The<unk>  (ACNES) consists of pain caused by<unk>  of the<unk>  segmental<unk> s within the rectus abdominis muscle.  Intercostal neuralgia appears to be a restricted form of ACNES.
According to one clinician, "<unk>  (ACNES) may sound like an esoteric condition rarely seen by clinicians but is a common condition. When a patient is seen for<unk>  pain without other clinically significant symptoms, ACNES should be high on the list of likely diagnoses." [From Applegate 2002---see reference below.]
Abdominal cutaneous nerve entrapment syndrome
Solitary rectal ulcer syndrome
Descending perineum syndrome
Pelvic myoneuropathy
Post-vasectomy pain syndrome
Shone's syndrome
Bladder diverticulum
Retroperitoneal abscess