Carcinoma cuniculatum mimicking leukoplakia of the mandibular gingiva

Jun Suzuki, Sho Hashimoto, Ken ichi Watanabe, Kaoru Takahashi, Hajime Usubuchi, Hiroyoshi Suzuki

研究成果: Article

15 引用 (Scopus)

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Carcinoma cuniculatum (CC) is a rare variant of low-grade squamous cell carcinoma (SCC), and occurrence in the oral cavity is quite unusual. CC has a papillomatous keratinized surface like verrucous carcinoma, but CC has a propensity for aggressive local invasion, especially into the bone. Therefore, CC can be quite difficult to remove surgically. A 68-year-old man presented with a case of CC mimicking verrucous leukoplakia in the mandibular gingiva. Repeated biopsies showed no malignancy. Local resection was performed, and histological examination revealed the presence of well-differentiated SCC. Additional hemi-mandibulectomy was performed and the final histological diagnosis was CC. Local recurrence was detected at the 14-month follow-up examination. Chemotherapy with docetaxel was not effective, and he died of aspiration pneumonia. CC of the oral cavity is a rare entity and the diagnosis is hard to establish. Misdiagnosis could result in inadequate removal and local recurrence. Complete resection with a safety margin is essential because of the tendency for local invasion.

元の言語English
ページ(範囲)321-325
ページ数5
ジャーナルAuris Nasus Larynx
39
発行部数3
DOI
出版物ステータスPublished - 2012 6

ASJC Scopus subject areas

  • Surgery
  • Otorhinolaryngology

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