That endometrium may be found at some distance from the uterus is generally accepted. The many explanations given have not been accepted as final, and for this reason additional observations are valuable. The seven cases reported in this paper add something to the present knowledge.
Our report includes cases of endometriosis (1) within and adjacent to an inguinal lymph node and in the transverse colon with malignant degeneration; (2) in the vermiform appendix; (3) in a laparotomy scar; (4) in the urinary bladder, and (5) of endometrial particles in the tubal lumen.
Case 1.—Endometriosis in an Inguinal Lymph Gland Associated with Endometriosis of the Groin and Endometrial Carcinoma of the Transverse Colon.H. A. B., aged 30, unmarried, never pregnant, gave a normal menstrual history, menstruation beginning at 16 years. When 20 year old, the patient was operated on for a right inguinal hernia. The hernia returned