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1.
Acta sci. vet. (Impr.) ; 50(supl.1): Pub. 839, 2022.
Article in English | VETINDEX | ID: biblio-1415132

ABSTRACT

Background: Tyrosine kinase inhibitors (TKIs) may sensitize neoplasms to conventional antineoplastic agents, however such studies are scarse in the veterinary literature and there is no in vivo study about this subject. Although the literature recommend consensual about the use of masitinib for unresectable or metastatic MCTs, the potential of tumour sensitization to chemotherapeutic agents exerted by the drug is poorly explored in veterinary medicine. The objective of this paper was to report, for the first time, the sensitization of 2 canine mast cell tumours (MCTs) to lomustine, with the use of 2 tyrosine kinase inhibitors: masitinib and toceranib. Cases: Two dogs were referred due tumour recurrence in the left pelvic limb (dog 1), and unilateral mass in the right nasal mucocutaneous region (dog 2). The first case was a 8-year-old female Pinscher, and the second case refers to a 8-year-old male mixed-breed dog. Fine needle aspiration of both lesions was performed, and the cytological analysis were compatible with high grade canine MCT. In the first case, it was started a chemotherapeutic treatment with intravenous vinblastine (2 mg/m² ), associated with prednisolone (40 mg/m2 , every 24 h for 7 days), followed by 25 mg/m2 every 24 h, for more 30 days, tramadol (4 mg/kg every 8 h, until new recommendations) and gabapentin (3 mg/kg every 12 h, until new recommendations). However, there was no objective response, and vinblastine was substituted by lomustine (60 mg/m2 every 21 days), however there was also no response after 2 doses. After masitinib importation, the same was started at 12.5 mg/kg orally every 24 h, but there was also no objective response. However, after new lomustine administration the lesion showed complete remission. The second dog initiated its treatment with toceranib, recently licensed in Brazil, at a dosage of 2.7 mg/kg every 48 h, and after 30 days, there was partial remission. However, the remaining lesion still deemed unresectable, and systemic chemotherapy with lomustine (50 mg/m2 ) was initiated along with continuous toceranib. After 3 weeks of the first chemotherapy complete remission was noted and a second dose was administered. Once the patient remained in complete clinical remission, only toceranib was maintained at the same dose. After 11 months using the toceranib, there was sign of disease recurrence and lomustine was re-initiated resulting in complete remission. Discussion: The TKIs masitinib and toceranib might be considered the first-line therapy for unresectable and/or metastatic canine MCT, but also for those cases with confirmed internal tandem duplications in the exon 11 of the c-KIT protooncogene. Masitinib appears to be more selective than others TKI, such as toceranib, imatinib, dasatinib and sunitinib, because it causes weak inhibition of BCR/ABL (breakpoint cluster region-Abelson), Fms (macrophage colony-stimulating factor receptor), Flt-3 (FMS-like tyrosine kinase-3) and VEGFR (vascular endothelial growth factor receptor), which may partially explains its increased safety and lower risk of cardiotoxicity. In the first case, the animal has been treated with lomustine associated to masitinib and showed a progression-free interval of 33 days, however, the response reported may have been lower, due previously exposition to chemotherapeutic agents, which might compromise the response to TKI. The second case, with the association of lomustine and toceranib, was followed up for 365 days, presenting only one recurrence in the final third of the follow-up, however, with subsequent new complete remission. Sensitization of canine MCT to lomustine with TKIs increases the therapeutic possibilities for this neoplasm, mainly in patients with advanced stage and high-grade tumours.


Subject(s)
Animals , Dogs , Protein-Tyrosine Kinases/antagonists & inhibitors , Mastocytoma/drug therapy , Lomustine/analysis , Mast Cells/drug effects
2.
Acta sci. vet. (Online) ; 49(suppl.1): Pub. 611, 28 fev. 2021. ilus, tab
Article in Portuguese | VETINDEX | ID: vti-30650

