Figure 1.
Pathologic features of pleomorphic lobular carcinoma in situ (PLCIS). A. Low power photomicrograph showing massive expansion of ducts and lobules by neoplastic cells, with associated comedo necrosis and calcifications (Original magnification 40×); B. High power view of PLCIS with apocrine cytology showing dyshesive cells with nuclear pleomorphism and abundant eosinophilic cytoplasm (400×); C. High power view of PLCIS with non-apocrine cytology (400×).