Ameloblastoma is the most known of the epithelial odontogenic benign tumor. It is slow growing and locally aggressive in nature and most commonly seen in the posterior mandible. Various histopathological variants exist, among which acanthomatous type of ameloblastoma is one of the rarest types. Acanthomatous ameloblastoma is usually seen in older aged human population and most commonly reported in canine region of dogs in literature. Here, we report a rare case of acanthomatous ameloblastoma in a young male patient involving mandibular anterior region crossing the midline with recurrence over a period of 2 years of follow-up after surgical resection.
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http://dx.doi.org/10.4103/aam.aam_51_16 | DOI Listing |
J Vet Dent
January 2025
Department of Dentistry, Oral and Maxillo-facial Surgery, Eastcott Veterinary Referrals, Part of Linnaeus Group, Swindon, UK.
Canine acanthomatous ameloblastoma (CAA) is an invasive benign epithelial odontogenic tumour most commonly affecting the mandible of large breed dogs. To the author's knowledge, this report describes the first computer-aided design patient-specific implant (PSI) that has been placed for a critical sized bone defect in mandibular reconstruction of a dog in the UK. The aim was to restore mandibular stability using a regenerative approach combining a titanium locking plate and compression-resistant matrix infused with recombinant human bone morphogenetic protein-2 (rhBMP-2) to bridge the 85 mm mandibular defect created by a segmental mandibulectomy.
View Article and Find Full Text PDFJ Vet Med Sci
January 2025
Laboratory of Veterinary Pathology, School of Veterinary Medicine, Azabu University.
This report describes an atypical case of canine acanthomatous ameloblastoma (CAA) with mucinous glandular differentiation in a 12-year-old male Chihuahua with a right mandibular mass. Initially diagnosed as CAA by biopsy, computed tomography revealed bone lysis, prompting surgical excision. Histological examination showed lobular growth with two distinct neoplastic cell populations: typical CAA-like cells and a minor glandular structure population.
View Article and Find Full Text PDFIndian J Otolaryngol Head Neck Surg
December 2024
Department of Oral Pathology and Microbiology, King George Medical University, Lucknow, India.
Ameloblastoma, One of the most Common and Frequently Encountered Odontogenic Epithelial Derived Tumours of the oral Cavity, are Reported to be Represented by Variable Number of Clinical, Radiological and Histological Types. Also, this Lesion has been Observed to be most Aggressive and has a Tendency to Recur in most Circumstances. The Histological Variants of Solid type of Ameloblastoma have also been Observed to Occur either in Isolation or in Combination with One or the Other Lesions.
View Article and Find Full Text PDFTierarztl Prax Ausg K Kleintiere Heimtiere
October 2024
Small Animal Clinic, Surgery, Department of Veterinary Medicine, Free University of Berlin, Germany.
A 7-year-old French Bulldog presented with an acanthomatous ameloblastoma affecting approximately 30% of the right mandibular body. We utilized a patient-specific 3D-printed surgical template to perform lateral fenestration of the mandible and elevation of the inferior alveolar nerve (IAN), facilitating nerve preservation during subsequent segmental mandibulectomy. The resulting critical-sized bone defect was anatomically stabilized using a patient-specific polyetheretherketone (PEEK) bridging plate.
View Article and Find Full Text PDFFront Vet Sci
September 2024
Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States.
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