ABSTRACT

Background: Peripheral neuropathies result in sensory, motor or autonomic dysfunctions due to impairment of peripheral spinal or cranial nerves. Neoplasms such as lymphoma are cited as one of the many aetiological causes and it mayaffect the nerve directly, by compression, or indirectly (paraneoplastic) by remote action of the neoplasm located in anextra-neural site. This study aimed to report two cases of cranial nerve neuropathy (trigeminal and facial) associated withcanine lymphoma, contributing to a better understanding of its paraneoplastic effects on the nervous system, as well asthe diagnosis and treatment of these conditions.Cases: Two cases of canine lymphoma associated with possible signs of paraneoplastic peripheral neuropathy were attendedat the Veterinary Hospital from the Universidade Federal de Minas Gerais (HV UFMG). Case 1. A spayed mixed breedbitch, with lethargy and unilateral exophthalmos. Brain computed tomography revealed a retrobulbar mass and cytology wasdiagnostic for extranodal lymphoma. Subsequent to computed tomography, the dog was presented with hypotrophy of thefacial musculature and difficulty in grasping food, consistent with trigeminal nerve palsy, which resolved after institutionof the 19-week chemotherapy protocol from the University of Wisconsin. Nevertheless, disease reccurred and a rescueprotocol was initiated. Case 2. A female Dalmatian, spayed, was diagnosed with multicentric lymphoma, after cytologyof the left mandibular lymph node. Chemotherapy was initiated with the same protocol of the previous case. However,the disease progressed and it was observed facial asymmetry with ptosis of the left eyelid, pina and lips, in addition todifficulty in grasping food, suggesting facial and trigeminal cranial nerve palsy. Clinical signs resolved after institutionof a rescue chemotherapy protocol. However, in both cases, disease progression and poor clinical condition resulted in...(AU)


Subject(s)
Animals , Female , Dogs , Lymphoma/veterinary , Trigeminal Nerve Diseases/veterinary , Facial Nerve Diseases/veterinary , Tomography/veterinary , Biopsy/veterinary
3.
Acta sci. vet. (Impr.) ; 49(suppl.1): Pub.611-Jan 4, 2021. ilus, tab
Article in Portuguese | VETINDEX | ID: biblio-1458474

ABSTRACT

Background: Peripheral neuropathies result in sensory, motor or autonomic dysfunctions due to impairment of peripheral spinal or cranial nerves. Neoplasms such as lymphoma are cited as one of the many aetiological causes and it mayaffect the nerve directly, by compression, or indirectly (paraneoplastic) by remote action of the neoplasm located in anextra-neural site. This study aimed to report two cases of cranial nerve neuropathy (trigeminal and facial) associated withcanine lymphoma, contributing to a better understanding of its paraneoplastic effects on the nervous system, as well asthe diagnosis and treatment of these conditions.Cases: Two cases of canine lymphoma associated with possible signs of paraneoplastic peripheral neuropathy were attendedat the Veterinary Hospital from the Universidade Federal de Minas Gerais (HV UFMG). Case 1. A spayed mixed breedbitch, with lethargy and unilateral exophthalmos. Brain computed tomography revealed a retrobulbar mass and cytology wasdiagnostic for extranodal lymphoma. Subsequent to computed tomography, the dog was presented with hypotrophy of thefacial musculature and difficulty in grasping food, consistent with trigeminal nerve palsy, which resolved after institutionof the 19-week chemotherapy protocol from the University of Wisconsin. Nevertheless, disease reccurred and a rescueprotocol was initiated. Case 2. A female Dalmatian, spayed, was diagnosed with multicentric lymphoma, after cytologyof the left mandibular lymph node. Chemotherapy was initiated with the same protocol of the previous case. However,the disease progressed and it was observed facial asymmetry with ptosis of the left eyelid, pina and lips, in addition todifficulty in grasping food, suggesting facial and trigeminal cranial nerve palsy. Clinical signs resolved after institutionof a rescue chemotherapy protocol. However, in both cases, disease progression and poor clinical condition resulted in...


Subject(s)
Female , Animals , Dogs , Facial Nerve Diseases/veterinary , Trigeminal Nerve Diseases/veterinary , Lymphoma/veterinary , Biopsy/veterinary , Tomography/veterinary
4.
Braz. J. Vet. Pathol. ; 14(3): 151-158, 2021. tab, ilus
Article in English | VETINDEX | ID: vti-33509

