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Published on: April 20, 2018
Comparative Study of Digital Squamous Cell Carcinoma in Giant, Standard, and Miniature Schnauzers
Heike Aupperle-Lellbach1,2, Daniela Heidrich1, David Conrad1
1LABOKLIN GmbH & Co. KG, 97688 Bad Kissingen, Germany.
Abstract:
In schnauzers, a breed predisposition to squamous cell carcinoma of the digit (dSCC) is well known. The aim of this study was to compare the clinical and macroscopic findings of dSCCs in giant (GSs), standard (SSs), and miniature schnauzers (MSs).
Methods:
Pathology reports of 478 dSCCs from 417 schnauzers (227 GSs, 174 SSs, and 16 MSs) were retrospectively evaluated.
Results:
The MSs were older than the SSs and GSs (p ≤ 0.01). The male GSs were predisposed to dSCC (p < 0.05). In the GSs, the nodular dSCCs were larger than in the MSs (p ≤ 0.05) and SSs (p ≤ 0.001). The digital SCCs were mostly diagnosed at the forelimbs, especially at digits 1, 2, and 5. At the hindlimbs, the affected toes differed between the GSs and SSs. Multiple dSCCs were more common in SSs than in GSs (p = 0.003). If dSCC was the cause of death, the survival time was shorter than in dogs dying from other diseases (p = 0.004). Metastases occurred in 20% of the cases and led to a significantly shorter survival time in both the GSs and SSs (p < 0.001).
Conclusions:
The results showed various differences in the dSCC depending on the size variant of the schnauzer.
