{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,15]],"date-time":"2025-11-15T04:01:21Z","timestamp":1763179281135,"version":"3.40.5"},"reference-count":12,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2021,4,27]],"date-time":"2021-04-27T00:00:00Z","timestamp":1619481600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Veterinary Dermatology"],"published-print":{"date-parts":[[2021,6]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>This article describes a case of multiple, recurrent, cutaneous inverted papillomas (CIPs) in a German shepherd dog, combined with a retrospective follow\u2010up assessment of eight cases.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A 3\u2010year\u2010old, black, female German shepherd dog presented with four rapidly growing, alopecic, domed, hyperpigmented, shiny nodules, compatible with CIP. The dog was managed for pruritus, associated with atopic dermatitis, with long\u2010term prednisolone therapy and this therapy was continued after the surgical excision. Twelve months after the initial presentation the dog was represented for two new CIP lesions, coinciding with an increased dosage of prednisolone during an allergic flare\u2010up period.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Histopathological evaluation was conducted on both the original and subsequent lesions from the case with recurrence. Eight cases of CIP, based on histopathological findings, were identified retrospectively from the authors\u2019 diagnostic pathology service over the previous two years. All nine cases had lesions that exhibited varying degrees of inverted epithelial hyperplasia, multiple, endophytic, papillary epidermal projections, a cup\u2010shaped base with central hyperkeratosis and active viral pathological findings (koilocytes). The submitting veterinarians were contacted and follow\u2010up regarding recurrence and concurrent medications was obtained.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions and clinical importance<\/jats:title><jats:p>CIP is uncommonly reported, typically as a single lesion with no previous reports of recurrence, although one group of dogs with severe combined immunodeficiency developed invasive malignancies. In seven of eight retrospective cases no recurrence of CIP was recorded. The authors speculate that the recurrence in the German shepherd dog may have been associated with chronic (although low\u2010dose) glucocorticoid administration.<\/jats:p><\/jats:sec>","DOI":"10.1111\/vde.12961","type":"journal-article","created":{"date-parts":[[2021,4,28]],"date-time":"2021-04-28T06:59:38Z","timestamp":1619593178000},"page":"268","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["A case series of canine cutaneous inverted papilloma with one case showing evidence of recurrence"],"prefix":"10.1111","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7886-0017","authenticated-orcid":false,"given":"Teresa M.S.A.","family":"Boehm","sequence":"first","affiliation":[{"name":"Centre for Clinical Veterinary Medicine LMU Munich Veterin\u00e4rstrasse 13 80539 Munich 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Stuttgart\u2010Plieningen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5835-5910","authenticated-orcid":false,"given":"Ralf S.","family":"Mueller","sequence":"additional","affiliation":[{"name":"Centre for Clinical Veterinary Medicine LMU Munich Veterin\u00e4rstrasse 13 80539 Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,4,27]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1080\/00480169.2010.67519"},{"key":"e_1_2_6_3_1","first-page":"E1","article-title":"Cutaneous viral dermatoses in dogs and cats","volume":"35","author":"Nagata M","year":"2013","journal-title":"Compend Contin Educ 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