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41.
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ASSESSMENT OF SENTINEL LYMPH NODE METASTASIS IN CANINE MAMMARY GLAND TUMORS USING COMPUTED TOMOGRAPHIC INDIRECT LYMPHOGRAPHY 下载免费PDF全文
Christina Soultani Michail N. Patsikas Maria Karayannopoulou Samuel Jakovljevic Ioannis Chryssogonidis Lysimachos Papazoglou Nikolaos Papaioannou Paraskevi Papadopoulou Kyriaki Pavlidou Georgia M. Ilia Dimitrios G. Kaitzis Tatiana M. Ilia 《Veterinary radiology & ultrasound》2017,58(2):186-196
In the staging process of the breast cancer, demonstrating metastasis of the sentinel lymph node (SLN) has an important prognostic value, in both humans and animals. The aim of this prospective case‐control study was to determine the diagnostic value of computed tomographic indirect lymphography (CT‐LG) for detecting SLN metastasis in dogs with mammary cancer. Thirty‐three female dogs with tumors in the abdominal and inguinal mammary glands were prospectively selected and subjected to CT‐LG, 1 and 5 min after injection of 1 ml of contrast agent (iopamidol) in the subareolar tissue of the neoplastic and the contralateral normal mammary glands. The pattern of postcontrast opacification, degree of postcontrast enhancement, and size and shape were assessed in 65 SLNs in total and were correlated with histopathological findings. The absence of opacification or heterogeneous opacification 1 min after contrast medium injection showed the highest sensitivity, specificity, and accuracy (93%, 100%, and 98.4%, respectively). In images taken 1 min after injection, an absolute density value lower than 444 Hounsfield units (HU) in the center of the SLN also provided significant sensitivity and specificity (93.8% and 75%, respectively). The size and shape of the SLN (maximum and minimum diameter, maximum/minimum diameter ratio, maximum diameter/height of fifth thoracic vertebral body ratio) showed the lowest sensitivity and specificity. Results of this study support the hypothesis that CT‐LG could help in the assessment of SLN metastasis in cases of mammary gland tumors in dogs. 相似文献
43.
Induced sero-conversion in heifers with a field strain of bovine pestivirus–a comparison of methods and doses 总被引:1,自引:0,他引:1
Losses from pestivirus infection in a closed herd of cattle occurred over several years. In order to prevent further losses, controlled exposure of non-pregnant heifers to pestivirus from viraemic carrier animals was undertaken. Two initial experiments were conducted using either intra-nasal EDTA blood or field contact. Subsequently, other yearling heifers were inoculated with various dilutions of serum using subcutaneous, conjunctival and intra-nasal routes. Effective doses were determined. Neither inoculation nor contact infection produced any clinical illness. The highest dilutions of serum at which sero-conversion occurred were conjunctival, undiluted; intranasal, 10(-1) and subcutaneous 10(-5). With the subcutaneous route all heifers sero-converted at 10(-3). The results for the subcutaneous inoculations showed that the 50% infectious dose for cattle was not distinguishable from that determined in cell culture. Inoculation with a field strain of pestivirus in freeze-thawed serum has effectively and safely induced sero-conversion in heifers. Inoculation of all cattle at risk is considered necessary because no secondary transmission from inoculated heifers was observed. 相似文献
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Papazoglou LG Koutinas AF Plevraki AG Tontis D 《Journal of veterinary medicine. A, Physiology, pathology, clinical medicine》2001,48(7):391-400
The medical records of six dogs with primary intranasal transmissible venereal tumour (TVT) were reviewed. Epistaxis (4/6), serosangineous nasal discharge (2/6), oronasal fistulae (2/6), facial swelling (1/6) and submandibular lymphadenopathy (3/6) due to reactive hyperplasia (2/3) and metastasis (1/3) were the most common complaints and clinical findings. Diagnosis was made by rhinoscopy and confirmed by cytology and histopathology in five dogs and by cytology only in one dog. The microscopic appearance of the tumours with both diagnostic techniques was typical of TVT. Four cases were treated effectively with four to five weekly cycles of vincristine monotherapy that resulted in complete resolution of TVT masses in approximately 1 month. One case was resistant to this kind of treatment and another one was lost to follow-up. 相似文献
46.
