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M. N. Saulez A. Viljoen U. Kafka L. Rubio‐Martinez E. van Wilpe J. Steyl 《Equine Veterinary Education》2013,25(3):118-125
A 15‐year‐old Boerperd stallion presented for thyroid enlargement associated with inappetance. Ultrasonographic examination of the thyroid gland revealed an enlarged left lobe, which, on cytological examination, contained numerous anaplastic cells. A mixed C cell microfollicular thyroid carcinoma was diagnosed following histopathological examination of the excisional biopsy specimen. In order to determine metastasis, pulmonary radiographs revealed a poorly‐marginated soft tissue opacity caudo‐dorsal to the cardiac silhouette. Thyroid and pulmonary scintigraphy was performed comparing 99mTc‐sestamibi with 99mTc‐pertechnetate and no metastasis was detectable. Following hemithyroidectomy, the stallion made a full recovery without the need for neoadjuvant chemotherapy. Six months later, repeated thyroid and pulmonary scintigraphy using 99mTc‐sestamibi was normal. 相似文献
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Schoeman JP Stidworthy MF Penderis J Kafka U 《Journal of the South African Veterinary Association》2002,73(4):207-210
A 13-month-old, neutered, male Golden retriever presented with seizures and progressive depression. Clinical and neurological assessment was consistent with severe intracranial disease. The neurological condition progressively deteriorated and magnetic resonance imaging (MRI) revealed the presence of a large, contrast-enhancing, space-occupyingmass in the right cerebral hemisphere. Therapy with corticosteroids, mannitol and furosemide ameliorated the signs of depression and ataxia, but the owner elected euthanasia after 1 week. Post mortem examination of the brain confirmed the presence of a large haemorrhagic lesion in the right olfactory lobe, the histopathological appearance of which was consistent with cerebral cavernous haemangioma. This is the 1st case describing the MRI appearance of a cavernous haemangioma of the cerebrum in the veterinary literature. 相似文献
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E. J. McConnell M. G. Sanz U. C. M. Kafka N. M. Duncan 《Equine Veterinary Education》2014,26(11):610-615
This case report describes a geriatric gelding with a 2 month history of fast‐growing masses within the parotid and submandibular regions. The horse was dyspnoeic on presentation and upper airway endoscopy revealed partial airway obstruction at the level of the pharynx, secondary to a space‐occupying mass. Cytological evaluation of multiple fine‐needle aspirates obtained from the masses were suggestive of salivary gland neoplasia, therefore the horse was subjected to humane euthanasia. A computed tomographical scan was obtained post mortem and revealed a large multi‐lobulated mass involving both guttural pouches, resulting in 80% occlusion of the naso‐ and oropharynx. Histopathology confirmed a parotid salivary gland carcinoma (papillary‐cystic type). Salivary gland tumours are extremely rare in horses, with only a few cases reported in the literature. Treatment of these malignancies proves to be challenging, requiring complete parotidectomy or surgical debulkment, in combination with adjunctive therapy. 相似文献
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Kafka UC Carstens A Steenkamp G Symington H 《Journal of the South African Veterinary Association》2004,75(4):163-168
The purpose of this study was to determine the diagnostic value of magnetic resonance imaging (MRI) and computed tomography (CT) in oral masses of dogs. Nineteen dogs underwent clinical, MR and CT examinations. Eleven malignant and ten non-malignant masses were evaluated. Osteosarcoma was the most commonly found malignant oral mass and gingival hyperplasia was the most commonly found benign mass. The results showed that MRI provided more accurate information regarding the size of the masses and invasion of adjacent structures although MRI and CT show similar accuracy in assessment of bone invasion. Calcification and cortical bone erosion was better seen on CT images. Whereas contrast-MRI provided useful additional information, contrast-CT had no added benefit. In general, oral masses located in the caudal mandible, oropharynx and maxilla are better evaluated using MRI, once the histological type has been verified. 相似文献
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Epaminondas J. Paplomatas Sotirios E. Tjamos Anastasios A. Malandrakis Amalia L. Kafka Stavroula V. Zouvelou 《European journal of plant pathology / European Foundation for Plant Pathology》2005,112(2):183-189
The induced resistance potential of eleven compost samples that originated from four different countries (Greece, France, Netherlands and Israel) and were manufactured from various raw materials, was evaluated in an Arabidopsis thaliana–Verticillium dahliae pathosystem under greenhouse conditions using a novel Plexiglas chamber. Five out of eleven composts tested showed significant disease suppressiveness compared to the control treatment; three composts exhibited disease severity equal to the control, while in the other three composts, disease severity was higher than the control treatment. Two of the tested composts that showed strong or medium suppressiveness were further evaluated under field conditions against Verticillium wilt of eggplant. Neither of them significantly reduced disease severity or resulted in higher fruit yield in a semi-commercial field test although they could induce a systemic resistance response in the greenhouse. However, as a consequence of a growth-promoting effect, one of the compost samples tested in the field resulted in a significant yield increase compared with the other. 相似文献
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