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1.
Megaesophagus in an eight month old Siamese cat is described. Initially, a cause for the vomiting was not discovered and the cat was treated for pyloric spasm. Several months later the same cat, in poor physical condition, was presented with a palpable bulge along its ventral neck. At this time a very dilated and flaccid esophagus was found. An exploratory thoracotomy was done but a cause for the megaesophagus was not discovered.  相似文献   

2.
Megaesophagus attributable to lead toxicosis in a cat   总被引:1,自引:0,他引:1  
Megaesophagus attributable to lead toxicosis was diagnosed in a 3-year-old spayed domestic shorthair cat. The cat regurgitated when it was distressed by handling, and there was clinical evidence of laryngeal and pharyngeal dysfunction. The cat had macrocytic regenerative anemia, but did not have normoblastosis or basophilic stippling of RBC. The megaesophagus, pharyngeal/laryngeal dysfunction, and anemia resolved with calcium EDTA treatment.  相似文献   

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Megaesophagus developed subsequent to presumed pharyngeal trauma in a cow. Signs resolved after prolonged antibiotic treatment and supportive care.  相似文献   

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A 13-year-old 4.6-kg (10.2-lb) neutered male domestic long hair cat was evaluated because of a history of lethargy, exercise intolerance, and ventroflexion of the cervical portion of the vertebral column. After extensive assessment at the Veterinary Teaching Hospital at Michigan State University, the clinical signs were attributed to an aldosterone-secreting tumor of the adrenal gland. Subsequently, an insulin-secreting tumor of the pancreas as well as a functional parathyroid gland adenoma were diagnosed. All 3 masses were surgically removed, and the cat made a full recovery with complete resolution of clinical signs. The syndrome of multiple endocrine neoplasia is well described in humans, and the heritability of the condition has been confirmed. In cats and other species with 1 or more endocrine neoplasms, it is important to perform thorough clinical assessments of patients to identify other endocrine organs that may also be affected concurrently with neoplastic disease.  相似文献   

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An adult male cat presented to the Ontario Veterinary College after having a seizure at the humane society. The cat was diagnosed with primary hypoparathyroidism and was treated with calcium and vitamin D3 supplementation. Calcium supplementation included subcutaneous (SC) administration of diluted calcium gluconate according to protocols described in recent literature. Seven days after SC calcium administration, firm SC masses developed in the intrascapular area where the injections were given and in the dependent axillary area. These areas became raised, formed crusts, necrosed, and left scars. Although not histopathologically confirmed, the author postulates that this was a direct reaction to SC calcium gluconate administration.  相似文献   

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A 3-month-old foal with a history of persistent fever and leukocytosis was found to have pneumonia, ulceration of the squamous portion of the stomach, and dilatation of the distal portion of the esophagus. The foal was euthanatized and necropsied. The distal portion of the esophagus was severely dilated, and there was severe ulceration and mural thickening of the stomach at the cardia. Because of the severe gastric ulceration and mural thickening, the gastroesophageal junction was fixed in an open position, permitting gastroesophageal reflux. The megaesophagus and pneumonia were considered to have resulted from chronic gastroesophageal reflux.  相似文献   

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Calcinosis of multiple paws is described in two cats. A metastatic pathogenesis was supported by the laboratory findings of hyperphosphataemia and a calcium x phosphorus solubility product > 7 g/L. Hyperparathyroidism could not be confirmed because a valid feline parathyroid hormone assay was not available at the time. One cat was diagnosed with chronic renal failure and presented initially with an irregular nodular calcification on the chin. Dietary and medical management was unsuccessful and ultimately the animal was euthanased. Hyperthyroidism was diagnosed in another cat by laboratory findings and scintigraphic imaging. In addition, the cat had a hyperphosphataemia in the absence of azotaemia. Intravenous administration of radioactive iodine as (131)I was accompanied by reduction and normalization in serum total thyroxine and phosphorus concentrations and resulted in resolution of calcification in the paws.  相似文献   

