[Orthopedic treatment of foals and cattle with Technovit].
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Biomedical subjects
Publications and source records attributed to J Arnbjerg.
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Multiple dental developmental abnormalities (e.g., dental impaction, partial eruption, oligodontia, enamel hypoplasia, and dentin hypoplasia) in a 10-month-old, female, Tanzanian tropical mixed-breed puppy are reported. Various permanent teeth were involved. These included impacted mandibular canine and first and third premolar teeth; a partially erupted maxillary canine tooth; oligodontia of a mandibular fourth premolar tooth; enamel hypoplasia of the maxillary and mandibular canine teeth, incisors, and premolars; and dentin hypoplasia of the maxillary incisors, maxillary premolars, and mandibular premolars. The puppy had clinical canine distemper at the age of two months and had no history of any other systemic nor generalized infection prior to the time when the dental abnormalities were observed.
Plain spinal radiography was performed in 40 dachshunds at regular intervals from 6 or 12 months of age to 2 years of age. A follow-up study at 3 to 4 years of age included 12 dogs. High incidence rates of intervertebral disk calcification were seen at 6 to 18 months of age. The number of dogs affected and number of calcified disks seemed to reach a steady level or a maximum at about 24 to 27 months of age. Dissolution of previously calcified disks without clinical signs was demonstrated, causing decreasing numbers of visibly calcified disks after 2 years of age. Radiographic examination for calcified intervertebral disks in the dachshund is recommended at 24 to 30 months of age for heritability studies and selective breeding.
In the cat, metastases from primary lung tumors (PLT) to distal bones have been described by Moore & Middleton (differentiated adenocarcinoma) and Pool et al. (squamous cell carcinoma) (16 22). This paper describes the radiological and pathological findings in a cat with metastatic undifferentiated papillary adenocarcinoma. The involvement of the toes was the initial sign leading to veterinary consultation.
Pyometra is not a very common problem in feline practice. When it occurs it often results in sterility in spite of proper medical treatment. Prostaglandins have been used in the treatment of reproductive abnormalities including pyometra in different animal species (Boothe 1984). Therefore it was taken in as a treatment of the pyometra in five breeding cats, where ovariohysterectomy was undesirable.
A case of glossitis calcinosa in a dog caused by Pasteurella multocida is reported. Swelling of the tongue and reduced appetite were the predominant clinical symptoms. Due to latent infections with P. multocida in many species there is a risk of bitewounds being infected with this microorganism. In order to find the carrier-rate of P. multocida samples in canines, teeth and gingiva of 121 dogs and 30 cats were examined bacteriologically, revealing a carrier rates of 55% and 80% respectively. The rate is significantly higher in dogs with poor oral hygiene (calcula), and there is a tendency towards small dogs being more at risk than large dogs and male cats more than females. The isolated strains of P. multocida were most sensitive to chloramphenicol and tetracycline whereas, many were resistent to penicillin and sulfa. The theory, that this pattern should be explained by the common use of the latter drugs in veterinary practice, is not valid under Danish conditions, where chloramphenicol and tetracycline are commonly used in the small animal clinic. Accordingly suspected P. multocida infections should be treated with chloramphenicol or tetracycline, until the result of a sensitivity test is available, and not with penicillin which today is the general routine.
The herd examined is considered to be a typical representative of Danish pigherds. The investigation shows that acroosteolysis is highly prevalent. As for most pathological conditions in the legs of pigs the condition is concentrated around the bigger of an uneven pair of toes. Frequency and extent of the lesions in the animals are increased with increasing age and with increasing difference in size between the paired toes. Acroosteolysis is caused by vasculitis in the distal vessels followed by osteolysis. During the later development of the condition there is no healing or callus formation in the osteolytic areas, but an extension of the free osseous areas with an apposition of osseous tissue is observed. The clinical manifestations are not specific. The condition is not hereditary, and there are no sex-correlations. The histological appearance is comparable to that of allergic reactions due to e.g. erysipeloid in pigs, and also to allergic acroosteolytic conditions in humans (Raynaud's phenomenon). Therefore, an allergic etiology cannot be rejected.