ACNES is a frequently missed cause of anterior abdominal pain, affecting 10–30% of patients with chronic abdominal wall pain. It typically involves nerve entrapment at different locations along the rectus muscle, such as the medial or lateral borders. Ultrasound plays a crucial role in diagnosing and managing ACNES effectively, as highlighted in two cases discussed here, emphasizing the diagnostic challenge and the utility of ultrasound in guiding treatment decisions.
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