Malignant pilomatricoma with multiple bone metastases in a dog: Histological and immunohistochemical study

  • Authors:
    • Manuela Martano
    • Luigi Navas
    • Leonardo Meomartino
    • Francesca Abramo
    • Brunella Restucci
    • Paola Maiolino
    • Lorenzo Lo Muzio
  • View Affiliations

  • Published online on: February 25, 2013     https://doi.org/10.3892/etm.2013.974
  • Pages: 1005-1008
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Abstract

An eleven year-old mongrel dog was referred with a history of left forelimb lameness and an ulcerated mass on the neck. Histologically, the cutaneous neoplasm revealed cystic lobules composed of basaloid cells with abrupt transition to central keratotic material, containing pycnotic and shadow cells. Approximately 3 months after primary diagnosis, a lesion of the cortical bone on the left humerus was observed using X-ray. Samples obtained from the humerus were processed for histopathological examination and the neoplastic tissue was observed to be similar to the type identified in the neck. Based on these findings, the tumor was diagnosed as a malignant pilomatricoma (MP) with bone metastasis. MP is a rare skin tumor that originates from hair matrix cells. To date, only nine reports have been presented in dogs. In the present study, we discuss the cytological and histological patterns of MP, confirmed by immunohistochemistry using β catenin antibody.
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April 2013
Volume 5 Issue 4

Print ISSN: 1792-0981
Online ISSN:1792-1015

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Spandidos Publications style
Martano M, Navas L, Meomartino L, Abramo F, Restucci B, Maiolino P and Lo Muzio L: Malignant pilomatricoma with multiple bone metastases in a dog: Histological and immunohistochemical study. Exp Ther Med 5: 1005-1008, 2013
APA
Martano, M., Navas, L., Meomartino, L., Abramo, F., Restucci, B., Maiolino, P., & Lo Muzio, L. (2013). Malignant pilomatricoma with multiple bone metastases in a dog: Histological and immunohistochemical study. Experimental and Therapeutic Medicine, 5, 1005-1008. https://doi.org/10.3892/etm.2013.974
MLA
Martano, M., Navas, L., Meomartino, L., Abramo, F., Restucci, B., Maiolino, P., Lo Muzio, L."Malignant pilomatricoma with multiple bone metastases in a dog: Histological and immunohistochemical study". Experimental and Therapeutic Medicine 5.4 (2013): 1005-1008.
Chicago
Martano, M., Navas, L., Meomartino, L., Abramo, F., Restucci, B., Maiolino, P., Lo Muzio, L."Malignant pilomatricoma with multiple bone metastases in a dog: Histological and immunohistochemical study". Experimental and Therapeutic Medicine 5, no. 4 (2013): 1005-1008. https://doi.org/10.3892/etm.2013.974