ABSTRACT

Sarcomas de partes moles (STS) representam um grupo heterogêneo de tumores com características histológicas e comportamento biológico semelhantes. Este estudo teve como objetivo descrever a correlação entre as características clínicas, histopatológicas e histomorfométricas do STS em cães. Os registros médicos foram revisados ​​para identificar todos os cães nos quais um STS foi diagnosticado entre 2006-2017. Trinta casos foram incluídos, e amostras de tumor e prontuários médicos foram recuperados. A maioria dos cães era mestiça (40%) e 80% dos STS localizavam-se no tecido conjuntivo subcutâneo. A classificação histopatológica mostrou que sarcoma indiferenciado (17%) e tumor de bainha de nervo periférico (30%) foram os STS mais comuns. O STS de grau I foi obtido em 50% dos casos (15/30), e os tumores de grau II ou III comprometeram 43% (13/30) e 7% (2/30), respectivamente. O índice mitótico variou de zero a 26 (5,8 ± 7,5). A razão núcleo: citoplasma aumentada foi moderadamente associada com maior grau de tumor (p = 0,05; rS = 0,361) e índice mitótico (p = 0,05; rS = 0,355), enquanto o número de microvasos foi positivamente correlacionado com o grau de diferenciação (p = 0,05 ; rS = 0,362) e pleomorfismo nuclear (p = 0,036; rS = 0,384). A histomorfometria mostrou-se útil na avaliação do STS, representando uma ferramenta adicional correlacionada a fatores prognósticos bem estabelecidos (grau histopatológico, grau de diferenciação, pleomorfismo nuclear). enquanto o número de microvasos foi positivamente correlacionado com o grau de diferenciação (p = 0,05; rS = 0,362) e pleomorfismo nuclear (p = 0,036; rS = 0,384). A histomorfometria mostrou-se útil na avaliação do STS, representando uma ferramenta adicional correlacionada a fatores prognósticos bem estabelecidos (grau histopatológico, grau de diferenciação, pleomorfismo nuclear). enquanto o número de microvasos foi positivamente correlacionado com o grau de diferenciação (p = 0,05; rS = 0,362) e pleomorfismo nuclear (p = 0,036; rS = 0,384). A histomorfometria mostrou-se útil na avaliação do STS, representando uma ferramenta adicional correlacionada a fatores prognósticos bem estabelecidos (grau histopatológico, grau de diferenciação, pleomorfismo nuclear).(AU)


Subject(s)
Animals , Dogs , Dogs , Sarcoma/diagnosis , Sarcoma/classification , Sarcoma/pathology , Cytoplasm
5.
Braz. j. vet. pathol ; 14(3): 151-158, 2021. tab, ilus
Article in English | VETINDEX | ID: biblio-1469802

ABSTRACT

Sarcomas de partes moles (STS) representam um grupo heterogêneo de tumores com características histológicas e comportamento biológico semelhantes. Este estudo teve como objetivo descrever a correlação entre as características clínicas, histopatológicas e histomorfométricas do STS em cães. Os registros médicos foram revisados ​​para identificar todos os cães nos quais um STS foi diagnosticado entre 2006-2017. Trinta casos foram incluídos, e amostras de tumor e prontuários médicos foram recuperados. A maioria dos cães era mestiça (40%) e 80% dos STS localizavam-se no tecido conjuntivo subcutâneo. A classificação histopatológica mostrou que sarcoma indiferenciado (17%) e tumor de bainha de nervo periférico (30%) foram os STS mais comuns. O STS de grau I foi obtido em 50% dos casos (15/30), e os tumores de grau II ou III comprometeram 43% (13/30) e 7% (2/30), respectivamente. O índice mitótico variou de zero a 26 (5,8 ± 7,5). A razão núcleo: citoplasma aumentada foi moderadamente associada com maior grau de tumor (p = 0,05; rS = 0,361) e índice mitótico (p = 0,05; rS = 0,355), enquanto o número de microvasos foi positivamente correlacionado com o grau de diferenciação (p = 0,05 ; rS = 0,362) e pleomorfismo nuclear (p = 0,036; rS = 0,384). A histomorfometria mostrou-se útil na avaliação do STS, representando uma ferramenta adicional correlacionada a fatores prognósticos bem estabelecidos (grau histopatológico, grau de diferenciação, pleomorfismo nuclear). enquanto o número de microvasos foi positivamente correlacionado com o grau de diferenciação (p = 0,05; rS = 0,362) e pleomorfismo nuclear (p = 0,036; rS = 0,384). A histomorfometria mostrou-se útil na avaliação do STS, representando uma ferramenta adicional correlacionada a fatores prognósticos bem estabelecidos (grau histopatológico, grau de diferenciação, pleomorfismo nuclear). enquanto o número de microvasos foi positivamente correlacionado com o grau de diferenciação (p = 0,05; rS = 0,362) e pleomorfismo nuclear (p = 0,036; rS = 0,384). A histomorfometria mostrou-se útil na avaliação do STS, representando uma ferramenta adicional correlacionada a fatores prognósticos bem estabelecidos (grau histopatológico, grau de diferenciação, pleomorfismo nuclear).


