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Cervical type AB thymoma (Mixed) tumour diagnosis in a mynah as a model to study human: clinicohistological, immunohistochemical and cytohistopathological study

Fariba Khaki1, Javad Javanbakht1*, Farhang Sasani1, Mohammad Javad Gharagozlou1, Alimohammad Bahrami2, Hemmat Moslemzadeh3 and Reza Sheikhzadeh4

Author affiliations

1 Department of Pathology, Faculty of Veterinary Medicine, Tehran University, Tehran, Iran

2 Faculty of Para-Veterinary Medicine, University of Ilam, Ilam, Iran

3 Graduate, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran

4 Faculty of Veterinary Medicine, Teharn University, Tehran, Iran

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Citation and License

Diagnostic Pathology 2013, 8:98  doi:10.1186/1746-1596-8-98

Published: 18 June 2013


Thymoma is a primary mediastinal neoplasm arising from or exhibiting differentiation towards thymic epithelial cells, typically with the presence of non-neoplastic lymphocytes. A 13-year-old male Mynah bird (acridotheres tristis) was presented for evaluation of a 2.3 × 1.5 × 1.0 cm mass in the left ventrolateral cervical region. The clinical signs, radiology, cytohistopathology and immunohistochimy findings related to the thymoma are presented. These findings indicated that the tumor was a type AB thymoma according to the World Health Organization (WHO) and veterinary classification. Thymomas are rarely reported in avian species and this is the first report in a Mynah bird.

The virtual slide(s) for this article can be found here: webcite.

Thymoma; Lymphocytic type; Diagnosis; Mynah,Neck