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Pleomorphic lobular carcinoma of the breast. A case report
Nitin Gangane1, Anshu, V B Shivkumar
1Department of Pathology, Mahatma Gandhi Institute of Medical Sciences, Sevagram 442102, Wardha, Maharashtra, India. nitingangane@rediffmail.com
Background:
Pleomorphic lobular carcinoma of the breast is associated with aggressive behavior.
Case:
Fine needle aspiration cytology was performed on a breast lump in a 55-year-old woman. The aspirates showed highly pleomorphic, large cells in a dyscohesive pattern, with a tendency of few cells to aggregate in small groups. A diagnosis of ductal carcinoma was made on cytology. On histology, the paraffin sections showed features of pleomorphic lobular carcinoma of the breast.
Conclusion:
The cytologic features of pleomorphic lobular carcinoma overlap with those of infiltrating ductal carcinoma. It is very difficult to make a diagnosis of pleomorphic lobular carcinoma prospectively on cytology. However, if Indian file arrangement and cytoplasmic vacuolation are present, pleomorphic lobular carcinoma must at least be suggested for the differential diagnosis as it has different clinical implications.