Subject(s)
Animals , Dogs , Dogs , Sarcoma/classification , Sarcoma/diagnosis , Sarcoma/pathology , Cytoplasm
6.
Acta sci. vet. (Online) ; 47(suppl.1): Pub. 441, Nov. 20, 2019. ilus
Article in English | VETINDEX | ID: vti-25793

ABSTRACT

Background: Sporotrichosis is a dermatozoonosis that affects mammals in general, with the domestic feline (Felis catus)being the most epidemiologically important species. However, diagnosis of this disease in dogs is important consideringthe proximity with people and with other communicants. The epidemiology of sporotrichosis is already known in somestates of Brazil, especially in the southeast region, but to the best of our knowledge there are no reports of sporotrichosisin non-human species in the state of Espírito Santo. This paper aimed at describing the first case of canine sporotrichosisin Espírito Santo, Brazil.Case: A 10 year-old Bull Terrier male dog was presented with nodular non-ulcerated lesions on the head and nodularulcerated lesion on the nasal planum. The dog had a previous diagnosis of a low-grade mast cell tumour and palpebralmelanoma. Mast cell tumour was treated with scrotum ablation (and orchiectomy) and bilateral inguinal lymph node removal, followed by chemotherapy with twelve intravenous infusion of vinblastine, along with prednisolone. Cutaneouslesions in the head and nasal planum appeared two months after finishing chemotherapy. At further anamnesis, the pet´sresponsible reported that the dog had the habit of hunting cats that entered the residence, which raised the hypothesis ofsporotrichosis. An undiagnostic cytology was performed, followed by a fungal culture, positive for Sporothrix schenckii.Treatment was then initiated with itraconazol (Oficial generic drug), at a dose of 10mg/kg/SID, until clinical remission,obtained after 60 days, maintaining it for 60 more days. Patient showed completed recovery, with no further complatintsafter a follow-up of more than 220 days.Discussion: Sporotrichosis is considered a rare disease in dogs, with isolated cases in the literature...(AU)


Subject(s)
Animals , Dogs , Sporotrichosis/therapy , Sporotrichosis/veterinary , Prednisolone , Mast-Cell Sarcoma/veterinary , Drug Therapy/veterinary
7.
Acta sci. vet. (Online) ; 47(suppl.1): Pub. 369, 2019. ilus, tab
Article in English | VETINDEX | ID: vti-20594

ABSTRACT

Background: Myeloma-related disorders are characterized by proliferation of neoplastic plasma cell or immature immunoglobulin secreting B-lymphocytes, and include multiple myeloma, M-macroglobulinemia and extra-medullary plasmacytoma(cutaneous or extra-cutaneous). Solitary osseous plasmacytoma (SOP) is considered an unique entity among extra-medullaryextra-cutaneous plasmacytoma. It is an unusual neoplasia in dogs, predominantly found in middle-aged to older animals,with a higher incidence in bones of axial skeleton. Dogs with vertebral SOP present neurological signs related to spinalcord compression, but progression to multiple myeloma is related to a poor outcome. As in humans, progression to multiple myeloma occurs in most cases, although it may take months or years from its initial presentation. SOPs biologicalbehaviour, incidence and prognostic are rarely documented. Chemotherapy with melphalan and prednisolone representthe most used protocol for multiple myeloma. However, in SOP, the combination of chemotherapy with local approachesis controversial before the evidence of systemic disease. This paper aims at reporting a case of SOP in a lumbar vertebraeof a dog, with systemic involvement.Case: A 11-year old male mixed breed dog was attended presenting muscle weakness, lethargy, anorexia, adipsia and intense pain manifestation. The dog also presented multiple skin nodules, previously diagnosed as a plasmacytoma, throughcytology. The dogs poor clinical condition and aggressive temper, associated with suspicious of an advanced myelomarelated disorder, resulted in the decision for humanized euthanasia. At necropsy, a pale, friable and hemorrhagic masswas identified on the L3 lumbar vertebrae, associated with an osteolytic bone lesion and spinal cord compression. Histopathological analyses revealed proliferation of plasma cells, with pale perinuclear halo, moderate cellular pleomorphism,10 binucleated cells and 10 mitotic figures per 10 high...(AU)


