Reading of the mitsuda test: comparison between diameter and total area by means of a computerized method

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dc.creatorEdilamar Silva de Alecrim
dc.creatorAna Thereza Chaves
dc.creatorLuiz Alberto Bomjardim Pôrto
dc.creatorMaria Aparecida de Faria Grossi
dc.creatorSandra Lyon
dc.creatorManoel Otávio da Costa Rocha
dc.date.accessioned2024-01-10T20:21:46Z
dc.date.accessioned2025-09-08T23:42:52Z
dc.date.available2024-01-10T20:21:46Z
dc.date.issued2019
dc.format.mimetypepdf
dc.identifier.doi10.1590/s1678-9946201961005
dc.identifier.issn16789946
dc.identifier.urihttps://hdl.handle.net/1843/62549
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofRevista do Instituto de Medicina Tropical de São Paulo
dc.rightsAcesso Aberto
dc.subjectLeprosy
dc.subjectLepromin
dc.subjectDermoscopy
dc.subject.otherLeprosy
dc.subject.otherMitsuda test
dc.subject.otherDermatoscopy
dc.titleReading of the mitsuda test: comparison between diameter and total area by means of a computerized method
dc.typeArtigo de periódico
local.citation.epage5
local.citation.issuee5
local.citation.spage1
local.citation.volume61
local.description.resumoThe Mitsuda test is a skin test based on the individual’s immune response through late and highly specific hypersensitivity reaction to the Mycobacterium leprae bacillus. A negative reaction identifies individuals who present a higher risk of becoming ill if exposed to M. leprae and, if they become ill, to develop the virchowian form of disease. The Mitsuda test reading is performed by means of a millimeter ruler. The dermatoscopy is a method that has not been used in the evaluation of cutaneous tests, although its use has increased in several areas. The study aimed to compare the results between the standardized reading and the total area of the Mitsuda test obtained by a computerized method which was structured by the association of digital dermatoscopy, the Dermatology Web system and the Image Tool 3.0 software. Data collection was performed at the Dermatology Outpatient Clinic of the Eduardo de Menezes Hospital, in Belo Horizonte, from November 2015 to August 2016. The sample consisted of 100 leprosy domiciliary contacts. There was an excellent agreement between the Mitsuda test (diameter and area), with a coefficient greater than 80%, and an excellent correlation with the Spearman’s correlation coefficient (0.936). The intraclass correlation coefficient indicated a low (0.219) but significant agreement between the two measurements. In conclusion, there is a significant correlation between the standardized reading and the total area of the Mitsuda test. Digital dermoscopy can be an alternative instrument of evaluation, allowing the computerization and recording of the Mitsuda test.
local.publisher.countryBrasil
local.publisher.departmentMED - DEPARTAMENTO DE CLÍNICA MÉDICA
local.publisher.initialsUFMG
local.url.externahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46652019005000200doi:10.1590/s1678-9946201961005

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