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Original scientific paper

Review of the congruence between cytopathological and histopathological diagnoses of archived cases, from 2009 to 2016 at the Department of Veterinary Pathology, Zagreb

Maja Dvoršćak ; Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
Marko Hohšteter ; Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
Ivan - Conrado Šoštarić - Zuckermann ; Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia


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Abstract

Cytological examination is routinely applied in clinical work because of its efficiency, speed and simplicity. Histological examination is more complex, andrequires more time for specimen preparation, but it is the gold standard for analysing tissue architecture. Both methods are performed by the Department of Veterinary Pathology of the Veterinary Faculty, University of Zagreb, but the rate of congruency between those methods has not yet been investigated. The Department archives were searched for all cases (pairs) that underwent both cytological and histological examination of the same lesion, between 2009 and 2016, that is, altogether 251 cases. Statistical analysis of the accuracy and efficiency of cytological cases in relation to histological cases was conducted. With indecisive (non-diagnostic) cases excluded (20.7%), the rate of complete or partial congruency between cytological and histological diagnosis was 80.4%, and the rate of non-congruency was 19.6%. The majority of samples were taken from the skin region (50.6%), where 20.5% were mastocytomas, in comparison to other lesions which altogether accounted for 79.5% of lesions. The results showed 96.6% congruency in mastocytoma cases, regardless of the region. The results are similar to those obtained in comparable research, in both human and veterinary medicine. This research showed a high rate of congruency between cytological and histological diagnosis and cytological examination was shown (supplemented by histological examination) to be a very important and useful screening method in the classification of skin lesions in domestic animals.

Keywords

cytological examination; histological examination; compatibility analysis; skin

Hrčak ID:

218996

URI

https://hrcak.srce.hr/218996

Publication date:

11.4.2019.

Article data in other languages: croatian

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