PATOLOGIA
Transcript of PATOLOGIA
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MICROSCOPIA
PROF. MSC. INAIARA ROCHA DE CARVALHO
GORSKI
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BASÓFILO EOSINÓFILO
NEUTRÓFILO LINFÓCITO
MONÓCITO
5 tipos principais de leucócitos
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LEUCÓCITOS FUNÇÕES
LINFÓCITO Linfócitos T: Possuem função de reconhecimento de antígenos além
de estimular a proliferação de outros linfócitos. Lt helper, Lt citotóxico
e Lt supressor.
Linfócitos B: Transforma-se em plasmócito que será uma célula
secretora de anticorpos com capacidade para migrar até o tecido
infectado.
Linfócito NK: Responsável pela lise de células infectadas por vírus e
células tumorais através da produção de leuporfirinas que destroem a
membrana celular, induzindo as células-alvo (infectada) à apoptose,
porém não produz resposta imune específica.
EOSINÓFILO reações alérgicas ou infecção por helmintos (vermes).
NEUTRÓFILO São as principais células de combate à bactérias, e está muito
presente em inflamações agudas
BASÓFILO São responsáveis pela liberação de mediadores inflamatórios de
ação rápida diretamente na corrente sanguínea, o que irá resultar em
um choque anafilático sistêmico. Gerando assim sintomas como
queda de pressão, edema, aumento do pH do estômago e morte
MONÓCITO Possuem atividade fagocitária e digestiva de moléculas antigênicas e
de macromoléculas de difícil lise (quebra).
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Diferentes tipos de células glandulares endocervicais –
A e B: células secretoras;
C: células ciliadas;
D: núcleos nus de células glandulares endocervicais
CÉLULAS GLANDULARES ENDOCERVICAIS NORMAIS
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CÉLULAS ENDOCERVICAIS NORMAIS :COLUNARES
detalhes morfológicos de um grupamento de células colunares
endocervicais.
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CELULAS GLANDULARES ENDOCERVICAIS:
SECRETORAS
Grupamento de células glandulares secretoras normais
com padrão típico em favo de mel.
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CÉLULAS ENDOCERVICAIS NORMAIS: CILIADAS
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ECTOCÉRVICE NORMAL
CÉLULAS ESCAMOSAS SUPERFICIAIS
Células escamosas superficiais com citoplasma eosinofílico ou
basofílico. Um polimorfonuclear (seta).
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Ectocérvice: fundo inflamatório, aglomerado de
células metaplásicas/tipo reparação.
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Atrofia menopausal com grandes aglomerados de
células basais ou parabasais e alguns núcleos nus
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células parabasais
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células metaplásicas
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células superficiais
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Atrofia
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Alterações induzidas por radiação
Esfregaço de uma paciente tratada com radioterapia devido a um
câncer do canal anal: macrocitose, macronucleose e vacúolos
citoplasmáticos.
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Vacúolos citoplasmáticos e fagocitose de
polimorfonucleares.
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Normal Hipertrofia
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Hipertrofia
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HIPERTROFIA DO MIOCÁRDIO
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Próstata normal - humano
Hiperplasia prostática - humano
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Hiperplasia
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CÉLULAS ESCAMOSAS METAPLÁSICAS
Apresentam-se em placas, com presença de pontes
intercelulares e tem citoplasma homogêneo, às vezes
eosinofílico
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Metaplasia
Esôfago de Barrett
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Metaplasia
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Corte histológico de
rim normal. Aumento
de 10x.
Corte histológico de rim
com tumefação turva e
degeneração hidrópica.
Aumento de 10x.
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APOPTOSE
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NECROSE
CASEOSA
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Hepatócitos com necrose de
coagulação
Hepatócitos preservados
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Rim com necrose
coagulativa. Os
túbulos renais
perderam sua
morfologia original e a
células não
apresentam núcleo.
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Interface entre área de necrose de gordura e área de tecido adiposo preservado
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Observar áreas basofílicas (azuladas) que representam
deposição de cálcio