Uterine isthmocele

Uterine isthmocele, also cesarean scar pouch, niche, cesarean scar defect, is pseudocyst that arises from cesarean section at uterine incision site.

General

• Clinical diagnosis.
• It may be assocatied with secondary infertility; thus, it may be surgically removed.
• Common complication of cesarean section; possibly, may be reduced by surgical technique.

Microscopic

Features:

• Smooth muscle with fibrosis/scar.
• +/-Chronic inflammation.

DDx:

• Endometriosis (external aspect of uterus).
• Adenomyosis.

See also

• Ditzels.