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All Journal Media Kedokteran Hewan Ovozoa: Journal of Animal Reproduction
Jarikre, Theophilus Aghogho
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Agriculture, Biological Sciences & Forestry Medicine & Pharmacology Veterinary

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Concurrent cutaneous papilloma and vaginal fibroepithelial polyp in an adult female dog Ola, Olawale Olawumi; Jarikre, Theophilus Aghogho; Tijani, Monsuru Oladunjoye; Olaifa, Olanrewaju Samuel; Adekunle, Usman Abdulrauf; Ohore, Obokparo Godspower; Alaka, Olugbenga Olayinka; Omosekeji, Linda Chinyere; Onoja, Moyinoluwa Julianah; Bolaji, Oluwadarasimi Faith; Oyeyemi, Matthew Olugbenga; Fagbohun, Olusegun Adesina; Eyarefe, Oghenemega David
Ovozoa: Journal of Animal Reproduction Vol. 14 No. 3 (2025): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v14i3.2025.171-178

Abstract

Simultaneous occurrence of cutaneous papilloma and vaginal fibroepithelial polyp in old dogs is rare, making such cases clinically and academically significant. An eight-year-old female Boerboel presented with a one-year history of non-pruritic, wart-like skin lesions and a large vulvar mass observed on the day of presentation. Clinical examination, fine-needle aspiration, surgical excision, and histopathological analysis were performed to establish the diagnosis. The vulvar mass measured 16 × 10 × 8 cm, was firm, hyperemic, and smooth, with focal necrosis and hemorrhage. Cutaneous lesions were small, irregular, and cauliflower-like, located on the flank and hind digits. The client had initially misinterpreted the associated bloody vaginal discharge as estrus. Fine-needle aspirates from the vulvar mass showed predominantly cornified epithelial cells. Histopathological examination confirmed the skin lesions as cutaneous papillomas, characterized by hyperplastic stratified squamous epithelium with orthokeratotic hyperkeratosis, and acanthosis. The vaginal mass was diagnosed as a fibroepithelial polyp composed of a hypocellular stroma of bland spindle cells, non-keratinized squamous epithelium, and dense neutrophilic infiltration with necrotic debris. This case adds to the sparse body of knowledge on concurrent cutaneous and reproductive tract lesions in dogs. It emphasizes the critical role of thorough clinical evaluation and histopathological confirmation in distinguishing lesions that may appear related but are distinct. Early surgical intervention is essential for effective management and a favorable prognosis, and systematic documentation of such cases enhances understanding of unusual presentations in veterinary practice.
Metastatic Calcification Associated with Chronic Kidney Disease in a 5-Year-Old Boerboel Dog Shakiru, Habeeb; OLA, Olawale Olawumi; Olaifa, Olanrewaju Samuel; Tijani, Monsuru Oladunjoye; Jarikre, Theophilus Aghogho; Usman, Abdulrauf Adekunle; Ajani, Tola Felicia Orotusin; Adejumobi, Olumuyiwa Abiola; Omobowale , Temidayo Olutayo
Media Kedokteran Hewan Vol. 37 No. 1 (2026): Media Kedokteran Hewan
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/mkh.v37i1.2026.62-72

Abstract

Pathologic mineralization refers to the abnormal deposition of calcium salts in tissues. In dogs, metastatic calcification is an uncommon but serious complication of chronic kidney disease (CKD), resulting from disturbances in calcium/phosphorus metabolism or renal damage by infectious agents. A 5-year-old female Boerboel was presented because of one week of anorexia. Clinical assessment revealed severe emaciation, dehydration, azotemia, hyperphosphatemia, and concurrent ehrlichiosis. Despite oxytetracycline and doxycycline therapy for two days, the dog died. Necropsy and histopathological examination were performed. Grossly, there was extensive mineralization of the diaphragm, intercostal muscles, pleura, pharynx, and great vessels. Histopathology showed tubular epithelial degeneration, protein casts, tubular ectasia, and interstitial fibrosis, consistent with advanced CKD. Laboratory findings of azotemia, hyperphosphatemia, hypoalbuminemia, and hypercalcemia supported renal failure as the underlying process driving the soft tissue mineralization.  Extra-renal lesions included hepatocellular atrophy with vacuolar change, Kupffer cell hyperplasia, bronchointerstitial pneumonia with pulmonary edema, and hemorrhagic follicular cystitis with mononuclear infiltration. The combined gross and histopathological findings demonstrate how renal failure-induced mineral imbalance can drive widespread soft tissue mineralization. Veterinary clinicians must monitor calcium/phosphorus status to anticipate life-threatening sequelae.
Leiomyoma of the broad ligament in an 8-year-old female Nigerian local pig (Sus scrofa): A Case Report Okandeji, Michael Efeturi; Abiola, John Olusoji; OLA, Olawale Olawumi; Tijani, Monsuru Oladunjoye; Jarikre, Theophilus Aghogho; Olaifa, Olanrewaju Samuel; Usman, Abdulrauf Adekunle; Onoja, Moyinoluwa Julianah
Ovozoa: Journal of Animal Reproduction Vol. 15 No. 1 (2026): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v15i1.2026.65-70

