Gingival swellings are common and most often associated with infection. A case due to the rare peripheral squamous odontogenic tumor is described. It is considered premature to regard peripheral odontogenic tumors as either hamartomatous or neoplastic, and close follow-up of all such lesions is necessary.
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http://dx.doi.org/10.1902/jop.1993.64.12.1250 | DOI Listing |
J Clin Exp Dent
December 2024
Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, Srinakharinwirot University.
Background: N6-methyladenosine (m6A), the most abundant internal RNA modification in mammals, plays a critical role in many forms of cancer. Methyltransferase-like 3 (METTL3) serves as the main catalytic subunit of the m6A writer and plays a role in the progression of head and neck squamous cell carcinoma. To date, the role of METTL3 in odontogenic lesions has never been investigated.
View Article and Find Full Text PDFMed Mol Morphol
January 2025
Faculty of Medicine, Department of Oral and Maxillofacial Surgery, Fukuoka University, Fukuoka, Japan.
To date, pagetoid spread-the proliferation of pagetoid cells in intraepidermal lesions, as observed in secondary extramammary Paget's disease-has not been reported in squamous epithelium derived from the extension of head and neck carcinomas. Herein, we report a case of pagetoid squamous cell proliferation associated with a primary intraosseous carcinoma (PIOC) arising in the periapical lesion of the maxilla, a finding not reported previously. A 60-year-old man presented with prostate adenocarcinoma and bilateral pubic bone, ilium bone, and sacral bone metastases.
View Article and Find Full Text PDFSci Prog
December 2024
Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Shandong Province, China.
Malignant transformation arising in the background of jaw cysts is a rare and often misdiagnosed condition, particularly when developing from residual root-derived cysts. We present a case of epithelial malignancy originating from a residual root-derived cyst in the mandible of a man around 50 years old. Histological evaluation of the sections revealed that the epithelial lining of the cystic lesion contained well-differentiated squamous cell carcinoma components.
View Article and Find Full Text PDFOral Radiol
November 2024
, Fukuoka, Japan.
Primary intraosseous carcinoma not otherwise specified (PIOC NOS) is a rare tumor assumed to arise from the epithelium, such as odontogenic cysts or benign tumors. Its clinical and imaging diagnoses are often challenging, especially in the early stages, as it mimics jaw cysts and benign tumors, and no specific findings have been identified. This report presents the case of a 66-year-old male patient with mandibular PIOC, highlighting the imaging findings over time.
View Article and Find Full Text PDFAppl Immunohistochem Mol Morphol
January 2025
Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, Srinakharinwirot University, Wattana, Bangkok, Thailand.
N6-methyladenosine (m6A) is the most abundant epigenetic RNA modification in eukaryotes and plays a role in various cancers in humans. This m6A modification is regulated by m6A writers, erasers, and readers. One of the m6A erasers is α-ketoglutarate-dependent dioxygenase homolog 5 (ALKBH5).
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