Richmond B. The appendix. Townsend CM Jr, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery: The Biological Basis of Modern Surgical Practice. 20th ed. Philadelphia: Elsevier; 2017. 1296-311.
Fitz RH. Perforating inflammation of the vermiform appendix; with special reference to its early diagnosis and treatment. Am J Med Sci. 1886. 92:321-346.
Lee SL, Walsh AJ, Ho HS. Computed tomography and ultrasonography do not improve and may delay the diagnosis and treatment of acute appendicitis. Arch Surg. 2001 May. 136 (5):556-62. [Medline].
Lewis FR, Holcroft JW, Boey J, Dunphy E. Appendicitis. A critical review of diagnosis and treatment in 1,000 cases. Arch Surg. 1975 May. 110 (5):677-84. [Medline].
Herrinton JL Jr. The vermiform appendix: its surgical history. Contemp Surg. 1991. 39:36-44.
Levine EA, Mowery N. Diseases of appendix. Mulholland MW, Lillemoe KD, Doherty GM, Upchurch GR Jr, Alam H, Pawlik TM, eds. Greenfield's Surgery: Scientific Principles and Practice. 6th ed. Philadelphia: Wolters Kluwer; 2017. Chap 71.
Carr NJ. The pathology of acute appendicitis. Ann Diagn Pathol. 2000 Feb. 4 (1):46-58. [Medline].
Körner H, Söndenaa K, Söreide JA, Andersen E, Nysted A, Lende TH, et al. Incidence of acute nonperforated and perforated appendicitis: age-specific and sex-specific analysis. World J Surg. 1997 Mar-Apr. 21 (3):313-7. [Medline].
Dai L, Shuai J. Laparoscopic versus open appendectomy in adults and children: A meta-analysis of randomized controlled trials. United European Gastroenterol J. 2017 Jun. 5 (4):542-553. [Medline]. [Full Text].
Corneille MG, Steigelman MB, Myers JG, Jundt J, Dent DL, Lopez PP, et al. Laparoscopic appendectomy is superior to open appendectomy in obese patients. Am J Surg. 2007 Dec. 194 (6):877-80; discussion 880-1. [Medline].
Masoomi H, Mills S, Dolich MO, Ketana N, Carmichael JC, Nguyen NT, et al. Comparison of outcomes of laparoscopic versus open appendectomy in adults: data from the Nationwide Inpatient Sample (NIS), 2006-2008. J Gastrointest Surg. 2011 Dec. 15 (12):2226-31. [Medline].
Frazee RC, Abernathy SW, Isbell CL, Isbell T, Regner JL, Smith RD. Outpatient Laparoscopic Appendectomy: Is It Time to End the Discussion?. J Am Coll Surg. 2016 Apr. 222 (4):473-7. [Medline].
Frazee R, Burlew CC, Regner J, McIntyre R, Peltz E, Cribari C, et al. Outpatient laparoscopic appendectomy can be successfully performed for uncomplicated appendicitis: A Southwestern Surgical Congress multicenter trial. Am J Surg. 2017 Dec. 214 (6):1007-1009. [Medline].
Yu CW, Juan LI, Wu MH, Shen CJ, Wu JY, Lee CC. Systematic review and meta-analysis of the diagnostic accuracy of procalcitonin, C-reactive protein and white blood cell count for suspected acute appendicitis. Br J Surg. 2013 Feb. 100 (3):322-9. [Medline].
Schellekens DH, Hulsewé KW, van Acker BA, van Bijnen AA, de Jaegere TM, Sastrowijoto SH, et al. Evaluation of the diagnostic accuracy of plasma markers for early diagnosis in patients suspected for acute appendicitis. Acad Emerg Med. 2013 Jul. 20 (7):703-10. [Medline].
Aygun A, Katipoglu B, Ïmamoglu M, Demir S, Yadigaroglu M, Tatli O, et al. Diagnostic Value of Plasma Pentraxin-3 in Acute Appendicitis. J Invest Surg. 2017 Oct 11. 1-6. [Medline].
Alvarado A. A practical score for the early diagnosis of acute appendicitis. Ann Emerg Med. 1986 May. 15 (5):557-64. [Medline].
[Guideline] Expert Panel on Gastrointestinal Imaging:., Garcia EM, Camacho MA, Karolyi DR, Kim DH, Cash BD, et al. ACR Appropriateness Criteria® Right Lower Quadrant Pain-Suspected Appendicitis. J Am Coll Radiol. 2018 Nov. 15 (11S):S373-S387. [Medline]. [Full Text].
