Invagination of the vermiform appendix. A report of two cases associated with endometriosis.

Two cases of invagination of the Vermiform appendix associated with endometriosis are presented. Classification, incidence, etiology, symptomatology, diagnosis and treatment are discussed. The literature is reviewed in brief, and it is concluded that the possibility of invagination of the Vermiform appendix should be considered in obsure abdominal cases with recurrent right lower quadrant pain.