13.05.2022 Views

BREAST CYTOPATHOLOGY

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88 4. Primary Malignant Tumors

Figure 4.4. Ductal carcinoma. Cohesive fragments of ductal carcinoma

seen in the background of numerous macrophages and focal

necrosis (left). Follow-up biopsy revealed ductal carcinoma in situ,

comedo type (right). (Smear, Papanicolaou; histologic section,

hematoxylin and eosin.)

Figure 4.5. Ductal carcinoma. A large tissue fragment of malignant

cells with sharply punched out spaces. Follow-up biopsy revealed

ductal carcinoma in situ, cribriform type. (Smear, Diff-Quik.)

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