Cytological features of lobular carcinoma of breast: how important are the intracytoplasmic lumina?

Lobular carcinoma is the most common pitfall in the cytodiagnosis of breast lesions. Of the cytological features described intracytoplasmic lumina are stressed by many authors as an important diagnostic feature. The present study aims at evaluating the importance of intracytoplasmic lumina in the cytodiagnosis of lobular carcinoma along with other cytological features.