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BREAST CYTOPATHOLOGY

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Ductal Carcinoma 89

Figure 4.6. Ductal carcinoma. Malignant cells seen in a large cohesive

fragment with well-formed luminal spaces containing metachromatic

material. One of the diagnostic considerations would be an

adenoid cystic carcinoma. Follow-up biopsy revealed ductal carcinoma

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

Figure 4.7. Ductal carcinoma in situ, cribriform type. Histologic

section illustrating eosinophilic amorphous secretions within the

cribriform spaces, the likely source of the metachromatic structures

seen in Figure 4.6. (Histologic section, hematoxylin and eosin.)

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