Biomedical subjects
P Boydell
Publications and source records attributed to P Boydell.
Horner's syndrome following vertical ramus osteotomy in a dog.
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Horner's syndrome associated with Neospora infection.
A working collie cross was presented with a three-month history of vague neurological signs and a right-sided Horner's syndrome. Denervation hypersensitivity testing suggested a first order syndrome. There was a significant positive titre to Neospora and clinical signs resolved completely following treatment.
Presumptive sialadenosis in a cat.
A cat was presented with signs associated with enlargement of the mandibular salivary glands. Histological findings were normal, consistent with a diagnosis of sialadenosis, and the cat responded to symptomatic treatment with oral phenobarbitone.
Iatrogenic pupillary dilation resembling Pourfour du Petit syndrome in three cats.
A condition resembling Pourfour du Petit syndrome, where there are signs of sympathetic hyperactivity to the eye, is described in three cats as a result of mild trauma to the middle ear cavity.
Idiopathic horner syndrome in the golden retriever.
OBJECTIVES: Various reports have noted a high incidence of idiopathic Horner syndrome in golden retriever dogs. The author seeks to document this condition in the breed. MATERIALS AND METHODS: A prospective study was made of cases of Horner syndrome in dogs referred to the author throughout a 10-year period. As part of the general clinical, ophthalmic, and neurologic examination, denervation hypersensitivity testing was performed to localize the responsible lesion. Follow-up results were obtained in all cases by repeat examination or telephone contact. RESULTS: Of 155 dogs in the study, 110 were golden retrievers, 100 of which were diagnosed as having idiopathic second order Horner syndrome. Ninety-five of the golden retrievers were male, some neutered. Signs resolved spontaneously in all cases within 6 months. CONCLUSIONS: There is a high incidence of idiopathic second order Horner syndrome in the male golden retriever.
Horner's syndrome following intrathoracic tube placement.
Two dogs developed unilateral Horner's syndrome attributable to the placement of a thoracic drainage tube. Signs resolved following removal of the chest drains.
Orbital fat prolapse in the dog.
Five dogs presented with varying degrees of subconjunctival swelling and enophthalmos. Biopsy revealed the subconjunctival tissue to be fat. Surgical excision in two cases resulted in resolution of the clinical signs and demonstrated that the fat came from the retrobulbar region.
Horner's syndrome following cervical spinal surgery in the dog.
Two dobermanns exhibited Horner's syndrome following the surgical treatment of cervical spondylopathy. Denervation hypersensitivity testing demonstrated a 2nd order lesion in both. Spontaneous resolution occurred within one month.
Systemic histiocytosis in the Bernese mountain dog.
Systemic histiocytosis is a rare familial histiocytic disorder seen in the Bernese mountain dog. This article documents six confirmed cases of the disease seen at the Animal Medical Centre between June 1992 and June 1994 and describes the different presentations of the disease, response to therapy and progression. Three of the dogs are still alive; of these, two are in remission six and 18 months later and in one case the owner refused treatment. Three of the cases were euthanased for humane reasons.
Idiopathic Horner's syndrome in the golden retriever.
A prospective study was made of cases of idiopathic Horner's syndrome in dogs referred to the author. Over a six-year period the condition was recorded in 62 golden retrievers. Examination suggested that the lesions affected the preganglionic neuron.
Drug combination side effects.
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Partial prolapse of the antero-medial corpus adiposum in the horse.
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