<unk>  is characterized by painful spasm of the<unk> <unk>  muscle. The genesis of the syndrome is unknown, however it has been suggested that inflammation of the arcus tendon is the possible cause of<unk> . Proctalgia fugax and<unk>  have not been found to be of psychosomatic origin, although stressful events may trigger attacks. Occurrence of<unk>  is associated with "significant elevations on the hypochondriasis, depression, and hysteria scales of the Minnesota Multiphasic Personality Inventory," which is also the case in general among chronic pain sufferers.
Levator ani syndrome
Summer penile syndrome
Urethral syndrome
Shone's syndrome
Descending perineum syndrome
Horner's syndrome
Median arcuate ligament syndrome
Obturator hernia