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Abstract: A 4‐year‐old, domestic shorthair, female spayed cat was presented for decreased appetite and depression. Severe pancytopenia with erythrocyte autoagglutination was found. The cat was seronegative for feline immunodeficiency and leukemia viruses. Immune‐mediated hemolytic anemia was suspected but no response to treatment with a blood transfusion, enrofloxacin, and prednisone was observed. Blood and bone marrow smears obtained 11 days later contained Leishmania amastigotes in the cytoplasm of neutrophils and macrophages, respectively. Serologic and PCR testing of peripheral blood confirmed infection with Leishmania infantum. Despite treatment, the cat worsened clinically and was euthanized. At necropsy, visceral dissemination of the parasite was confirmed. The findings in this case indicate that visceral leishmaniasis should be considered as a differential diagnoses in cats with pancytopenia in areas endemic for Leishmania. In addition, amastigotes may be observed in peripheral blood neutrophils.  相似文献   

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Cysts of the protozoan Sarcocystis sp were found in skeletal and cardiac musculature in a 1.5-year-old cat with lymphosarcoma. The cat was FeLV-positive and had grossly visible neoplastic involvement of the spinal cord, mediastinum, bone marrow, and kidneys. Ultrastructural examination of the parasitic cyst wall suggested that the species in this case was different from that described in the only other reported case. It was hypothesized that immunosuppression from FeLV infection permitted an aberrant life cycle with encystment of Sarcocystis sp in this cat.  相似文献   

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A 2‐year‐old neutered male European short‐haired cat was presented for a persistent discharge from the scar of previous left eye enucleation, performed 6 months prior by the referring veterinarian. A surgical exploration of the orbit was performed and retained nictitating membrane glandular and conjunctival tissues were removed. Eleven days later, the cat developed an orbital pneumatosis caused by retrograde movement of air through a patent nasolacrimal system and diagnosed by survey radiographic examination of the skull. Nasolacrimal system patency was assessed by dacryocystography performed by injection of iodinated contrast medium under pressure into the orbital cavity. Computed tomography dacryocystography confirmed the radiographic findings. The condition resolved following dacryocystography, possibly as an inflammatory response to the contrast medium. To our knowledge, this is the first case of orbital pneumatosis reported in a cat.  相似文献   

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Chlorambucil is an alkylating agent commonly used in veterinary oncology for conditions including lymphoma. Chlorambucil neurotoxicity has been well recognized in human patients. Onsets of central nervous system signs, such as myoclonus, tremors, muscular twitching, agitation, and tonic-clonic seizures, have been reported in humans and laboratory animals treated with chlorambucil. This case of a cat with intestinal lymphoma represents the first veterinary patient reported to have chlorambucil-induced neurotoxicity. Neurotoxicity should be considered a potential side effect of chlorambucil therapy in veterinary patients.  相似文献   

19.
Orbital neoplasia with enophthalmos in a cat   总被引:4,自引:0,他引:4  
A 9-year-old cat was evaluated for left-sided enophthalmos and protrusion of the third eyelid. A primary orbital fibrosarcoma was diagnosed. During the orbital exploration, normal periorbital fascia could not be identified in the lateral and ventral region, thus accounting for the enophthalmos.  相似文献   

20.
An 8-year-old cat, with a history of ataxia that progressed to tetraparesis over a 5-day period, was evaluated. A lesion was localized to the sixth cervical (C6) to second thoracic (T2) spinal cord segments based on physical and neurological examination findings. Blood work was unremarkable, as was survey radiography of the thoracic and abdominal cavities. Cerebrospinal fluid analysis showed moderate neutrophilic inflammation. A definitive diagnosis was not made until necropsy, at which time intravascular fibrocartilaginous embolization (FCE) of the cervical spinal cord was identified. This is only the third published report of FCE in the feline species and the first such case involving the cervical spinal cord.  相似文献   

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