Fibrous dysplasia is a congenital, non-inherited, benign intramedullary bone lesion in which the normal bone marrow is replaced by abnormal fibro-osseous tissue. The disorder can be monostotic ...

Endometriosis, which involves tissue from the uterus, begins with a process known as retrograde menstruation, in which menstrual blood flows back up the fallopian tubes and into the pelvis.

Fibrous dysplasia (FD) is a benign medullary fibro-osseous anomaly that compromises the mechanical strength of bones, especially the long bones that bear strong mechanical stresses. It can lead to an ...