Antuofermo, Elisabetta and Rocca, Stefano and Burrai, Giovanni and Pirino, Salvatore and Castiglia, Paolo Giuseppino and Marras, Vincenzo (2007) Applicazione della classificazione National Health Service Breast Screening Pathology (NHSBSP) nella comparazione cito-istologica dei tumori mammari della cagna = NHSBSP classification use in the correlation of canine mammary tumour cytology and histopathology. In: 4. Congresso nazionale A.I.P.Vet.: atti, 24-25 Maggio 2007, Alberese, Italia. Milano, AIPVet. p. 16. ISSN 1825-2265. Conference or Workshop Item.
Canine mammary tumours (CMT) are the most common neoplasia in bitches. Fine needle aspiration cytology (FNAC) is a fast and inexpensive technique well-tolerated by animals. Few reports have shown how difficult cytological diagnosis of CMT is and how difficult benign or malignant tumours are to classify using FNAC. Cytological diagnosis has often been inconclusive in veterinary pathology. In the diagnosis of human breast cancer, FNAC efficacy is beyond doubt due to its high specificity. In this preliminary study, our aim is to evaluate the efficacy of NHSBSP classification, applied to CMT. Secondly, we wish to test the usefulness of H&H stain in FNAC for CMT diagnosis. 75 FNAC specimens, from 41 dogs with mammary tumours were examined. 72/75 underwent the NHSBSP classification Histological examination of the tumours was performed in each case for comparison purposes. All the CMTs fell under the five categories: C1 (3 cases), C2 (7 cases), C3 (38 cases), C4 (15 cases), C5 (9 cases). As regards H&H staining in our view it was more efficacious than M.G.G. staining in distinguishing morphological cell details. Our results showed that the NHSBSP classification gave a 94.4% correspondence level between cytological and histological findings.
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