Arda Selin Tunç

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Verified

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• Doctor of Veterinary Medicine
• Professor (Assistant) at Ankara University

It was aimed to identify diseases using immunocytochemical, immunohistochemical, and in-situ hybridization methods, to determine sensitivity and specificity among these techniques, and to highlight their advantages and disadvantages for certain respiratory (Mycoplasma pneumonia, Pasteurella spp., Respiratory syncytial virus, Parainfluenza virus 3)...

Sebaceous neoplasms are among the most frequently observed skin tumors in dogs. The histological classification of sebaceous glands (including Meibomian glands) is made according to sebocyte and basaloid reserve cell components. In this study aiming to examine sebaceous tumors in detail, 28 biopsies diagnosed with sebaceous neoplasia, including Mei...

Myoepithelial cells (MECs) are known to play an active role in mixed mammary tumors and are found in dogs as well as in humans. The study aimed to assess the morphologic features of epithelial and mesenchymal cells and MECs and investigate their roles in epithelial-mesenchymal transformation in different tumor types in canine mammary tumors. Immuno...

Background: Canine mammary tumor (CMT) is a benign or malignant neoplasm originating from epithelium, myoepithelium and/or mesenchymal cells of the mammary gland. CMTs are the most often diagnosed neoplasia and age, breed, tumor characterizations as risk factors are important in CMTs. Canine mammary tumors are mostly in the malignant form, not in t...

The aim of this study is to contribute to the current literature by determining the distribution of bone tumors in dogs and cats by breed, age, gender and location. Bone tumors are more common in dogs than cats, and the most common primary bone tumor in both species is osteosarcoma. The biopsy and necropsy reports of the Ankara University, Faculty...

In the study, it was aimed to describe the histopathological findings in bears that died as a result of smoke poisoning in natural fire deaths, unlike model studies. Himalayan (n:3) and brown bears (n:7) that died due to smoke in the fire were brought for necropsy. Macroscopically, there were no burns or injuries on the bearskins. The lumens of the...

The aim of this study was to evaluate seminomas based on cell morphology and histological structures, and classify them into subtypes. Thirty canine seminomas were stained with hematoxylin-eosin (HE) and Periodic Acid Schiff (PAS). PAS-positive cases were classified as Classical seminoma (CS) (n:5), while PAS-negative cases were categorized as Sper...

Background: In present study, the effect of taurine on flap perfusion and viability was examined using the modified random pattern dorsal flap model (DFM). Materials and methods: Eighteen rats were included and divided equally (n=9) to taurine treatment and control groups in this study. Taurine treatments were given orally at a dose of 100 mg/kg...

Scopulariopsis brevicaulis, a soil saprophyte, is the most common dermatomycotic mould and causes deep fungal infection. Ten canaries died in a flock of 200 and, at necropsy, S. brevicaulis was isolated from lung and beak samples. Macroscopically, the colonies were flat, velvety or powdery, white, tan, dark brown, grey or black. Microscopically, th...

A carcinosarcoma is a tumor composed of cells morphologically resembling both malignant epithelial and mesenchymal components. An 11-year-old, female, mixed-breed terrier was referred to the clinic with complaints of anorexia, vomiting and exercise intolerance. Clinically, tumoral masses were seen in the mammary glands. During necropsy, multilobula...

There are limited data on the influence of fructose rich diet on the male reproductive system. Kefir may have health beneficial effects, but its mechanism of action remains mostly unclear. Herein, we investigated the impact of dietary high fructose on tight junction proteins and mitogenic pathways in rat testis as well as their modulation by kefir...

Hayvanlarda son zamanlarda sıkça karşılaşılan epilepsi, nöbetlere veya olağandışı davranış, duyumlara ve farkındalık kaybına neden olan nörolojik bir bozukluk olarak tanımlanmaktadır. Epilepsi hem beşerî hekimlikte hem de veteriner hekimlikte hastaların hayatları boyunca refahlarını olumsuz etkilemektedir. Günümüzde halen epilepsinin neden şekillen...

A 2-year-old multiparous (Case 1) and a 2.5-year-old nulliparous (Case 2) Djungarian hamster each presented with a history of a prolapsed mass from the vulva. A partial uterine prolapse was diagnosed in both cases, according to the clinical and diagnostic examinations. The prolapsed mass was replaced in each hamster, and an ovariohysterectomy was p...

Mortellaro disease is an infection caused by mostly spirochete bacteria in dairy cows, sheep, and goats. The aim of the present study was to define to Mortellaro disease pathomorphologically and immunohistochemically and investigate whether cell-cell adhesion connections are lost in cell proliferation. Tissue samples were collected from underfoots...

Spinal tümörler; travma ve disk hastalığı elendikten sonra evcil hayvanlarda spinal hastalıkların ayırıcı tanısında önemli bir yer tutar. Spinal tümörler lokalizasyonuna göre ekstradural, intradural-ekstramedullar ve intramedullar olarak sınıflandırılabilir. Osteosarkoma, kedilerde en çok karşılaşılan vertebral tümör tipidir ve epidural boşluğa inv...

Background: Adenomyosis is a non-neoplastic condition, characterized by the presence of endometrial glands or cells in the myometrium. Adenomyosis is de ned by post-operative microscopic examination of uterine tissue and a rarely seen infertility problem in bitches. The process of transformation of healthy uterus into adenomyotic uterus is still a...

Canine transmissible venereal tumor (CTVT) is a tumor that commonly occurs in genital and extragenital sites of both genders. Long Interspersed Nuclear Elements (LINE-1) retrotransposon has the pivotal role in allogenic transfection amongst uncontrolled dog population. In the study, it is aimed to evaluate pathomorphological, immunohistochemical an...

