8 doctors weighed in:

What is the difference between adenomyosis and endometriosis?

8 doctors weighed in
Dr. John Lipman
Radiology
3 doctors agree

In brief: Same process

The uterus is made up of a thin lining and a much thicker muscular portion.
The lining is called the endometrium. When these cells are found outside the uterus, it is endometriosis. When these lining cells are located deep to the lining but still inside the uterus that is adenomyosis. Simply put, adenomyosis is endometriosis that involves the uterus (below the lining).

In brief: Same process

The uterus is made up of a thin lining and a much thicker muscular portion.
The lining is called the endometrium. When these cells are found outside the uterus, it is endometriosis. When these lining cells are located deep to the lining but still inside the uterus that is adenomyosis. Simply put, adenomyosis is endometriosis that involves the uterus (below the lining).
Dr. John Lipman
Dr. John Lipman
Thank
1 comment
Dr. Nicholas Fogelson
I'm not sure we know that what Dr Lipman said is actually correct, but his answer is functionally correct. Adenomyosis is endometrial glands in the wall of the uterus. Endometriosis is endometrial glands outside of the uterus. Current theory would suggest that endometriosis is not deposited outside of the uterus during life, but rather occurs there de novo through metaplasia (changing of cell types) or laid down during embryogenesis. Adenomyosis, on the other hand, seems to be laid down in the process of placental implantation and pregnancy.
Dr. Hugo Ribot
Obstetrics & Gynecology
1 doctor agrees

In brief: Location of lesions

Endometriosis is the presence of tissue that looks like the endometrium (the lining of the uterine cavity) outside the uterus, in the pelvic or abdominal cavities.
Adenomyosis is when implants of endometrial tissue are found within the myometrium which is the muscular walls that make up the corpus, or body, of the uterus itself. Adenomyosis often causes heavy periods, while endometriosis doesn't.

In brief: Location of lesions

Endometriosis is the presence of tissue that looks like the endometrium (the lining of the uterine cavity) outside the uterus, in the pelvic or abdominal cavities.
Adenomyosis is when implants of endometrial tissue are found within the myometrium which is the muscular walls that make up the corpus, or body, of the uterus itself. Adenomyosis often causes heavy periods, while endometriosis doesn't.
Dr. Hugo Ribot
Dr. Hugo Ribot
Thank
Dr. John Jarrett
Fertility Medicine
1 doctor agrees

In brief: Location

Endometriosis is the presence of the cells that line the inside of the uterus in areas outside the uterus, such as the ovaries, the lining of the abdominal cavity called the peritoneum, or pretty much anywhere else.
Adenomyosis is the presence of the lining cells in the muscle of the uterus itself.

In brief: Location

Endometriosis is the presence of the cells that line the inside of the uterus in areas outside the uterus, such as the ovaries, the lining of the abdominal cavity called the peritoneum, or pretty much anywhere else.
Adenomyosis is the presence of the lining cells in the muscle of the uterus itself.
Dr. John Jarrett
Dr. John Jarrett
Thank
Read more answers from doctors