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Lateral cutaneous nerve entrapment syndrome associated with appendicitis
Kazuma Kawahara1, Yuki Kataoka2,3,4, Takuya Miyagawa4
1Postgraduate Clinical Training Center, Min-iren Chuo Hospital, 2-1 Uzumasa Tsuchimoto-cho, Ukyo-ku, Kyoto-shi, Kyoto 616-8147, Japan.
Journal of Surgical Case Reports
|June 22, 2026
Summary
Lateral cutaneous nerve entrapment syndrome (LACNES) can mimic appendicitis. This case highlights that flank pain may indicate underlying intra-abdominal inflammation, such as appendicitis, requiring careful clinical evaluation.
Area of Science:
- General Surgery
- Abdominal Imaging
- Pain Management
Background:
- Localized flank pain can present diagnostic challenges.
- Lateral cutaneous nerve entrapment syndrome (LACNES) is a potential cause of flank pain.
- Appendicitis can present with atypical symptoms, including flank pain.
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