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[Spindle cell carcinoma of the breast with neuroendocrine differentiation. A rare entity simulating a benign tumor]
E Lefort1, O Groussard, J Bouquet de la Jolinière
1Service d'Anatomie et Cytologie Pathologiques, Hôpital Beaujon, Clichy.
Annales De Pathologie
|November 2, 1999
Abstract:
We report a case of spindle cell carcinoma of the breast with neuroendocrine and mucinous differentiation. Histological diagnosis can be difficult as macroscopic appearance and low grade cytologic features suggest a benign tumor. Differential diagnosis with a fusiform benign tumor of myoepithelial origin should be discussed. Immunohistochemistry is essential to confirm the diagnosis.