Uterine disorder characterized by endometrial glands and stroma being present within the myometrium resulting in hypertrophy of the surrounding myometrium
Two histopathological forms:
Diffuse – results in the uterus being uniformly enlarged and boggy
Focal (also known as an adenomyoma) – can appear similar to a fibroid but does not have a pseudocapsule
Pathogenesis is not well understood
Diffuse – results in the uterus being uniformly enlarged and boggy
Focal (also known as an adenomyoma) – can appear similar to a fibroid but does not have a pseudocapsule
Adenomyosis
Systemic Causes
Endometriosis
Cirrhosis
Molar pregnancy
Coagulopathy 
Ectopic pregnancy
Group A strep vaginitis 