Volume: 52 Issue: 4
Year: 2021, Page: 393-398, Doi: https://doi.org/10.51966/jvas.2021.52.4.393-398
Received: March 14, 2021 Accepted: April 16, 2021 Published: Dec. 15, 2021
The present study was carried out to assess the pulmonary metastatic lesions in cases of canine superficial and mammary neoplasms presented to the University Veterinary Hospitals, Mannuthy and Kokkalai, Kerala Veterinary and Animal Sciences University during a twelve month period from February 2019 to February 2020. Twenty-four cases of neoplasms in dogs consisting of 12 cases of superficial neoplasms and 12 cases of mammary neoplasms were subjected to fine needle aspiration cytology (FNAC) for the confirmation of malignancy of neoplasm and threeview thoracic radiographs were taken to assess the pulmonary metastatic pattern. The results were correlated with the malignancy detected in histopathological analysis after excisional biopsy. The most commonly observed pulmonary metastatic lesions were pulmonary nodules followed by pulmonary micronodules, miliary nodules, and pulmonary mass. These lesions were more evident in malignant mammary neoplasms especially in tubulopapillary carcinoma, ductal carcinoma, and medullary mammary carcinoma with spatial arrangements more in the perihilar region followed by caudodorsal, midventral, and cranioventral area of lung parenchyma. In case of superficial neoplasms miliary patterns and pulmonary microndules were mostly detected as pulmonary metastatic pattern in soft tissue sarcoma, round cell tumour, and malignant fibrohistiocytoma.
Keywords: Superficial neoplasm, mammary neoplasm, pulmonary metastasis, computed thoracic radiography
Armbrust, L.J., Biller, D.S., Bamford, A., Chun, R., Garrett, L.D. and Sanderson, M.W. 2012. Comparison of three-view thoracic radiography and computed tomography for detection of pulmonary nodules in dogs with neoplasia. J. Am. Vet. Med. Assoc. 240: 1088–1094.
Franquet, T., Rosado-de-Christenson, M.L., Marchiori, E., Abbott, G.F., MartínezJiménez, S. and López, L. 2020. Uncommon thoracic manifestations from extrapulmonary tumors: Computed tomography evaluation-Pictorial review. Respir. Med. 20: 105-986.
Gowthami, N.G.V. 2017. Computerized radiographic studies of thorax in geriatric dogs. M.V.Sc. thesis, Sri Venkateswara Veterinary University, Thirupati, 148p.
Jung, J.I., Kim, H.H., Park, S.H., Song, S.W., Chung, M.H., Kim, H.S., Kim, K.J., Ahn, M.I., Seo, S.B. and Hahn, S.T. 2004. Thoracic manifestations of breast cancer and its therapy.Radiographics.24: 1269- 1285.
Klopfleisch, R., Klose, P., Weise, C., Bondzio, A., Multhaup, G., Einspanier, R. and Gruber, A.D. 2010. Proteome of metastatic canine mammary carcinomas: similarities to and differences from human breast cancer. J. Proteome Res. 9: 6380-6391.
Mai, W., Q’Brien, R., Scrivani, P., Porat-Mosenco, V., Tobin, E., Seiler, G., McConnell, F., Schwarz, T. and Zwingenberger, A. 2008. The lung parenchyma In: Schwarz, T. and Johnson, V. (eds.), BSAVA Manual of canine and feline thoracic imaging. BSVA, Gloucester, pp. 240-320.
Seo, J.B., Im, J.G., Goo, J.M., Chung, M.J. and Kim, M.Y. 2001. Atypical pulmonary metastases: spectrum of radiologic findings. Radiographics. 21: 403-417.
Rungsipipat, A., Suryasootcharee, B., Ousawaphlangchi, L., Sailasuta, A., Thanawongnuwech, R., Teankum, K. and Lek, O. 2003. Neoplasms in dogs in Bangkok. Tailand J. Vet. Med. 33: 59-66.
Weerakkody. 2020. Pulmonary Metastasis. Radiopaedia. Available: https:// radiopaedia.org/articles/pulmonarymetastasis. [On Dec 2020].
Weerakkody and Niknejad. 2020. Pulmonary Metastasis. Radiopaedia. Available: https://radiopaedia.org/articles/ pulmonary-metastases. [On Oct 2020].
Woodring, J.H. 1990. Pitfalls in the radiologic diagnosis of lung cancer. AJR. Am. J. Roentgenol. 154: 1165-1175.
© 2021 Lekshmi et al. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Lekshmi, S.L., Sudheesh, S. N., Sajitha, I.S., Soumya, R., Narayanan, M.K. and John Martin, K.D. 2021. Radiographic assessment of pulmonary metastatic lesions in superficial cutaneous and mammary neoplasms in dogs. J. Vet. Anim. Sci. 52(4):393-398
DOI: https://doi.org/10.51966/jvas.2021.52.4.393-398