P‐82 Mycosis fungoides in a cow with bovine leukosis virus
Identifieur interne : 008985 ( Main/Exploration ); précédent : 008984; suivant : 008986P‐82 Mycosis fungoides in a cow with bovine leukosis virus
Auteurs : M. A. F. Lopes [Brésil] ; L. G. Conceicao [Brésil] ; E. S. Costa [Brésil] ; M. F. B. Avanza [Brésil] ; R. L. Amorim [Brésil] ; M. P. Moraes [Brésil] ; F. Clare [Brésil]Source :
- Veterinary Dermatology [ 0959-4493 ] ; 2004-08.
Abstract
Mycosis fungoides (MF) is a cutaneous manifestation of a T‐cell lymphoma, which has been diagnosed in various species including one case in a 10‐month‐old calf. However, we are not aware of a case report of MF in an adult bovine or of this disease being associated with bovine leukosis virus infection. We report a case of a cow diagnosed with MF‐like disease and bovine leukosis virus. A 6‐year‐old Holstein cow was presented with a history of cutaneous masses, anorexia, weight loss and reduced milk production. This cow had delivered a healthy calf 49 days before admission. Two days before parturition, the owner had observed the first skin nodules, which had progressively enlarged. Physical examination revealed multiple alopecic hyperpigmented tumors, ranging from 2 to 7 cm in diameter, which were painful on palpation. Some of the lesions were ulcerated, although most were covered by dry and rough epidermis. No abnormality other than the skin lesions and emaciation was detected on clinical examination. Complete blood count revealed leukocytosis (23,450/μL), lymphocytosis (17,588/μL) and atypical lymphocytes. Plasma protein concentration was 6.8 g/dL. Agar gel immunodiffusion test for bovine leukosis virus was positive. Histopathological findings included a diffuse dermal lymphocytic infiltration and epitheliotropism. Immunohistochemistry revealed that neoplastic lymphocytes were CD3+ and CD79a– cells. Due to the poor prognosis, the cow was euthanized. This report describes a rare MF d’emblée‐like condition in a cow with bovine leukosis virus. Funding: Self‐funded.
Url:
DOI: 10.1111/j.1365-3164.2004.00414_82.x
Affiliations:
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Conceicao</name><affiliation wicri:level="3"><country xml:lang="fr">Brésil</country><wicri:regionArea>Universidade Federal de Viçosa, Minas Gerais, Brazil; Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, São Paulo</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Costa, E S" sort="Costa, E S" uniqKey="Costa E" first="E. S." last="Costa">E. S. Costa</name><affiliation wicri:level="3"><country xml:lang="fr">Brésil</country><wicri:regionArea>Universidade Federal de Viçosa, Minas Gerais, Brazil; Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, São Paulo</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Avanza, M F B" sort="Avanza, M F B" uniqKey="Avanza M" first="M. F. B." last="Avanza">M. F. B. Avanza</name><affiliation wicri:level="3"><country xml:lang="fr">Brésil</country><wicri:regionArea>Universidade Federal de Viçosa, Minas Gerais, Brazil; Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, São Paulo</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Amorim, R L" sort="Amorim, R L" uniqKey="Amorim R" first="R. L." last="Amorim">R. L. Amorim</name><affiliation wicri:level="3"><country xml:lang="fr">Brésil</country><wicri:regionArea>Universidade Federal de Viçosa, Minas Gerais, Brazil; Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, São Paulo</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Moraes, M P" sort="Moraes, M P" uniqKey="Moraes M" first="M. P." last="Moraes">M. P. Moraes</name><affiliation wicri:level="3"><country xml:lang="fr">Brésil</country><wicri:regionArea>Universidade Federal de Viçosa, Minas Gerais, Brazil; Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, São Paulo</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Clare, F" sort="Clare, F" uniqKey="Clare F" first="F." last="Clare">F. Clare</name><affiliation wicri:level="3"><country xml:lang="fr">Brésil</country><wicri:regionArea>Universidade Federal de Viçosa, Minas Gerais, Brazil; Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, São Paulo</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Veterinary Dermatology</title><title level="j" type="alt">VETERINARY DERMATOLOGY</title><idno type="ISSN">0959-4493</idno><idno type="eISSN">1365-3164</idno><imprint><biblScope unit="vol">15</biblScope><biblScope unit="page" from="67">67</biblScope><biblScope unit="page" to="67">67</biblScope><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2004-08">2004-08</date></imprint><idno type="ISSN">0959-4493</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0959-4493</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Mycosis fungoides (MF) is a cutaneous manifestation of a T‐cell lymphoma, which has been diagnosed in various species including one case in a 10‐month‐old calf. However, we are not aware of a case report of MF in an adult bovine or of this disease being associated with bovine leukosis virus infection. We report a case of a cow diagnosed with MF‐like disease and bovine leukosis virus. A 6‐year‐old Holstein cow was presented with a history of cutaneous masses, anorexia, weight loss and reduced milk production. This cow had delivered a healthy calf 49 days before admission. Two days before parturition, the owner had observed the first skin nodules, which had progressively enlarged. Physical examination revealed multiple alopecic hyperpigmented tumors, ranging from 2 to 7 cm in diameter, which were painful on palpation. Some of the lesions were ulcerated, although most were covered by dry and rough epidermis. No abnormality other than the skin lesions and emaciation was detected on clinical examination. Complete blood count revealed leukocytosis (23,450/μL), lymphocytosis (17,588/μL) and atypical lymphocytes. Plasma protein concentration was 6.8 g/dL. Agar gel immunodiffusion test for bovine leukosis virus was positive. Histopathological findings included a diffuse dermal lymphocytic infiltration and epitheliotropism. Immunohistochemistry revealed that neoplastic lymphocytes were CD3+ and CD79a– cells. Due to the poor prognosis, the cow was euthanized. This report describes a rare MF d’emblée‐like condition in a cow with bovine leukosis virus. Funding: Self‐funded.</div></front></TEI><affiliations><list><country><li>Brésil</li></country><region><li>État de São Paulo</li></region><settlement><li>São Paulo</li></settlement></list><tree><country name="Brésil"><region name="État de São Paulo"><name sortKey="Lopes, M A F" sort="Lopes, M A F" uniqKey="Lopes M" first="M. A. F." last="Lopes">M. A. F. Lopes</name></region><name sortKey="Amorim, R L" sort="Amorim, R L" uniqKey="Amorim R" first="R. L." last="Amorim">R. L. Amorim</name><name sortKey="Avanza, M F B" sort="Avanza, M F B" uniqKey="Avanza M" first="M. F. B." last="Avanza">M. F. B. Avanza</name><name sortKey="Clare, F" sort="Clare, F" uniqKey="Clare F" first="F." last="Clare">F. Clare</name><name sortKey="Conceicao, L G" sort="Conceicao, L G" uniqKey="Conceicao L" first="L. G." last="Conceicao">L. G. Conceicao</name><name sortKey="Costa, E S" sort="Costa, E S" uniqKey="Costa E" first="E. S." last="Costa">E. S. Costa</name><name sortKey="Moraes, M P" sort="Moraes, M P" uniqKey="Moraes M" first="M. P." last="Moraes">M. P. Moraes</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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