A three-year-old, female Miniature Dachshund was presented with soft swelling on the left vulva as well as a solid mass with approximately 2 cm in diameter that was palpated in the deep soft tissue around the vaginal wall. Pus-like fluid was aspirated from the swelling, and contained a large number of neutrophils and bacteria as determined by cytological examination. Therapy consisted of incision and drainage of the swelling to remove the pus, and by washing with an antiseptic solution. In addition, the mass in the deep soft tissue was removed surgically using semiconductor laser surgical unit. After the surgery, the dog was administered by oral ampicillin and cloxacillin for two weeks after the surgery. The skin lesions were completely cured at 10 days after the surgery. Bacterial culture of the pus revealed the presence of Bacteroides sp. Histopathologically, the lesion consisted of abscess containing numerous neutrophils and macrophages surrounded by granulomatous tissue. Taken together, the present case was diagnosed with vulvar abscess caused by infection of a rare isolate Bacteroides sp.

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Two Shiba-inu diagnosed with atopic dermatitis were administrated by oral 4-O-methyl-glucurono-xylooligosaccharide, MeG-XOS. Both two dogs showed improvement of dermatitis and pruritic behavior after administration of MeG-XOS. In addition, serological IgE tests revealed that positive rates and the titer of allegen-specific IgE were decreased after administration of MeG-XOS. Furthermore, Canine Atopic Dermatitis extent severity index and itching score were also improved in the two dogs. No adverse reactions such as gastrointestinal problems were recognized during the study period. Based on our experiences, it is suggested that MeG-XOS is a functional food useful in dogs with atopic dermatitis.

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A cross-breed male dog had chronic bacterial bilateral otitis externa and was treated with antimicrobial drugs. Drainage and erosion were observed in both external ears. The drainage fluid contained neutrophils and rod-shaped bacteria and consequently bacterial culture and antimicrobial susceptibility testing were performed. Multidrug-resistant Pseudomonas aeruginosa was isolated, but the bacteria were susceptible to fosfomycin and ofloxacin. Thus, following washing of both external ears, the dog was treated by administering fosfomycin orally and applying ofloxacin ointment topically for 4 weeks. The dog was cured and no recurrence has been observed to date. It is important for bacterial culture and antimicrobial susceptibility testing to protect of multidrug-resistant bacterial otitis externa.

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A 5-year-old, castrated male, miniature dachshund, who had been fed a pet shop-made dry dog food presented with severe scales at the perioral area, erosion and ulcer on the footpads, erosion at the tip of the prepuce and around the anus. No systemic symptoms were found and blood tests did not show abnormalities. Histopathological findings revealed parakeratosis at both the epidermis and follicular epithelium and inflammation in the superficial dermis. The dog was suspected to have Generic dog food dermatosis and treated with the Sensitivity Control Light (Cod & Rice), (ROYAL CANIN Japon, Tokyo), which have appropriate minerals with enhancement for zinc and essential fatty acid. The skin lesions were dramatically improved in one week, and completely ameliorated in 4 weeks. Ingredients analysis of the food was implemented later, and zinc and copper levels were less than the standard in the AAFCO Adult Maintenance Minimum.

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A 3-year-old American Cocker Spaniel with bilateral obstruction of ear canals was treated 3 times with a video otoscope in conjunction with systemic administration of cefpodoxime proxetil and ketoconazole. The cleaning fluid containing polyoxyethylene octylphenyl ether was used for washing ear canals, and secretions filled and plugged the canals were removed by a straight grasping forceps. At the first visit, a video otoscope could not be inserted deeply because of obstruction of the ear canals, and the eardrums could not be detected. At 2nd treatment on the 12th day, swelling of the ear canals had been reduced and filthy hairs and cerumen could be easily removed followed by washing. By 3rd treatment on the 29th day, the lesions were further improved inasmuch as the handle of the malleus could be detected. The video otoscope makes it possible to provide safe and reliable treatments of ear canal lesions because of real-time imaging. Problems of the ear canals and eardrums of the present case were successfully improved by the treatments using the video otoscope, and the surgical procedure for the ear lesions was averted.

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