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Yıl 2020, Vetexpo-2019, KHVD-2019, 75 - 75, 31.03.2020

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A Case of CEH- Pyometra Complex with Ovarian Granulosa Cell Tumour in a Dog

Yıl 2020, Vetexpo-2019, KHVD-2019, 75 - 75, 31.03.2020

Öz

Granulosa cell tumor, which one of the most common neoplasia seen in the dog ovary originates from sex chord stromal cells. Granulosa cell tumors may increase the production and release of hormones such as estradiol, progesterone and a-inhibin (Pluhar et al., 1995). Sex chord stromal tumors tend to be benign in horses or cows but may have a malignant character in dogs (Maclachlan and Kennedy, 2002; Zanghi et al., 2007). Prolonged estrus cycle caused by estrus cycle disorder due to most ovarian tumors may cause pyometra in dogs. This study aims to macroscopically and histopatologically identify the ovary and uterus of a 7 year old Belgian Malinois which was removed in ovariohysterectomy that was brought to Ondokuz Mayıs University, Faculty of Veterinary Medicine, Department of Gynaecology. The patient was brought to the clinic due to anorexia, lethargy and abdominal distension. Patient history of the dog revealed the last PR oestrus was 2 months ago and mucous membranes were normal, capillary refill time was 2 seconds, submandibular lymph nodes were enlarged, dehyration ratio was 4-6%, heart rate was 144/min, respiratory rate was 60/min and body temperature was 39,6oC in the physical examination. The patient's WBC (36.69 10^9/L), neutrophil (30.04 10^9/L) and monocyte (3.54 10^9/L) counts were greater than normal reference values. Reproductive ultrasonography showed anechoic regions in the uterus and heterogenous mass in line with the left ovary caudal to the left kidney. The patient was diagnosed as close cervix pyometra and prepared for surgery. Prior to the operation, the patient’s general condition was supported. The reproductive organs' shape and size were found to be abnormal during the median laparotomy. The uterine horns were seen to be cystic, engorged and enlarged. The right ovary had its normal shape and size. However, a solid mass, which was attached to the uterus and large enough to be covered with both hands was detected. Since no ovarian structures could be seen in this region, the mass was assumed to be the pathological ovary. After the explorations, ovariohysterectomy was performed to remove ovaries and uterus. During the post operative evaluation the left uterine horn was measured to be 17.6 cm long and 4.5cm wide the left horn measured 17.6cm long and 3.2cm wide and the mass at the left ovary was 12x18x8cm3 in volume. Tissues were sent for histopathological evaluation in 10% buffered formalin solution. After routine tissue processing, Hematoxylene&Eozin sections were evaluated by histochemical staining. The histopathologic evaluation showed neoplastic cells with mostly follicular characteristics. These neoplastic cells had vacuolar cytoplasms and round hyperchromic nuclei. At some regions, eosinophyllic liquid filled gaps, which are called Call-Exner Particles, were detected between granulosa cells. After the treatment, it was learned that the patient lived for a year without significant health problems and died for another reason. This case shows that granulosa cell tumors should be taken into consideration in the etiology of KEH-pyometra cases due to estrogen and progesterone secreted.

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Ayrıntılar

Birincil Dil İngilizce
Konular Veteriner Cerrahi
Bölüm Olgu sunumu
Yazarlar

Firdevs Binli Bu kişi benim

İpek İnan Bu kişi benim

Nilüfer Kuruca Bu kişi benim

Serhan Serhat Ay Bu kişi benim

Tolga Güvenç Bu kişi benim

Murat Fındık

Yayımlanma Tarihi 31 Mart 2020
Yayımlandığı Sayı Yıl 2020 Vetexpo-2019, KHVD-2019

Kaynak Göster

APA Binli, F., İnan, İ., Kuruca, N., Ay, S. S., vd. (2020). A Case of CEH- Pyometra Complex with Ovarian Granulosa Cell Tumour in a Dog. Journal of Istanbul Veterinary Sciences75-75.

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