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1.
Acta sci. vet. (Online) ; 47(suppl.1): Pub. 400, July 8, 2019. ilus
Artículo en Inglés | VETINDEX | ID: vti-21095

RESUMEN

Background: Intestinal neoplasms are uncommon in dogs and adenocarcinoma is the main histological type found. Thisneoplasm presents slow growth and high capacity of causing metastasis. Histologically speaking, neoplasm cells can presentsolid, tubular, papillary arrangement and note amorphous extra-cellular material. Clinically observed tenesmus, diarrhea,dyskinesia, hematochezia, mane, protrusion of the anus, weight loss, anorexia. The occurrence and clinicopathologicalaspects of tumors in dogs gastrointestinal tract, the rectal segment, remains poorly understood. Accordingly, the aim ofthe present study is to report a case on infiltrative rectal adenocarcinoma diagnosed in a dog.Case: A 7-year-old male dog representative of the Fila Brasileiro breed was presented to the Veterinary Hospital of University Federal Rural of Amazonia, with history of hyperthermia, anorexia, apathy and tenesmus. Imaging examinationsdepicted prostatomegaly. Exploratory laparotomy was performed and showed the thickening and hardening of the rectumsegment. The animal was subjected to euthanasia. Necroscopy showed increased rectal perimeter; the mucosa in its opening presented atypical cerebroid aspect and irregular surface, and areas dark red. The rectal segment depicted a thick wallof white color, irregular limits covering the muscular and adjacent sub-mucosa. The peri-rectal adipose tissue presentedpoor delimitation with the rectum, multiple greyish and reddish areas. Increased prostate and iliac lymph, and multi nodeof regular limits in the lungs. The histology of the rectal tissue depicted epithelium with differentiated neoformation,composed of atypical cells; nuclear anisocytosis, anisocariasis and hyperchromasia placed in small islands, cords or tubular formation. Neoplasm growth was unorganized and of infiltrative character. Some areas presented mucosal patterncells with Signal Ring morphologic. Multiple rectal blood...(AU)


Asunto(s)
Animales , Masculino , Perros , Adenocarcinoma/veterinaria , Fístula Rectal/veterinaria , Neoplasias del Recto/veterinaria , Inmunohistoquímica/veterinaria
2.
Acta sci. vet. (Impr.) ; 47(suppl.1): Pub.400-2019. ilus
Artículo en Inglés | VETINDEX | ID: biblio-1458164

RESUMEN

Background: Intestinal neoplasms are uncommon in dogs and adenocarcinoma is the main histological type found. Thisneoplasm presents slow growth and high capacity of causing metastasis. Histologically speaking, neoplasm cells can presentsolid, tubular, papillary arrangement and note amorphous extra-cellular material. Clinically observed tenesmus, diarrhea,dyskinesia, hematochezia, mane, protrusion of the anus, weight loss, anorexia. The occurrence and clinicopathologicalaspects of tumors in dogs’ gastrointestinal tract, the rectal segment, remains poorly understood. Accordingly, the aim ofthe present study is to report a case on infiltrative rectal adenocarcinoma diagnosed in a dog.Case: A 7-year-old male dog representative of the Fila Brasileiro breed was presented to the Veterinary Hospital of University Federal Rural of Amazonia, with history of hyperthermia, anorexia, apathy and tenesmus. Imaging examinationsdepicted prostatomegaly. Exploratory laparotomy was performed and showed the thickening and hardening of the rectumsegment. The animal was subjected to euthanasia. Necroscopy showed increased rectal perimeter; the mucosa in its opening presented atypical cerebroid aspect and irregular surface, and areas dark red. The rectal segment depicted a thick wallof white color, irregular limits covering the muscular and adjacent sub-mucosa. The peri-rectal adipose tissue presentedpoor delimitation with the rectum, multiple greyish and reddish areas. Increased prostate and iliac lymph, and multi nodeof regular limits in the lungs. The histology of the rectal tissue depicted epithelium with differentiated neoformation,composed of atypical cells; nuclear anisocytosis, anisocariasis and hyperchromasia placed in small islands, cords or tubular formation. Neoplasm growth was unorganized and of infiltrative character. Some areas presented mucosal patterncells with Signal Ring morphologic. Multiple rectal blood...


Asunto(s)
Masculino , Animales , Perros , Adenocarcinoma/veterinaria , Fístula Rectal/veterinaria , Neoplasias del Recto/veterinaria , Inmunohistoquímica/veterinaria
3.
Acta cir. bras. ; 31(6): 377-381, June 2016. ilus, graf
Artículo en Inglés | VETINDEX | ID: vti-20122

RESUMEN

PURPOSE:To evaluate the efficacy of ethyl-cyanoacrylate in the treatment of fístula-in-ano in rats with and without prior seton placement.METHODS:Thirty rats Wistar with fístula-in-ano produced surgically, distributed in three groups: group A (ethyl-cyanoacrylate) - treated by application of ethyl-cyanoacrylate into fístula tract; group B (seton + ethyl-cyanoacrylate) - seton placement followed by application of ethyl-cyanoacrylate into fístula tract, 30 days later; group C (control) - no treatment. After 60 days the animals were submited to euthanasia and the specimens were analyzed by pathologist. The results were analyzed by Chi-square test with significant value of p<0.05.RESULTS:One animal of group B died. Were found tracts fully healed: 7, 5 and 2, in groups A, B and C, respectivelly. There was a statistically significant difference between groups A and C (p=0.02). When joined all animals treated with glue (A + B) compared to group C there was also statistically significant difference (p=0.02).CONCLUSIONS:The use of ethyl-cyanoacrylate glue was effective in closing anal fistulae in rats. There was no advantage in the prior application of seton.(AU)


Asunto(s)
Animales , Ratas , Fístula Rectal/terapia , Fístula Rectal/veterinaria , Cianoacrilatos , Dispositivos de Expansión Tisular/veterinaria , Ratas Wistar
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