Ganglioneuroblastoma in Yemenite chameleon (Chamaeleo calyptratus): the first recorded case of a tumor of neuroectodermal histogenesis in reptiles

Nerve tissue tumors are rarely encountered in reptiles and mainly represented by some documented cases of malignant peripheral nerve sheath tumor (MPNST). The paper is the first to describe a tumor mimicking MPNST by some ultrastructural features of tumor cells; however, significantly differing in t...

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Bibliographic Details
Published inArkhiv patologii Vol. 68; no. 4; p. 45
Main Authors Vasil'ev, D B, Solov'ev, Iu N
Format Journal Article
LanguageRussian
Published Russia (Federation) 01.07.2006
Subjects
Animals
Ganglioneuroblastoma - ultrastructure
Ganglioneuroblastoma - veterinary
Lizards
Male
Nerve Sheath Neoplasms - ultrastructure
Nerve Sheath Neoplasms - veterinary
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Summary:Nerve tissue tumors are rarely encountered in reptiles and mainly represented by some documented cases of malignant peripheral nerve sheath tumor (MPNST). The paper is the first to describe a tumor mimicking MPNST by some ultrastructural features of tumor cells; however, significantly differing in the combination of immunohistochemical characteristics. Based on the data of electronic microscopy, immunohistochemistry, cytology, and histology, the tumor was classified as ganglioneuroblastoma. Since this nosological entity, unlike MPNST, cannot be assigned to a group of sarcomatoid tumors, the described pathology should be regarded as the first registered case of neuroectodermal histogenesis of tumors in reptiles.
ISSN:0004-1955