Liver biochemical and histopathological findings in dogs with experimentally induced exocrine pancreatic insufficiency 下载免费PDF全文
K.K. Adamama-Moraitou T.S. Rallis L.G. Papazoglou A. Papasteriadis N. Roubies H. Kaldrimidou L.S. Leontides 《Canadian journal of veterinary research》2004,68(1):56-61
Routine liver biochemical parameters were evaluated in 8 dogs with exocrine pancreatic insufficiency (EPI) induced by surgical ligation of the pancreatic duct and the pancreatic branch of the pancreaticoduodenal artery and confirmed with the trypsin-like immunoreactivity test. Eight additional dogs were used as healthy controls. Data collection began at the 4th week postoperatively and continued weekly to the 21st week. In the dogs with EPI, the serum activity of alanine aminotransferase, aspartate aminotransferase, and alkaline phosphatase were consistently elevated. The serum total and conjugated bilirubin concentrations remained within normal limits throughout the experimental period. Histopathological study revealed hepatic lipidosis in the dogs with EPI. Therefore, since this condition seems to be an additional consequence of EPI in dogs, laboratory evaluation of dogs with EPI must include assessment of liver function, to determine if additional or different therapeutic measures are indicated. 相似文献
47.
Patsikas MN Karayannopoulou M Kaldrymidoy E Papazoglou LG Papadopoulou PL Tzegas SI Tziris NE Kaitzis DG Dimitriadis AS Dessiris AK 《Anatomia, histologia, embryologia》2006,35(4):228-234
The purpose of this investigation was to study the lymph drainage of the neoplastic mammary glands in the bitch using indirect lymphography. The main conclusions drawn from the study of 41 natural cases were as follows: the first or cranial thoracic and second or caudal thoracic neoplastic mammary glands usually drain into the ipsilateral axillary lymph nodes and rarely into the ipsilateral axillary and sternal lymph nodes, simultaneously. The third or cranial abdominal neoplastic mammary gland usually drains into the ipsilateral axillary and superficial inguinal lymph nodes simultaneously, but sometimes only cranially into the ipsilateral axillary lymph nodes. Rarely, it drains only caudally into the ipsilateral superficial inguinal and medial iliac lymph nodes, simultaneously. The fourth or caudal abdominal neoplastic mammary gland usually drains only caudally into the ipsilateral superficial inguinal lymph nodes. Rarely, it drains into the ipsilateral axillary and superficial inguinal lymph nodes simultaneously. The fifth or inguinal neoplastic mammary gland usually drains into the ipsilateral superficial inguinal lymph nodes but rarely, does it also drain into the ipsilateral popliteal lymph node and into a lymphatic plexus at the medial aspect of the ipsilateral thigh. Lymphatic connections between the neoplastic and adjacent normal mammary glands were demonstrated in only one case. The lymph drainage pattern of the neoplastic mammary glands is slightly different to that described in normal glands using the same radiographic method. 相似文献
48.
M. N. Patsikas L. G. Papazoglou A. Komninou A. K. Dessiris G. Tsimopoulos 《The Journal of small animal practice》1998,39(6):290-294
Hip dysplasia was diagnosed in three cats. Two were presented with a history of hindlimb lameness and the other had a history of constipation. All were confined for two weeks and showed considerable clinical improvement. At follow-up examination the cats were free of clinical signs despite the deterioration in the radiological appearance of their hips. Luxation or subluxation of the hips, insufficient development of the craniolateral acetabular edges, loss of the arched shape of the cranial subchondral acetabular bones, shallow acetabula and secondary degenerative changes on the femoral heads and necks were the main radiological findings in the affected cats. 相似文献
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DR THOMPSON D. RUGG PG SCOTT LG CRAMER† RA BARRICK† 《Australian veterinary journal》1994,71(6):161-164
SUMMARY An ivermectin-based jetting fluid was assessed for its efficacy in the prevention of blowfly strike and treatment of lice in long-wooled sheep. The ivermectin concentrate was diluted to 0.03 mg/mL and applied via a standard hand jetting technique. In insectary studies, using laboratory-reared Lucilia cuprina, sheep jetted with ivermectin were protected from induced breech and body strikes for 18 weeks after treatment. Merino and Corriedale sheep were equally protected, as were sheep subjected to 25 mm simulated rainfall at 1, 3 or 6 hours after jetting. Naturally occurring infestations of lice, Bovicola (Damalinia) ovis, were successfully treated with ivermectin jetting fluid in Merino and Corriedale sheep using a standard hand jetting technique. In addition, the efficacy of treatment was not affected by simulated rainfall at 1, 3 or 6 hours after treatment. 相似文献