Background: Malignant perivascular epitheliod cell tumor (PEComa) is a very rare entity composed of distinctive perivascular epitheliod cells with variable immunoreactivity for melanocytic and ...

Fibroid tumors are composed of renegade muscle cells that come together to form a fibrous "knot" or "mass" within the uterus. Although all uterine fibroids are the same, they are categorized based ...

The cysts often get larger and become sore just before your period. They may seem to appear overnight. Cysts are rarely cancer (malignant). They may be caused by blocked breast glands. Cysts can feel ...