Abstract

Leiomyomas are benign smooth muscle tumors most frequently arising from the uterus of intact female animals. Extra-uterine forms, including those originating from the broad ligament, are rare across species and hold diagnostic significance, particularly in older pigs. An 8-year-old, nulliparous Nigerian local pig with a history of repeated unsuccessful breeding and progressive abdominal enlargement was slaughtered for evaluation. Post-mortem examination revealed a large, firm, well-encapsulated intra-abdominal mass. The mass was carefully removed, weighed, and sampled for cytological and histological analyses. Representative tissue samples were fixed in 10% neutral buffered formalin, processed routinely, paraffin-embedded, sectioned at 5μm, and stained with Hematoxylin and Eosin. Grossly, the mass was solitary, spherical, and encapsulated, weighing approximately 8 kg, and measuring 28 × 20 ×15 cm. The cut surface was firm, white, whorled, with distinct lobulation. Cytology showed low cellularity with discrete spindled-shaped cells. Histologically, the tumor consisted of well-differentiated spindle cells arranged in interlacing fascicles, with elongated, blunt-ended nuclei and no detectable mitotic activity. Cellular atypia was minimal, and there was no evidence of necrosis, hemorrhage, or invasion. These features support a benign smooth muscle tumor consistent with leiomyoma. This case describes a rare extra-uterine leiomyoma of the broad ligament in a geriatric pig, contributing to limited reports in swine and highlighting its relevance in the differential diagnosis of intra-abdominal masses in aged female pigs.
Oxidative Stress Assessment in Serum and Bronchoalveolar Lavage Fluid (BALF) of Normal and Pneumonic Sheep Ajayi, John Olurotimi; Jarikre, Theophilus Aghogho; Usman, Abdulrauf Adekunle; Emikpe, Benjamin Obukuwho; Taiwo, Victor Olusegun
Media Kedokteran Hewan Vol. 37 No. 2 (2026): Media Kedokteran Hewan
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/mkh.v37i2.2026.214-223

Abstract

Oxidative stress plays a critical role in the pathogenesis of respiratory diseases in small ruminants; however, a comprehensive assessment comparing systemic and local pulmonary oxidative status in naturally infected Nigerian indigenous sheep is lacking. This study evaluated oxidative parameters in serum and bronchoalveolar lavage fluid (BALF) from 210 sheep, including healthy controls and animals with naturally occurring pneumonia. Samples were analyzed for total protein, enzymatic antioxidants (glutathione peroxidase, glutathione transferase, superoxide dismutase), non-enzymatic antioxidants (reduced glutathione, vitamin C), and oxidative stress markers (myeloperoxidase, malondialdehyde, hydrogen peroxide, and nitric oxide). In pneumonic sheep, serum and BALF levels of glutathione peroxide, glutathione transferase, and superoxide dismutase were significantly reduced, whereas levels of myeloperoxidase, hydrogen peroxide, and nitric oxide were markedly increased. Malondialdehyde showed mild elevation. The most significant oxidative disturbances were observed in bronchopneumonia, bronchointerstitial pneumonia, and granulomatous pneumonia. These results demonstrate a pronounced oxidative imbalance in both the systemic and pulmonary compartments of sheep with pneumonia. Therefore, this study provides novel evidence supporting the integration of antioxidant therapy and targeted nutritional management into standard care protocols to mitigate oxidative damage and improve outcomes in pneumonic sheep.
Circulating Serovars of Leptospirosis and Associated Factors in Jos, North Central Nigeria Gurumyen, George Yilzem; Jarikre, Theophilus Aghogho; Tanko, Polycarp Nwunuji; Taiwo, Olusegun Victor; Abiayi, Elmina A.; Asare, Derrick Adu; Bitrus, Asinamai Athliamai; Emikpe, Benjamin Obukowho
Media Kedokteran Hewan Vol. 37 No. 2 (2026): Media Kedokteran Hewan
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/mkh.v37i2.2026.179-193

Abstract

Leptospirosis is an emerging, neglected and underreported zoonotic disease. With limited records of circulating Leptospira serovars in Nigeria. This study aimed to investigate Leptospira serovars and its associated factors in dogs in Jos, Plateau State, Nigeria. A total of 180 blood samples were collected from dogs presented to two veterinary facilities between January 2024 and March 2025. The samples were screened using the microscopic agglutination test (MAT) against eight Leptospira serovars. Data were analyzed using chi-square statistics to determine the associations between infection status and associated factors. Serovar Mini (34.4%) and Icterohaemorrhagiae (22.2%) had the highest seroprevalence rates among the sampled dogs. Mixed infections were common (45%), single-serovar infections were 20%, and 35% were negative. Age was significantly associated with infection (P< 0.001), with dogs aged ≤ 2 years showing the highest infection rate. Pyrexia was consistent in dogs infected with serovars Icterohaemorrhagiae and Mini serovars. To the best of our knowledge, this study provides the first serological evidence of Leptospira serovar Mini in dogs, whereas Icterohaemorrhagiae, Canicola, Grippotyphosa, Tarassovi, Bratislava, Pomona, and Hardjo continue to co-circulating in Nigeria. Hence, the need for genomic surveillance and the development of canine Leptospira vaccines to reflect circulating serovars in Nigeria.
Co-Authors Abiayi, Elmina A. Abiola, John Olusoji Adejumobi, Olumuyiwa Abiola Adekunle, Usman Abdulrauf Ajani, Tola Felicia Orotusin Ajayi, John Olurotimi Alaka, Olugbenga Olayinka Asare, Derrick Adu Bitrus, Asinamai Athliamai Bolaji, Oluwadarasimi Faith Emikpe, Benjamin Obukowho Emikpe, Benjamin Obukuwho Eyarefe, Oghenemega David Fagbohun, Olusegun Adesina Gurumyen, George Yilzem Ohore, Obokparo Godspower Okandeji, Michael Efeturi Ola, Olawale Olawumi Olaifa, Olanrewaju Samuel Omobowale , Temidayo Olutayo Omosekeji, Linda Chinyere Onoja, Moyinoluwa Julianah Oyeyemi, Matthew Olugbenga Shakiru, Habeeb Taiwo, Olusegun Victor Taiwo, Victor Olusegun Tanko, Polycarp Nwunuji Tijani, Monsuru Oladunjoye Usman, Abdulrauf Adekunle