Summary: Unknown Case 10

Mammography shows a 2 cm irregular, isodense mass with obscured margins. There are associated calcifications.

Ultrasound of the lesion shows an irregular, hypoechoic mass with spiculated margins and posterior acoustic shadowing.

She underwent ultrasound-guided needle core biopsy and lumpectomy.

Diagnosis: Mucinous (Colloid) Adenocarcinoma

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John Lewin, MD (