Abstract
Ovarian tumors are rarely seen in bitches and they usually occur in older ages. The most common type of ovarian tumor is epithelial tumors. Hematological parameters are frequently affected by the presence of neoplasms. There are various types of anemia associated with neoplasms. In the present study; we investigated the relationship between complete blood count (CBC) and the presence of ovarian tumors in bitches. Seven bitches with ovarian tumors and 6 bitches with histologically healthy ovaries were selected for this study. Increased level of platelet (PLT) was determined in bitches with ovarian tumors and considered as a significant finding to estimate the cancer progression. Besides, red blood cells (RBC), hematocrit (HCT), and hemoglobin (HGB) levels were decreased in bitches with ovarian tumors, which might be associated with cancer related anemia. In conclusion, the evaluation of complete blood count in bitches with ovarian tumors can be important to estimate the hematological effect of tumor progression.
Highlights
Ovarian tumors are rarely seen in bitches due to neutralization at early ages (Gomez-Laguna et al, 2008)
In the present study; we investigated the relationship between complete blood count (CBC) and the presence of ovarian tumors in bitches
Red blood cells (RBC), hematocrit (HCT), and hemoglobin (HGB) levels were decreased in bitches with ovarian tumors, which might be associated with cancer related anemia
Summary
Ovarian tumors are rarely seen in bitches due to neutralization at early ages (Gomez-Laguna et al, 2008). Ovarian neoplasms occur in a wide age range in bitches, but granulosa cell tumors (GCT) and teratomas appear at a younger age than others (DiezBru et al, 1998). Four main categories are defined for ovarian neoplasms; epithelial, germ cell tumors, sexcord stromal tumors and mesenchymal tumors. Epithelial tumors include papillary adenomas, papillary adenocarcinomas, rete adenomas and undifferentiated carcinomas. Epithelial tumors constitute 40 % to 50 % of all canine ovarian tumors (Bertazzolo et al, 2004). Papillary adenocarcinoma is a common type and often/frequently occurs bilaterally, similar to papillary adenoma (Nielsen et al, 1976). Germ cell tumors consist of dysgerminomas, ovarian teratomas and embryonal carcinomas. Sex-cord stromal tumors include granulosa cell tumors, luteomas and thecomatas (Bertazzolo et al, 2004). Luteoma is a less common tumor type that has limited reports in mares, cats and monkeys (Namazi et al, 2015). There is not much information about breed predisposition in dogs Bulldog and Boxer breeds display the highest risk (Sforna et al, 2003)
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