Zakaria O, Sultan TA, Khalil TH, Wahba T. Role of clinical judgment and tissue harmonic imaging ultrasonography in diagnosis of paediatric acute appendicitis. World J Emerg Surg. 2011 Nov 16. 6 (1):39. [Medline].
Gaitini D. Imaging acute appendicitis: state of the art. J Clin Imaging Sci. 2011. 1:49. [Medline]. [Full Text].
Kessler N, Cyteval C, Gallix B, Lesnik A, Blayac PM, Pujol J, et al. Appendicitis: evaluation of sensitivity, specificity, and predictive values of US, Doppler US, and laboratory findings. Radiology. 2004 Feb. 230 (2):472-8. [Medline].
Franke C, Böhner H, Yang Q, Ohmann C, Röher HD. Ultrasonography for diagnosis of acute appendicitis: results of a prospective multicenter trial. Acute Abdominal Pain Study Group. World J Surg. 1999 Feb. 23 (2):141-6. [Medline].
Ford RD, Passinault WJ, Morse ME. Diagnostic ultrasound for suspected appendicitis: does the added cost produce a better outcome?. Am Surg. 1994 Nov. 60 (11):895-8. [Medline].
Douglas CD, Macpherson NE, Davidson PM, Gani JS. Randomised controlled trial of ultrasonography in diagnosis of acute appendicitis, incorporating the Alvarado score. BMJ. 2000 Oct 14. 321 (7266):919-22. [Medline].
Prada Arias M, Vázquez JL, Salgado Barreira A, Gómez Veiras J, García Saavedra S, Fernández Eire P, et al. [Appendicitis versus nonspecific acute abdominal pain: diagnostic accuracy of ultrasound]. Cir Pediatr. 2017 Jul 20. 30 (3):146-151. [Medline].
Jaremko JL, Crockett A, Rucker D, Magnus KG. Incidence and significance of inconclusive results in ultrasound for appendicitis in children and teenagers. Can Assoc Radiol J. 2011 Aug. 62 (3):197-202. [Medline].
Rao PM, Rhea JT, Novelline RA, Mostafavi AA, McCabe CJ. Effect of computed tomography of the appendix on treatment of patients and use of hospital resources. N Engl J Med. 1998 Jan 15. 338 (3):141-6. [Medline].
Horton MD, Counter SF, Florence MG, Hart MJ. A prospective trial of computed tomography and ultrasonography for diagnosing appendicitis in the atypical patient. Am J Surg. 2000 May. 179 (5):379-81. [Medline].
Malone AJ Jr, Wolf CR, Malmed AS, Melliere BF. Diagnosis of acute appendicitis: value of unenhanced CT. AJR Am J Roentgenol. 1993 Apr. 160 (4):763-6. [Medline].
Weyant MJ, Eachempati SR, Maluccio MA, Rivadeneira DE, Grobmyer SR, Hydo LJ, et al. Interpretation of computed tomography does not correlate with laboratory or pathologic findings in surgically confirmed acute appendicitis. Surgery. 2000 Aug. 128 (2):145-52. [Medline].
Grosskreutz S, Goff WB 2nd, Balsara Z, Burkhard TK. CT of the normal appendix. J Comput Assist Tomogr. 1991 Jul-Aug. 15 (4):575-7. [Medline].
Scatarige JC, DiSantis DJ, Allen HA 3rd, Miller M. CT demonstration of the appendix in asymptomatic adults. Gastrointest Radiol. 1989 Summer. 14 (3):271-3. [Medline].
Chae MS, Hong CK, Ha YR, Chae MK, Kim YS, Shin TY, et al. Can clinical scoring systems improve the diagnostic accuracy in patients with suspected adult appendicitis and equivocal preoperative computed tomography findings?. Clin Exp Emerg Med. 2017 Dec. 4 (4):214-221. [Medline]. [Full Text].
Karapolat B. Can RIPASA Scoring System Predict the Pathological Stage of Acute Appendicitis?. Emerg Med Int. 2019. 2019:8140839. [Medline]. [Full Text].
Rypins EB, Evans DG, Hinrichs W, Kipper SL. Tc-99m-HMPAO white blood cell scan for diagnosis of acute appendicitis in patients with equivocal clinical presentation. Ann Surg. 1997 Jul. 226 (1):58-65. [Medline].
