{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T08:28:43Z","timestamp":1787646523303,"version":"build-2736575974"},"reference-count":36,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2024,2,7]],"date-time":"2024-02-07T00:00:00Z","timestamp":1707264000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Int J Surg Pathol"],"published-print":{"date-parts":[[2024,10]]},"abstract":"<jats:p>Cat scratch disease rarely presents as a breast or axillary mass mimicking carcinoma both clinically and radiologically. Diagnosing breast\/axillary cat scratch disease is challenging due to its rarity and nonspecific findings. Here, we reported 2 patients with breast cat scratch disease and reviewed 14 patients with cat scratch disease involving breast\/axilla from the past 30 years. It mainly affects women (median age: 48), consistently presenting as axillary lymphadenopathy, and demonstrates ipsilateral breast mass in half of patients (50%, 8\/16). The breast mass was most commonly located in the upper outer quadrant (88%, 7\/8), indicating the possibility of disease extension from axillary adenopathy. Around half of patients (56%, 9\/16) reported cat exposure. Histologically, most patients (93%, 14\/15) presented as necrotizing granulomas, with characteristic stellate-shaped necrosis in 5 patients. Although pathologic differential diagnoses between cat scratch disease and cancer are straightforward, distinguishing cat scratch disease from other granulomatous mastitis poses diagnostic challenges. Silver stains should be included in the diagnostic workup panel when highly suspecting cat scratch disease clinically. However, they were only able to highlight the causative microorganism in 54% (7\/18) patients, and the gram stain was negative in all 12 tested patients. In contrast, polymerase chain reaction (PCR) for the causative microorganism was consistently positive in all 3 tested patients, while serologic test confirmed diagnosis in 85% (11\/13) patients; 1 patient with negative serology showed a positive PCR result. Therefore, upfront PCR tests with or without serologic study should be considered to confirm the diagnosis of cat scratch disease in a timely manner.<\/jats:p>","DOI":"10.1177\/10668969241228296","type":"journal-article","created":{"date-parts":[[2024,2,8]],"date-time":"2024-02-08T02:47:06Z","timestamp":1707360426000},"page":"1379-1388","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Cat Scratch Disease of the Breast\/Axilla: Recognition of a Rare Disease and Approaches for Differential Diagnosis"],"prefix":"10.1177","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0012-7426","authenticated-orcid":false,"given":"Jing","family":"Wang","sequence":"first","affiliation":[{"name":"University Hospitals Cleveland Medical Center"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mingfei","family":"Yan","sequence":"additional","affiliation":[{"name":"University Hospitals Cleveland Medical Center"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philip","family":"Bomeisl","sequence":"additional","affiliation":[{"name":"University Hospitals Cleveland Medical Center"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sarah Sree","family":"Cherian","sequence":"additional","affiliation":[{"name":"University Hospitals Cleveland Medical Center"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hannah","family":"Gilmore","sequence":"additional","affiliation":[{"name":"University Hospitals Cleveland Medical Center"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruba","family":"Khattab","sequence":"additional","affiliation":[{"name":"University Hospitals Cleveland Medical Center"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aparna","family":"Harbhajanka","sequence":"additional","affiliation":[{"name":"University Hospitals Cleveland Medical Center"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2024,2,7]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00404-003-0561-2"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1093\/ajcp\/88.6.718"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.prp.2007.07.004"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.15537\/1658-3175.3714"},{"key":"e_1_3_2_6_2","first-page":"133","article-title":"Silicone-induced granuloma of breast implant capsule (SIGBIC): Similarities and differences with anaplastic large cell lymphoma (ALCL) and their differential diagnosis","volume":"9","author":"Fleury EF","year":"2017","unstructured":"Fleury EF, Rego MM, Ramalho LC, et al. 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