13.05.2022 Views

BREAST CYTOPATHOLOGY

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100 4. Primary Malignant Tumors

Figure 4.20. Lobular carcinoma. A large lobular fragment tightly

packed with small, uniform, hyperchromatic nuclei. Numerous

single carcinoma cells are evident in the smear background. A

follow-up biopsy procedure revealed in situ and infiltrating lobular

carcinoma. (Smear, Papanicolaou.)

Figure 4.21. Lobular carcinoma. A diffusely dispersed population

of small and uniform malignant cells with eccentrically placed nuclei

and well-defined cytoplasmic vacuoles containing targetoid inclusions.

(Smear, Papanicolaou.)

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