The patient proceeded to ultrasound guided percutaneous core biopsy.
MACROSCOPIC DESCRIPTION: "Abdo Bx core": Five white and brown needle cores between 2 & 15mm.
MICROSCOPIC DESCRIPTION: The fragments consist mostly of vascular but mature fibrous tissue. Scattered amongst this tissue are proliferative endometrial glands with underlying endometrial stromal tissue. There is no evidence of malignancy.
DIAGNOSIS: "Abdo Bx core": Endometriosis.