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1.
Korean Journal of Veterinary Research ; : 59-61, 2017.
Article Dans Anglais | WPRIM | ID: wpr-91204

Résumé

A 15-year-old castrated mixed breed dog presented due to a 5-month history of cough and difficulty in ambulation. Necropsy showed multiple periosteal and intramedullary infiltrative masses in the appendicular skeleton. In addition, single and multiple neoplastic nodules were observed in several organs, including the lungs, liver, kidney, and heart. Microscopically, several skeletal neoplastic masses and nodules in the parenchymal organs revealed similar changes. The neoplastic cells were spindle- to polygonal-shaped with prominent osteoid production and occasional cartilaginous and bone formation. Based on the gross findings and histopathology results, the case was diagnosed as multicentric osteosarcoma with systemic metastases.


Sujets)
Adolescent , Animaux , Chiens , Humains , Toux , Coeur , Rein , Foie , Poumon , Métastase tumorale , Ostéogenèse , Ostéosarcome , Squelette , Marche à pied
2.
Korean Journal of Veterinary Research ; : 269-271, 2016.
Article Dans Coréen | WPRIM | ID: wpr-215750

Résumé

A female domestic ferret (Mustela putorius furo) presented to a veterinary clinic with a clinical history of anorexia and poor body condition. Due to gradual deterioration of the body condition, explorative laparotomy was performed. Diffusely, the mesentery was severely thickened and adhered with prominent mesenteric lymph nodes. A portion of the mesentery and mesenteric lymph nodes were biopsied and fixed. Microscopic analysis revealed severe pyogranulomatous peritonitis and lymphadenitis, but staining revealed no bacterial organisms. However, immunohistochemistry for feline coronavirus exhibited strong immunoreactivity, primarily in the macrophages. Based on these results, the case was diagnosed as ferret coronavirus infection.

3.
Korean Journal of Veterinary Research ; : 273-276, 2016.
Article Dans Coréen | WPRIM | ID: wpr-215749

Résumé

Pericardial mesothelioma is a rare neoplasm in dogs. This report describes a case of pericardial mesothelioma in a 13-year-old Shih Tzu that presented with a clinical history of dyspnea. Hemorrhagic pericardial effusion and chylous pleural effusion with reactive mesothelial cells were identified by radiograph and cytology. Necropsy revealed multiple round nodules throughout the pericardium and regional lymph nodes in addition to chylothorax. Histopathology revealed invasive neoplasm on the pericardial surface with metastasis to the lymph nodes. The neoplastic cells were immunopositive to both cytokeratin and vimentin. Diagnosis of pericardial mesothelioma with regional lymph node metastasis was made.

4.
Korean Journal of Veterinary Research ; : 265-268, 2014.
Article Dans Anglais | WPRIM | ID: wpr-219578

Résumé

An adult female dog was presented for evaluation of mammary gland masses. Complete blood count and serum chemistry data were within normal limits. Fine-needle aspiration cytology of the mammary masses revealed clusters of malignant epithelial cells with clear cytoplasmic vacuoles. Based on histopathological findings, a diagnosis of lipid-rich mammary carcinoma was made. Approximately 5 weeks after surgical removal, the tumor recurred at the surgery site and metastasis to the tibia was detected. Due to the poor prognosis and deterioration of the condition, the dog was euthanized.


Sujets)
Adulte , Animaux , Chiens , Femelle , Humains , Cytoponction , Hémogramme , Chimie , Cytoplasme , Diagnostic , Cellules épithéliales , Glandes mammaires humaines , Métastase tumorale , Pronostic , Tibia , Vacuoles
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