Scanning electron microscopy of acantholysis in pemphigus foliaceus Microscopia eletrônica de varredura da acantólise no pênfigo foliáceo

We performed scanning electron microscopy of an inverted blister roof in a case of pemphigus foliaceus. The loss of intercellular adherence could be easily seen with low magnification. The acantholytic keratinocytes displayed an irregular and sometimes polygonal contour. Round cells, typically seen...

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Bibliographic Details
Main Authors: Hiram Larangeira de Almeida Jr., Aline Hatzenberger Leitão, Gabriela Rossi, Nara Moreira Rocha, Ricardo Marques e Silva
Format: Article
Language:English
Published: Sociedade Brasileira de Dermatologia 2013-06-01
Series:Anais Brasileiros de Dermatologia
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Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962013000300456
Description
Summary:We performed scanning electron microscopy of an inverted blister roof in a case of pemphigus foliaceus. The loss of intercellular adherence could be easily seen with low magnification. The acantholytic keratinocytes displayed an irregular and sometimes polygonal contour. Round cells, typically seen in light microscopy, were also observed. The examination of a blister roof allows ultrastructural documentation of the acantholytic changes.<br>Realizamos microscopia eletr&#244;nica de varredura do teto invertido de uma bolha de um caso de p&#234;nfigo foli&#225;ceo. Com pequeno aumento, a perda da ades&#227;o intercelular p&#244;de ser vista claramente. Os queratin&#243;citos acantol&#237;ticos demostraram um contorno irregular, algumas vezes poligonal. C&#233;lulas arredondadas, como vistas tipicamente na microscopia &#243;ptica, tamb&#233;m foram observadas. O exame de um teto de bolha permite uma documenta&#231;&#227;o ultraestrutural das altera&#231;&#245;es acantol&#237;ticas.
ISSN:0365-0596
1806-4841