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Case Reports in Oncological Medicine
Volume 2013, Article ID 507504, 4 pages
Case Report

Cat Scratch Disease Presenting as Breast Cancer: A Report of an Unusual Case

1San Giuseppe Moscati Hospital of Avellino, General Surgery and Breast Unit, Italy
2Federico II Universitary Hospital of Naples, General Surgery, Italy
3Victor Babes University of Medicine and Pharmacy, Timisoara, Romania
4Santa Maria alle Scotte University Hospital of Siena, Hematology, Italy
5San Giuseppe Moscati Hospital of Avellino, Radiology, Italy
6San Giuseppe Moscati Hospital of Avellino, Pathology, Italy

Received 8 January 2013; Accepted 5 February 2013

Academic Editors: A. Goodman, P. F. Lenehan, and J. I. Mayordomo

Copyright © 2013 Carlo Iannace et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Benign lymphoreticulosis (cat scratch disease, CSD) may have a clinical course that varies from the most common lymphadenitis localized in the site of inoculation, preceded by the typical “primary lesion,” to a context of severe systemic involvement. Among these uncommon clinical aspects, there is mammarian granulomatous lymphadenitis which may appear as a mastitis or a solitary intraparenchymal mass, giving the impression of a breast tumor. In these cases, intensive clinical, instrumental, and laboratory investigations are necessary to exclude malignancy. Because of its rarity, in equivocal cases, it is reasonable to use surgical excision for accurate histological examination. We report a case of CSD of the breast in a 59-year-old woman, analyzing the clinical, histopathological, and instrumental appearance and also performing a literature review.