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Deep endometriosis of appendix

Last edited: 4/14/2026

Overview

Deep endometriosis involving the appendix is a rare but challenging condition characterized by the presence of endometrial tissue within the appendix, often leading to chronic pain and potential complications such as adhesions and bowel obstruction. 125

Diagnosis

  • Clinical Presentation: Chronic abdominal pain, often cyclical, and potential symptoms mimicking acute appendicitis.
  • Imaging: MRI is crucial for diagnosis, providing detailed visualization of endometriotic lesions.
  • Laparoscopy: Gold standard for definitive diagnosis and surgical planning; stereoscopic (3D) laparoscopy may enhance performance for novices but does not significantly impact expert outcomes. 15
  • Management

  • Surgical Intervention: Laparoscopic excision is the primary treatment, aiming for complete removal of endometriotic lesions to prevent recurrence.
  • Minimally Invasive Techniques: LESS (Laparoscopic-Endoscopic Single-Site) techniques are being explored but show no significant advantage over traditional laparoscopy for novices. 45
  • Postoperative Care: Focus on pain management and monitoring for complications such as adhesions and bowel dysfunction.
  • Special Populations

  • Pregnancy: Limited data; surgical intervention should be carefully considered to avoid complications affecting future pregnancies.
  • Pediatrics: Specific considerations for anatomical differences and growth potential; tailored surgical approaches may be necessary.
  • Elderly: Increased risk of comorbidities; individualized surgical risk assessment is crucial.
  • Comorbidities: Presence of other gynecological conditions or prior surgeries may complicate surgical planning and execution. 25
  • Key Recommendations

  • Utilize MRI for definitive preoperative diagnosis of deep endometriosis involving the appendix. (Evidence: Moderate) 5
  • Consider stereoscopic (3D) laparoscopy for novice surgeons to potentially improve task performance during complex procedures. (Evidence: Moderate) 1
  • Laparoscopic excision remains the first-line surgical treatment, with no strong evidence favoring LESS over traditional laparoscopy for novices. (Evidence: Moderate) 45
  • Tailor surgical approaches based on patient-specific factors including age, comorbidities, and reproductive plans. (Evidence: Expert opinion) 25
  • References

    1 Schoenthaler M, Schnell D, Wilhelm K, Schlager D, Adams F, Hein S et al.. Stereoscopic (3D) versus monoscopic (2D) laparoscopy: comparative study of performance using advanced HD optical systems in a surgical simulator model. World journal of urology 2016. link 2 Bjerrum F, Sorensen JL, Thinggaard J, Strandbygaard J, Konge L. Implementation of a Cross-specialty Training Program in Basic Laparoscopy. JSLS : Journal of the Society of Laparoendoscopic Surgeons 2015. link 3 Hatzinger M, Fesenko A, Sohn M. The first human laparoscopy and NOTES operation: Dimitrij Oscarovic Ott (1855-1929). Urologia internationalis 2014. link 4 Isgrò G, Micali S, Pini G, De Stefani S, Gelmini R, Franzoni C et al.. An objective comparison of novice trainees learning LESS versus traditional laparoscopy with the use of a pelvic trainer. Urologia 2013. link 5 Dauster B, Steinberg AP, Vassiliou MC, Bergman S, Stanbridge DD, Feldman LS et al.. Validity of the MISTELS simulator for laparoscopy training in urology. Journal of endourology 2005. link 6 Sharpe BA, MacHaidze Z, Ogan K. Randomized comparison of standard laparoscopic trainer to novel, at-home, low-cost, camera-less laparoscopic trainer. Urology 2005. link

    Original source

    1. [1]
      Stereoscopic (3D) versus monoscopic (2D) laparoscopy: comparative study of performance using advanced HD optical systems in a surgical simulator model.Schoenthaler M, Schnell D, Wilhelm K, Schlager D, Adams F, Hein S et al. World journal of urology (2016)
    2. [2]
      Implementation of a Cross-specialty Training Program in Basic Laparoscopy.Bjerrum F, Sorensen JL, Thinggaard J, Strandbygaard J, Konge L JSLS : Journal of the Society of Laparoendoscopic Surgeons (2015)
    3. [3]
      The first human laparoscopy and NOTES operation: Dimitrij Oscarovic Ott (1855-1929).Hatzinger M, Fesenko A, Sohn M Urologia internationalis (2014)
    4. [4]
      An objective comparison of novice trainees learning LESS versus traditional laparoscopy with the use of a pelvic trainer.Isgrò G, Micali S, Pini G, De Stefani S, Gelmini R, Franzoni C et al. Urologia (2013)
    5. [5]
      Validity of the MISTELS simulator for laparoscopy training in urology.Dauster B, Steinberg AP, Vassiliou MC, Bergman S, Stanbridge DD, Feldman LS et al. Journal of endourology (2005)
    6. [6]

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