Subject(s)
Animals , Dogs , Plasmacytoma/veterinary , Bone Neoplasms/veterinary , Lumbar Vertebrae/pathology , Multiple Myeloma/veterinary
8.
Acta sci. vet. (Online) ; 47: Pub. 1640, 2019. tab, graf
Article in English | VETINDEX | ID: vti-19495

ABSTRACT

Background: Mammary tumours represent about 50 to 70% of all neoplasms in female dogs and their occurrence is directlyrelated to the reproductive status and patient´s age. The purpose of this research was to apply the Brazilian consensus ondiagnosis, prognosis and treatment of canine mammary tumours and to define the regional epidemiological aspects ofcanine mammary gland tumours in Vitoria metropolitan region (ES, Brazil) between 2012 and 2016 and to correlate themacroscopic characteristics such as lesion size and location of the neoplasm with histopathological diagnosis, tumoursgrade and lymph node metastasis.Materials, Methods & Results: Data were collected from the archives of the Laboratory of Animal Pathology of UVV andmedical records of patients attended at the Veterinary Hospital Prof. Ricardo Alexandre Hippler in 5 years (2012 to 2016). Theanimals were separated into groups by age to facilitate classification in the group with the highest occurrence of neoplasms. Theevaluation of the macroscopic characteristics was performed through the histopathological record described in the pathologylaboratory, for each patient, at the time of the initial evaluation. After descriptive analysis, data was correlated using Spearmanntest, and frequency dispersion was evaluated using chi-square test, both in the software Graph Pad Prism v. 6.01. This studyincluded 255 bitches and diagnosis of 486 lesions, once 48.6% of the dogs had more than one lesion, classified according tothe Brazilian Consensus for Canine Mammary Tumours and graded according to Elston and Ellis system. 86.8% of lesionswere consistent with actual mammary neoplasms, of which 67% were malignant and 20% were benign. Non-neoplastic lesionscorresponded to 7.2% of cases and 5.8% were extra-mammary neoplasms, with an increased incidence of lipomas (39.3%) andmast cell tumours (32.1%). Cross-breed dogs represented 26.7% of cases. Poodles (25.5%), Pinschers (9.8%) and Dachshund(4.7%)...(AU)


Subject(s)
Animals , Female , Dogs , Mammary Neoplasms, Animal/epidemiology , Neoplasm Staging/veterinary , Histological Techniques/veterinary , Age Factors
9.
Acta sci. vet. (Impr.) ; 47: Pub.1640-2019. tab, graf
Article in English | VETINDEX | ID: biblio-1458038

ABSTRACT

Background: Mammary tumours represent about 50 to 70% of all neoplasms in female dogs and their occurrence is directlyrelated to the reproductive status and patient´s age. The purpose of this research was to apply the Brazilian consensus ondiagnosis, prognosis and treatment of canine mammary tumours and to define the regional epidemiological aspects ofcanine mammary gland tumours in Vitoria metropolitan region (ES, Brazil) between 2012 and 2016 and to correlate themacroscopic characteristics such as lesion size and location of the neoplasm with histopathological diagnosis, tumoursgrade and lymph node metastasis.Materials, Methods & Results: Data were collected from the archives of the Laboratory of Animal Pathology of UVV andmedical records of patients attended at the Veterinary Hospital Prof. Ricardo Alexandre Hippler in 5 years (2012 to 2016). Theanimals were separated into groups by age to facilitate classification in the group with the highest occurrence of neoplasms. Theevaluation of the macroscopic characteristics was performed through the histopathological record described in the pathologylaboratory, for each patient, at the time of the initial evaluation. After descriptive analysis, data was correlated using Spearmanntest, and frequency dispersion was evaluated using chi-square test, both in the software Graph Pad Prism v. 6.01. This studyincluded 255 bitches and diagnosis of 486 lesions, once 48.6% of the dogs had more than one lesion, classified according tothe Brazilian Consensus for Canine Mammary Tumours and graded according to Elston and Ellis system. 86.8% of lesionswere consistent with actual mammary neoplasms, of which 67% were malignant and 20% were benign. Non-neoplastic lesionscorresponded to 7.2% of cases and 5.8% were extra-mammary neoplasms, with an increased incidence of lipomas (39.3%) andmast cell tumours (32.1%). Cross-breed dogs represented 26.7% of cases. Poodles (25.5%), Pinschers (9.8%) and Dachshund(4.7%)...