Parakeratosis is a nutritional disease characterised by keratinisation deficiency of the stratum corneum of skin. The case report presented here reflects the diagnosis, treatment and prognosis of a calf with zinc deficiency. This report also points out the evaluation of calves with smilar dermatologic problems in differantial diagnosis. 20 day old...

Introduction Adenomyosis is a non-neoplastic condition, characterized by the presence of endometrial glands or cells in the myometrium[1]. The clinical importance, morphological and molecullar abnormalities are still unclear [2]. The aim of this study was evaluated the cell differentiation markers in seven adenomyosis cases, obtained as incidentall...

The purpose of this case report was to point out the possible association of cutaneous mucinosis and primary epicardial mesothelioma in a Shar-Pei. A-5-year-old Shar-pei breed dog referred to Small Animal Hospital with a history of pruritic vesicular lesions with jelly substance. Cutaneous mucinosis was diagnosed with biopsies taken from the affect...

Concerns have been increasing about conventional cages for laying hens in connection with welfare. Liver and bone disorders of laying hens are major problems. Therefore, the aim of this experiment was to investigate the differences in liver and bone traits of two laying strains kept in conventional and enriched cages. A total of 532 two Lohmann Bro...

The purpose of this case report was to point out the possible association of cutaneous mucinosis and primary epicardial mesothelioma in a Shar-Pei. A 5 year-old Shar-pei breed dog referred to Small Animal Hospital with a history of pruritic vesicular lesions with jelly substance. Cutaneous mucinosis was diagnosed with biopsies taken from the affect...

Objective of this study was to report Magnetic resonance imaging (MRI) features of histologically confirmed paranasal sinus tumors and surgical outcomes. Totally 17 dogs and 3 cats were included in the study. Medical records of dogs and cats which were presented between January 2008 and November 2015 due to paranasal sinus tumors were reviewed. Dog...

Pelvic organ prolapse in two djungarian hamsters with ocarian cystic papillar hyperplasia.

Canine transmissible venereal tumor (CTVT) is a commonly occurred in genital and extra-genital sites of both genders. The tumor is spread through tumor cell transplantation from affected to unaffected dogs usually during coitus. LINE-1 or L1 retrotransposons has pivotal role in allogenic transfection amongst uncontrolled dog population. In the stud...

This case report concerns a four-year-old female Siamese cat which presented with inappetence, vomiting and weight loss. During routine clinical examinations of the patient, numerous neoplastic masses were detected in the liver, lungs and abdomen. Upon a request from the owner, the cat was euthanised. At necropsy, the primary tumour was detected in...

In this case, the use of the Cell Block technique in the diagnosis of pleural effusion collected from a 3.5 year old Setter Spaniel breed dog was investigated. The dog was presented to Ankara University Small Animal Hospital with the history of acute dyspnea, weakness, exercise intolerance and tachypnea for a week. Routine clinical examinations inc...

A 17-year-old male, mongrel dog was evaluated for a primary mass localized between perianal and sacral region and metastatic foci on lung. It was also encountered coincidentally with another mass taking place between distal esophagus and cardia of stomach and metastatic foci in kidney. In histopathological examination, perianal localization of mass...

In this study, cytological examination of smears prepared with cytospin and bacteriological isolation from the samples taken with cytobrush from corneal surface of goats with keratoconjunctivitis were evaluated. An outbreak of infectious keratoconjunctivitis, which is particularly affecting kids, was determined in a herd of Saanen goats consisting...

In the case, it was described the generalized pasteurellosis in a 4, 5-year-old female rabbit as pathomorphological and microbiological. Macroscopically, a mass which was 6×4×3 cm in diameter, fluctuant and pus like white color and crema leaking from the cross-section, was attended in right side of neck. On lungs especially in apical lobes, hepatiz...

Ovarian Remnant Syndrome (ORS) is a gynecopathological disorder in which eostrus and pseudopregnancy like signs are observed after ovarioectomy or ovariohysterectomy (OHE) in animals. The syndrome is generally occurred due to iatrogenic failure, in which both ovaries are not completly removed, especially ovarian cortex, in surgical operations. In t...

A case of cystic mucinous hyperplasia is described in 5 years old, female, German Shepherd dog. Macroscopically the gall bladder was distended. There were multiple 0.1-0.3 cm size cystic papillary structures in many areas of gall bladder. In addition a 16 cm diameter paraovarian cyst containing serous fluid was detected in the cranial aspect of lef...

Veterinary cytology is gaining importance in diagnostics of skin and subcutaneous masses of dogs. A case of canine-hemangiopericytoma was described by cytopathological and histopathological findings on Fine needle aspiration (FNA) and excisional biopsy. A 13-year-old female terrier dog had a subcutaneous lesion on right leg. FNA was performed by th...

This is a case report on a 9 year old Pekingese bitch with complaint of mammary gland mass in the left fifth gland that was presented to Obstetrics and Gynecology Clinic of Ankara University Faculty of Veterinary Medicine. Radical bilateral mastectomy was performed followed by an ovariohysterectomy. During the surgical procedure abnormality of one u...

In the study, hydatid cysts were evaluated macroscopically and histopathologically on the lungs of 28-year-old male and 33-year-old female, two African giraffes. It was encountered with multiple cysts, which varied 3-10 cm in diameter, on lungs of both animals. Histopathologically, germinative membrans and brooding capsules including protoscolex we...