasive features or metastatic potential. [from NCI]

Professional guidelines

PubMed

Customizing local and systemic therapies for women with early breast cancer: the St. Gallen International Consensus Guidelines for treatment of early breast cancer 2021.
Burstein HJ, Curigliano G, Thürlimann B, Weber WP, Poortmans P, Regan MM, Senn HJ, Winer EP, Gnant M; Panelists of the St Gallen Consensus Conference
Ann Oncol 2021 Oct;32(10):1216-1235. Epub 2021 Jul 6 doi: 10.1016/j.annonc.2021.06.023. PMID: 34242744Free PMC Article
Appendiceal Mucinous Neoplasms: Diagnosis and Management.
Shaib WL, Assi R, Shamseddine A, Alese OB, Staley C 3rd, Memis B, Adsay V, Bekaii-Saab T, El-Rayes BF
Oncologist 2017 Sep;22(9):1107-1116. Epub 2017 Jun 29 doi: 10.1634/theoncologist.2017-0081. PMID: 28663356Free PMC Article
New response evaluation criteria in solid tumours: revised RECIST guideline (version 1.1).
Eisenhauer EA, Therasse P, Bogaerts J, Schwartz LH, Sargent D, Ford R, Dancey J, Arbuck S, Gwyther S, Mooney M, Rubinstein L, Shankar L, Dodd L, Kaplan R, Lacombe D, Verweij J
Eur J Cancer 2009 Jan;45(2):228-47. doi: 10.1016/j.ejca.2008.10.026. PMID: 19097774

Recent clinical studies

Etiology

Low-grade appendiceal mucinous neoplasm encountered during risk-reducing salpingo-oophorectomy: A case of laparoscopic surgery.
Konnai K, Fujiwara H, Kitagawa M, Wakabayashi R, Onose R, Kato H
J Obstet Gynaecol Res 2023 Dec;49(12):2975-2978. Epub 2023 Sep 28 doi: 10.1111/jog.15802. PMID: 37771102

Diagnosis

Low-grade appendiceal mucinous neoplasm encountered during risk-reducing salpingo-oophorectomy: A case of laparoscopic surgery.
Konnai K, Fujiwara H, Kitagawa M, Wakabayashi R, Onose R, Kato H
J Obstet Gynaecol Res 2023 Dec;49(12):2975-2978. Epub 2023 Sep 28 doi: 10.1111/jog.15802. PMID: 37771102

Therapy

Neoplasms of the Appendix.
Köhler F, Matthes N, Rosenfeldt M, Kunzmann V, Germer CT, Wiegering A
Dtsch Arztebl Int 2023 Aug 7;120(31-32):519-525. doi: 10.3238/arztebl.m2023.0136. PMID: 37282595Free PMC Article
Appendiceal tumours and pseudomyxoma peritonei: Literature review with PSOGI/EURACAN clinical practice guidelines for diagnosis and treatment.
Govaerts K, Lurvink RJ, De Hingh IHJT, Van der Speeten K, Villeneuve L, Kusamura S, Kepenekian V, Deraco M, Glehen O, Moran BJ; PSOGI
Eur J Surg Oncol 2021 Jan;47(1):11-35. Epub 2020 Feb 28 doi: 10.1016/j.ejso.2020.02.012. PMID: 32199769
Pembrolizumab for the treatment of non-small-cell lung cancer.
Garon EB, Rizvi NA, Hui R, Leighl N, Balmanoukian AS, Eder JP, Patnaik A, Aggarwal C, Gubens M, Horn L, Carcereny E, Ahn MJ, Felip E, Lee JS, Hellmann MD, Hamid O, Goldman JW, Soria JC, Dolled-Filhart M, Rutledge RZ, Zhang J, Lunceford JK, Rangwala R, Lubiniecki GM, Roach C, Emancipator K, Gandhi L; KEYNOTE-001 Investigators
N Engl J Med 2015 May 21;372(21):2018-28. Epub 2015 Apr 19 doi: 10.1056/NEJMoa1501824. PMID: 25891174
Pembrolizumab versus Ipilimumab in Advanced Melanoma.
Robert C, Schachter J, Long GV, Arance A, Grob JJ, Mortier L, Daud A, Carlino MS, McNeil C, Lotem M, Larkin J, Lorigan P, Neyns B, Blank CU, Hamid O, Mateus C, Shapira-Frommer R, Kosh M, Zhou H, Ibrahim N, Ebbinghaus S, Ribas A; KEYNOTE-006 investigators
N Engl J Med 2015 Jun 25;372(26):2521-32. Epub 2015 Apr 19 doi: 10.1056/NEJMoa1503093. PMID: 25891173
New response evaluation criteria in solid tumours: revised RECIST guideline (version 1.1).
Eisenhauer EA, Therasse P, Bogaerts J, Schwartz LH, Sargent D, Ford R, Dancey J, Arbuck S, Gwyther S, Mooney M, Rubinstein L, Shankar L, Dodd L, Kaplan R, Lacombe D, Verweij J
Eur J Cancer 2009 Jan;45(2):228-47. doi: 10.1016/j.ejca.2008.10.026. PMID: 19097774