Subject(s)
Female , Animals , Dogs , Neoplasm Staging/veterinary , Mammary Neoplasms, Animal/epidemiology , Age Factors , Histological Techniques/veterinary
10.
Acta sci. vet. (Impr.) ; 47(suppl.1): Pub.369-2019. ilus, tab
Article in English | VETINDEX | ID: biblio-1458133

ABSTRACT

Background: Myeloma-related disorders are characterized by proliferation of neoplastic plasma cell or immature immunoglobulin secreting B-lymphocytes, and include multiple myeloma, M-macroglobulinemia and extra-medullary plasmacytoma(cutaneous or extra-cutaneous). Solitary osseous plasmacytoma (SOP) is considered an unique entity among extra-medullaryextra-cutaneous plasmacytoma. It is an unusual neoplasia in dogs, predominantly found in middle-aged to older animals,with a higher incidence in bones of axial skeleton. Dogs with vertebral SOP present neurological signs related to spinalcord compression, but progression to multiple myeloma is related to a poor outcome. As in humans, progression to multiple myeloma occurs in most cases, although it may take months or years from its initial presentation. SOP’s biologicalbehaviour, incidence and prognostic are rarely documented. Chemotherapy with melphalan and prednisolone representthe most used protocol for multiple myeloma. However, in SOP, the combination of chemotherapy with local approachesis controversial before the evidence of systemic disease. This paper aims at reporting a case of SOP in a lumbar vertebraeof a dog, with systemic involvement.Case: A 11-year old male mixed breed dog was attended presenting muscle weakness, lethargy, anorexia, adipsia and intense pain manifestation. The dog also presented multiple skin nodules, previously diagnosed as a plasmacytoma, throughcytology. The dog’s poor clinical condition and aggressive temper, associated with suspicious of an advanced myelomarelated disorder, resulted in the decision for humanized euthanasia. At necropsy, a pale, friable and hemorrhagic masswas identified on the L3 lumbar vertebrae, associated with an osteolytic bone lesion and spinal cord compression. Histopathological analyses revealed proliferation of plasma cells, with pale perinuclear halo, moderate cellular pleomorphism,10 binucleated cells and 10 mitotic figures per 10 high...


Subject(s)
Animals , Dogs , Multiple Myeloma/veterinary , Bone Neoplasms/veterinary , Plasmacytoma/veterinary , Lumbar Vertebrae/pathology
11.
Acta sci. vet. (Impr.) ; 47(suppl.1): Pub.441-2019. ilus
Article in English | VETINDEX | ID: biblio-1458205

ABSTRACT

Background: Sporotrichosis is a dermatozoonosis that affects mammals in general, with the domestic feline (Felis catus)being the most epidemiologically important species. However, diagnosis of this disease in dogs is important consideringthe proximity with people and with other communicants. The epidemiology of sporotrichosis is already known in somestates of Brazil, especially in the southeast region, but to the best of our knowledge there are no reports of sporotrichosisin non-human species in the state of Espírito Santo. This paper aimed at describing the first case of canine sporotrichosisin Espírito Santo, Brazil.Case: A 10 year-old Bull Terrier male dog was presented with nodular non-ulcerated lesions on the head and nodularulcerated lesion on the nasal planum. The dog had a previous diagnosis of a low-grade mast cell tumour and palpebralmelanoma. Mast cell tumour was treated with scrotum ablation (and orchiectomy) and bilateral inguinal lymph node removal, followed by chemotherapy with twelve intravenous infusion of vinblastine, along with prednisolone. Cutaneouslesions in the head and nasal planum appeared two months after finishing chemotherapy. At further anamnesis, the pet´sresponsible reported that the dog had the habit of hunting cats that entered the residence, which raised the hypothesis ofsporotrichosis. An undiagnostic cytology was performed, followed by a fungal culture, positive for Sporothrix schenckii.Treatment was then initiated with itraconazol (Oficial generic drug), at a dose of 10mg/kg/SID, until clinical remission,obtained after 60 days, maintaining it for 60 more days. Patient showed completed recovery, with no further complatintsafter a follow-up of more than 220 days.Discussion: Sporotrichosis is considered a rare disease in dogs, with isolated cases in the literature...


Subject(s)
Animals , Dogs , Sporotrichosis/therapy , Sporotrichosis/veterinary , Prednisolone , Mast-Cell Sarcoma/veterinary , Drug Therapy/veterinary
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