Kaminski A, Liu IL, Applebaum H, Lee SL, Haigh PI. Routine interval appendectomy is not justified after initial nonoperative treatment of acute appendicitis. Arch Surg. 2005 Sep. 140 (9):897-901. [Medline].
Wilms IM, de Hoog DE, de Visser DC, Janzing HM. Appendectomy versus antibiotic treatment for acute appendicitis. Cochrane Database Syst Rev. 2011 Nov 9. 11:CD008359. [Medline].
Mason RJ, Moazzez A, Sohn H, Katkhouda N. Meta-analysis of randomized trials comparing antibiotic therapy with appendectomy for acute uncomplicated (no abscess or phlegmon) appendicitis. Surg Infect (Larchmt). 2012 Apr. 13 (2):74-84. [Medline].
Salminen P, Paajanen H, Rautio T, Nordström P, Aarnio M, Rantanen T, et al. Antibiotic Therapy vs Appendectomy for Treatment of Uncomplicated Acute Appendicitis: The APPAC Randomized Clinical Trial. JAMA. 2015 Jun 16. 313 (23):2340-8. [Medline].
Sceats LA, Ku S, Coughran A, Barnes B, Grimm E, Muffly M, et al. Operative Versus Nonoperative Management of Appendicitis: A Long-Term Cost Effectiveness Analysis. MDM Policy Pract. 2019 Jul-Dec. 4 (2):2381468319866448. [Medline]. [Full Text].
Kim SH, Park SJ, Park YY, Choi SI. Delayed Appendectomy Is Safe in Patients With Acute Nonperforated Appendicitis. Int Surg. 2015 Jun. 100 (6):1004-10. [Medline].
Prechal D, Post S, Pechlivanidou I, Ronellenfitsch U. Feasibility, acceptance, safety, and effectiveness of antibiotic therapy as alternative treatment approach to appendectomy in uncomplicated acute appendicitis. Int J Colorectal Dis. 2019 Sep 12. [Medline].
Goldin AB, Sawin RS, Garrison MM, Zerr DM, Christakis DA. Aminoglycoside-based triple-antibiotic therapy versus monotherapy for children with ruptured appendicitis. Pediatrics. 2007 May. 119 (5):905-11. [Medline].
Ho HS. Appendectomy. Souba WW, Fink MP, Jurkovich GJ, et al, eds. ACS Surgery: Principles and Practice. 6th ed. New York: WebMD; 2007. 894-902.
Bilik R, Burnweit C, Shandling B. Is abdominal cavity culture of any value in appendicitis?. Am J Surg. 1998 Apr. 175 (4):267-70. [Medline].
Cai YL, Xiong XZ, Wu SJ, Cheng Y, Lu J, Zhang J, et al. Single-incision laparoscopic appendectomy vs conventional laparoscopic appendectomy: systematic review and meta-analysis. World J Gastroenterol. 2013 Aug 21. 19 (31):5165-73. [Medline]. [Full Text].
Andersson RE, Petzold MG. Nonsurgical treatment of appendiceal abscess or phlegmon: a systematic review and meta-analysis. Ann Surg. 2007 Nov. 246 (5):741-8. [Medline].
Oliak D, Yamini D, Udani VM, Lewis RJ, Arnell T, Vargas H, et al. Initial nonoperative management for periappendiceal abscess. Dis Colon Rectum. 2001 Jul. 44 (7):936-41. [Medline].
Puapong D, Lee SL, Haigh PI, Kaminski A, Liu IL, Applebaum H. Routine interval appendectomy in children is not indicated. J Pediatr Surg. 2007 Sep. 42 (9):1500-3. [Medline].
Andersen BR, Kallehave FL, Andersen HK. Antibiotics versus placebo for prevention of postoperative infection after appendicectomy. Cochrane Database Syst Rev. 2005 Jul 20. CD001439. [Medline].
Hoelzer DJ, Zabel DD, Zern JT. Determining duration of antibiotic use in children with complicated appendicitis. Pediatr Infect Dis J. 1999 Nov. 18 (11):979-82. [Medline].
Lee SL, Islam S, Cassidy LD, Abdullah F, Arca MJ, 2010 American Pediatric Surgical Association Outcomes and Clinical Trials Committee. Antibiotics and appendicitis in the pediatric population: an American Pediatric Surgical Association Outcomes and Clinical Trials Committee systematic review. J Pediatr Surg. 2010 Nov. 45 (11):2181-5. [Medline].