case_images: PMC10173821_01
case_images: Breast ultrasound. Hypoechoic, well defined, and encapsulated lesion. BIRADS category E4a
case_images: JMU-31-63-g001.jpg
case_images: PMC10173821_01_JMU-31-63-g001.jpg
case_images: F1
case_images: She performed a bilateral ultrasound (US) examination that demonstrated, as reported by the patient on the clinical mass, a 15 mm well-defined hypoechoic and encapsulated nodule with a small cystic areas inside, to the lower internal quadrant of the breast [Figure 1].
case_images: P63 (x10) - stained sections of specimen obtained with core-needle biopsy show multiple foci of high grade (G3) ductal carcinoma in situ
case_images: JMU-31-63-g002.jpg
case_images: PMC10173821_01_JMU-31-63-g002.jpg
case_images: F2
case_images: The lump fell under the category of Breast Imaging Reporting and Data System 4a: hence the patient subsequently had a US-guided core needle biopsy that demonstrated multiple foci of high-grade (G3) ductal carcinoma in situ arising on FA [Figure 2].
case_images: Ultrasound-guided 14G core needle biopsy of the mass
case_images: JMU-31-63-g003.jpg
case_images: PMC10173821_01_JMU-31-63-g003.jpg
case_images: F3
case_images: We performed three specimens with a 14G needle, no complications or bleeding were observed [Figure 3].
case_images: Hematoxylin and eosin (x20) - stained sections of specimen show an invasive breast cancer
case_images: JMU-31-63-g004.jpg
case_images: PMC10173821_01_JMU-31-63-g004.jpg
case_images: F4
case_images: IDC [Figure 4]. Infiltrating tumor cells showed high-grade nuclear atypia and a solid growth pattern with a necrotic area.
case_images: Hematoxylin and eosin (x20) - stained sections of specimen show lymph node metastases
case_images: JMU-31-63-g005.jpg
case_images: PMC10173821_01_JMU-31-63-g005.jpg
case_images: F5