From time to time certain abnormal conditions of the ovaries have been reported in isolated and unconnected observations, and it is my purpose in this article to endeavor to explain these and to link them up into a connected whole.
There are four types of cases which, I think, may be properly treated under this head. Descriptions of the first three types may be found in the literature, and I have encountered them in my own practice. These four types may be thus briefly described:
TYPE 1.—THE VANISHING TUMOR
On examination of a patient, a cystic tumor, at the side of the uterus, of the size of a hen's egg, or larger, is found. The tumor suddenly breaks under the examining hand. The patient may have had some irregularity of menstruation and some pain. Pus tube or extra-uterine pregnancy may have been suspected and it is feared that rupture of