Spontaneous posterior rectus sheath hernia: a new clinical entity?

Hernias are often associated with congenital defects or incisional breakdown. We present a rare case of a spontaneous posterior rectus sheath herniation with associated incarcerated small bowel in a woman with no previous abdominal surgery. This is accompanied with a review of the literature and the suggestion that spontaneous posterior rectus sheath herniation is possibly a separate clinical entity.