Prognosis

Neuroendocrine neoplasms of the appendix, colon and rectum.
Volante M, Grillo F, Massa F, Maletta F, Mastracci L, Campora M, Ferro J, Vanoli A, Papotti M
Pathologica 2021 Feb;113(1):19-27. doi: 10.32074/1591-951X-230. PMID: 33686307Free PMC Article
Guideline No. 408: Management of Gestational Trophoblastic Diseases.
Eiriksson L, Dean E, Sebastianelli A, Salvador S, Comeau R, Jang JH, Bouchard-Fortier G, Osborne R, Sauthier P
J Obstet Gynaecol Can 2021 Jan;43(1):91-105.e1. doi: 10.1016/j.jogc.2020.03.001. PMID: 33384141
What is New in the 2019 World Health Organization (WHO) Classification of Tumors of the Digestive System: Review of Selected Updates on Neuroendocrine Neoplasms, Appendiceal Tumors, and Molecular Testing.
Assarzadegan N, Montgomery E
Arch Pathol Lab Med 2021 Jun 1;145(6):664-677. doi: 10.5858/arpa.2019-0665-RA. PMID: 32233993Free PMC Article
Guideline No. 403: Initial Investigation and Management of Adnexal Masses.
Salvador S, Scott S, Glanc P, Eiriksson L, Jang JH, Sebastianelli A, Dean E
J Obstet Gynaecol Can 2020 Aug;42(8):1021-1029.e3. doi: 10.1016/j.jogc.2019.08.044. PMID: 32736853
Appendix Tumor Microenvironment.
Roncati L, Gasparri P, Gallo G, Bernardelli G, Zanelli G, Manenti A
Adv Exp Med Biol 2020;1226:87-95. doi: 10.1007/978-3-030-36214-0_7. PMID: 32030678

Clinical prediction guides

Guideline No. 408: Management of Gestational Trophoblastic Diseases.
Eiriksson L, Dean E, Sebastianelli A, Salvador S, Comeau R, Jang JH, Bouchard-Fortier G, Osborne R, Sauthier P
J Obstet Gynaecol Can 2021 Jan;43(1):91-105.e1. doi: 10.1016/j.jogc.2020.03.001. PMID: 33384141
What is New in the 2019 World Health Organization (WHO) Classification of Tumors of the Digestive System: Review of Selected Updates on Neuroendocrine Neoplasms, Appendiceal Tumors, and Molecular Testing.
Assarzadegan N, Montgomery E
Arch Pathol Lab Med 2021 Jun 1;145(6):664-677. doi: 10.5858/arpa.2019-0665-RA. PMID: 32233993Free PMC Article
Guideline No. 403: Initial Investigation and Management of Adnexal Masses.
Salvador S, Scott S, Glanc P, Eiriksson L, Jang JH, Sebastianelli A, Dean E
J Obstet Gynaecol Can 2020 Aug;42(8):1021-1029.e3. doi: 10.1016/j.jogc.2019.08.044. PMID: 32736853
Pembrolizumab for the treatment of non-small-cell lung cancer.
Garon EB, Rizvi NA, Hui R, Leighl N, Balmanoukian AS, Eder JP, Patnaik A, Aggarwal C, Gubens M, Horn L, Carcereny E, Ahn MJ, Felip E, Lee JS, Hellmann MD, Hamid O, Goldman JW, Soria JC, Dolled-Filhart M, Rutledge RZ, Zhang J, Lunceford JK, Rangwala R, Lubiniecki GM, Roach C, Emancipator K, Gandhi L; KEYNOTE-001 Investigators
N Engl J Med 2015 May 21;372(21):2018-28. Epub 2015 Apr 19 doi: 10.1056/NEJMoa1501824. PMID: 25891174
Personalizing the treatment of women with early breast cancer: highlights of the St Gallen International Expert Consensus on the Primary Therapy of Early Breast Cancer 2013.
Goldhirsch A, Winer EP, Coates AS, Gelber RD, Piccart-Gebhart M, Thürlimann B, Senn HJ; Panel members
Ann Oncol 2013 Sep;24(9):2206-23. Epub 2013 Aug 4 doi: 10.1093/annonc/mdt303. PMID: 23917950Free PMC Article

Recent systematic reviews

Ectopic insulinoma: a systematic review.
Guerrero-Pérez F, Vilarrasa N, Huánuco LV, Busquets J, Secanella L, Vercher-Conejero JL, Vidal N, Näf Cortés S, Villabona C
Rev Endocr Metab Disord 2023 Dec;24(6):1135-1146. Epub 2023 Jul 12 doi: 10.1007/s11154-023-09824-2. PMID: 37434098
Clinics and pathology of Krukenberg tumor: a systematic review and meta-analysis.
Lionetti R, DE Luca M, Raffone A, Travaglino A, Coppellotti A, Peltrini R, Bracale U, D'Ambra M, Insabato L, Zullo F, D'Armiento M, Corcione F
Minerva Obstet Gynecol 2022 Aug;74(4):356-363. Epub 2021 May 4 doi: 10.23736/S2724-606X.21.04797-7. PMID: 33944524
Systematic review and meta-analysis of the association between diverticulosis of the appendix and neoplasia.
Lim CSH, Cheah SY, Kwok AMF, Ravindran P, Chan DL
ANZ J Surg 2020 Oct;90(10):1871-1877. Epub 2020 Mar 24 doi: 10.1111/ans.15811. PMID: 32207873
Population-level impact and herd effects following the introduction of human papillomavirus vaccination programmes: updated systematic review and meta-analysis.
Drolet M, Bénard É, Pérez N, Brisson M; HPV Vaccination Impact Study Group
Lancet 2019 Aug 10;394(10197):497-509. Epub 2019 Jun 26 doi: 10.1016/S0140-6736(19)30298-3. PMID: 31255301Free PMC Article
Clinicopathological Features and Management of Appendiceal Mucoceles: A Systematic Review.
Morano WF, Gleeson EM, Sullivan SH, Padmanaban V, Mapow BL, Shewokis PA, Esquivel J, Bowne WB
Am Surg 2018 Feb 1;84(2):273-281. PMID: 29580358

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