Short answer · Medically reviewed summary · Last updated: 2026-05-08
Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) is a frequently overlooked cause of chronic abdominal wall pain characterized by a sharp, localized sensation often triggered by minimal movement or pressure. Patients with Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) typically experience pain that worsens with core muscle engagement and is often accompanied by a positive Carnett’s sign during physical examination. What are the primary symptoms of Anterior Cutaneous Nerve Entrapment Syndrome (ACNES)? The hallmark of Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) is localized abdominal wall pain that is usually confined to a small area, often smaller than 2cm in diameter.
1 people with Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) have shared their first-person experience on this question at DiseaseMaps.
Which are the symptoms of Anterior Cutaneous Nerve Entrapment Syndrome (ACNES)?
Symptoms of Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) reported by real patients, from the most common to the most limiting, plus a medically reviewed summary with sources.
Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) is a frequently overlooked cause of chronic abdominal wall pain characterized by a sharp, localized sensation often triggered by minimal movement or pressure. Patients with Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) typically experience pain that worsens with core muscle engagement and is often accompanied by a positive Carnett’s sign during physical examination.
What are the primary symptoms of Anterior Cutaneous Nerve Entrapment Syndrome (ACNES)?
The hallmark of Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) is localized abdominal wall pain that is usually confined to a small area, often smaller than 2cm in diameter. Unlike visceral pain, which is often dull or cramping, the pain associated with Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) is typically described as sharp, burning, or stabbing. Key clinical features include:
- Positive Carnett’s sign: Pain that increases when the patient tenses their abdominal muscles (e.g., performing a sit-up).
- Localized tenderness: Extreme sensitivity to touch at the exact site of the nerve entrapment.
- Sensory changes: Some patients report hyperesthesia (increased sensitivity) or hypoesthesia (numbness) in the affected skin area.
- Positional exacerbation: Pain often worsens with coughing, sneezing, or sudden changes in posture.
How does Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) affect daily life?
Because the pain is triggered by simple physical exertion, Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) significantly impacts quality of life. Patients often struggle with bending, lifting, or even wearing tight-fitting clothing, which can exert pressure on the entrapped nerve. While the severity varies, the chronic nature of the pain frequently leads to fatigue and distress for the 36 community members currently tracking their journey on DiseaseMaps.org.
When should you seek immediate medical attention?
While Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) is not typically life-threatening, it is a diagnosis of exclusion. You should seek immediate care if you experience "red flag" symptoms that suggest an internal organ issue rather than a nerve entrapment, such as fever, unexplained weight loss, blood in the stool, or severe, radiating back pain.
Next steps
- Consult a gastroenterologist or a surgeon experienced in abdominal wall pain to perform a targeted physical examination.
- Keep a symptom diary to track which specific movements or triggers worsen your pain.
- Connect with the 36 members of the DiseaseMaps community who are navigating similar experiences with Anterior Cutaneous Nerve Entrapment Syndrome (ACNES).
- Discuss diagnostic nerve blocks with your physician, which can serve as both a diagnostic tool and a temporary therapeutic measure.
Medical disclaimer: This content is for informational purposes only and does not constitute professional medical advice, diagnosis, or treatment; always seek the guidance of your physician with any questions regarding a medical condition.
References
- NIH Genetic and Rare Diseases Information Center (GARD): ACNES overview.
- Orphanet: Rare disease database entries for abdominal wall nerve entrapment.
- PubMed: Clinical studies on the efficacy of trigger point injections for ACNES.
- DiseaseMaps.org: Community-sourced data and patient experiences.
* the pain can be pointed out with one finger. Mostly on the right side of your belly button. (Some times also on the left side on a symmetric height)
* you have really heavy pains in your abdominal wall
* your belly/stomach sometimes bloats (that also makes you nauseous and don't want to eat)
* the pain is always there
* the pain is neuropathic pain (because a nerve is blocked in the abdominal wall)
* the pain can feel like a stabbing, irritating pain
Unilateral locoregional pain at the abdominal wall lasting for at least 1 month
The presence of a unilateral tender spot at the abdominal wall (a trigger point of <2 cm2 fingertip area of maximal tenderness, localized at the lateral border of the rectus abdominis)
A positive Carnett’s test
A positive skin pinch test and/or altered skin perception to light touch and/or cold at the area of the most intense pain
Normal laboratory findings with no indication of inflammation or infection, and in the absence of any surgical cause of pain
Negative imaging of the abdominal wall
Temporary positive relief in pain response of at least by 50% after injecting a local anesthetic (usually lidocaine) at the diagnostic trigger point.
Posted Aug 11, 2018 by Hiltje 3770
