{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T13:04:55Z","timestamp":1789563895235,"version":"build-2803163510"},"reference-count":17,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T00:00:00Z","timestamp":1785801600000},"content-version":"vor","delay-in-days":3,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T00:00:00Z","timestamp":1785542400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cancer Reports"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>\n                      Oral carcinoma cuniculatum (\n                      <jats:styled-content style=\"fixed-case\">OCC<\/jats:styled-content>\n                      ) is a rare subtype of squamous cell carcinoma (\n                      <jats:styled-content style=\"fixed-case\">SCC<\/jats:styled-content>\n                      ). It is characterized by a locally aggressive, burrowing lesion associated with an osteolytic defect yet lacks obvious cytological atypia. Although\n                      <jats:styled-content style=\"fixed-case\">OCC<\/jats:styled-content>\n                      has been described in the literature, its rarity, clinical unfamiliarity, and distinct burrowing pattern frequently result in misdiagnosis or underdiagnosis during incisional biopsy.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case Description<\/jats:title>\n                    <jats:p>This report describes a case of OCC arising on the residual alveolar ridge of a 71\u2010year\u2010old male. Microscopic similarities between conventional SCC and verrucous carcinoma obscure the subtle yet pathognomonic features of OCC. Notably, this case also demonstrates perineural invasion, a finding rarely associated with OCC.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      Oral carcinoma cuniculatum remains underexplored and overlooked. This report aims to contribute to the scientific literature by emphasizing diagnostic procedure, highlighting the rarity, and deceptive clinical and histopathological features of\n                      <jats:styled-content style=\"fixed-case\">OCC<\/jats:styled-content>\n                      . It underscores the importance of considering\n                      <jats:styled-content style=\"fixed-case\">OCC<\/jats:styled-content>\n                      in the differential diagnosis when repeated incisional biopsies fail to confirm malignancy in a clinically suspicious lesion.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/cnr2.70644","type":"journal-article","created":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T13:11:08Z","timestamp":1785849068000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Oral Carcinoma Cuniculatum: Diagnostic Challenges and Emerging Perspectives\u2014Case Report"],"prefix":"10.1002","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2335-0586","authenticated-orcid":false,"given":"Toniya","family":"Raut","sequence":"first","affiliation":[{"name":"Department of Oral Pathology College of Dental Surgery, B. P. Koirala Institute of Health Sciences  Dharan Nepal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4292-6074","authenticated-orcid":false,"given":"Neetu","family":"Jain","sequence":"additional","affiliation":[{"name":"Department of Oral Pathology College of Dental Surgery, B. P. Koirala Institute of Health Sciences  Dharan Nepal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3638-5849","authenticated-orcid":false,"given":"Shashi","family":"Keshwar","sequence":"additional","affiliation":[{"name":"Department of Oral Pathology College of Dental Surgery, B. P. 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