Spontaneous complex odontoma in a Sprague-Dawley rat

Complex odontoma from a female Sprague-Dawley rat is described histopathologically. Necropsy revealed a hard (bony), white mass (3.0 x 3.0 x 2.1 cm) on the left mandible. Microscopically, the mass consisted of islands or nests of epithelial and mesen-chymal elements that formed abortive tooth struct...

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Veröffentlicht in:	Journal of Veterinary Medical Science 2002, Vol.64(3), pp.289-291
Hauptverfasser:	Jang, D.D. (Korea Food and Drug Administration, Seoul (Korea R.)), Kim, C.K, Ahn, B, Kang, J.S, Nam, K.T, Kim D.J, Han, D.U, Jung, K, Chung, H.K, Ha, S.K, Choi, C, Cho, W.S, Kim, J, Chae, C
Format:	Artikel
Sprache:	eng
Schlagworte:	Ameloblasts Animals complex odontoma Dental enamel Dental pulp Dentin Female Histocytochemistry - veterinary HYPODERMA Mandible Mandibular Neoplasms - pathology Mandibular Neoplasms - veterinary Mesenchyme Necropsy Nests Odontoblasts odontogenic tumor Odontoma - pathology Odontoma - veterinary OEDEMA RATS Rats, Sprague-Dawley Rodents Sprague-Dawley rat Teeth TOOTH DISEASES
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Beschreibung
Zusammenfassung:	Complex odontoma from a female Sprague-Dawley rat is described histopathologically. Necropsy revealed a hard (bony), white mass (3.0 x 3.0 x 2.1 cm) on the left mandible. Microscopically, the mass consisted of islands or nests of epithelial and mesen-chymal elements that formed abortive tooth structures. In other areas, tooth formation consisted of a pulp cavity lined by layers of odontoblasts, dentin, enamel, and ameloblasts. Concerning all features of normal tooth formation which was differentiated and mineralized yet completely disorganized, the diagnosis of complex odontoma was recommended.
ISSN:	0916-7250 1347-7439
DOI:	10.1292/jvms.64.289