Cesarean scar niche

Case contributed by Karuga Gathimba
Diagnosis certain

Presentation

History of three previous Cesarian scars. Now presents with chronic cyclic pelvic pain associated with a dark PV discharge.

Patient Data

Age: 35 years
Gender: Female
ultrasound

There is a hypoechoic area noted in the uterine isthmus with discontinuation of the myometrium at the site of the previous Cesarean scar. It measures 1.4 x 1.0 x 0.5 cm.

Both ovaries are normal (not shown).

Case Discussion

The anechoic fluid collection representing blood in a Cesarean scar niche can be the cause of the dysfunctional uterine bleeding, which explains the vaginal spotting observed in this instance following a regular menstrual cycle.

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