2017
DOI: 10.1590/abd1806-4841.20176018
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Abstract: Superficial mycoses are fungal infections restricted to the stratum corneum and to the hair shafts, with no penetration in the epidermis; they are: white piedra, black piedra, tinea versicolor, and tinea nigra. This study presents images of mycological tests performed in the laboratory, as well as exams performed at the authors office, in order to improve the dermatologist's knowledge about the diagnosis of these dermatoses, which are common in many countries.

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Cited by 15 publications
(7 citation statements)
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“…In our study, piedra nodules could be identified clinically in 77% of the patients while they were clearly evident by dermoscopy in all patients. In clinically suspected cases of WP, the diagnosis can be confirmed using dermoscopy which can overcome the lack of diagnostic laboratories that offer mycological examinations in some hospitals 15 . The diagnosis of WP was further confirmed in our study by direct microscopic examination of KOH‐processed nodules and culture positivity in all patients.…”
Section: Discussionsupporting
confidence: 71%
“…In our study, piedra nodules could be identified clinically in 77% of the patients while they were clearly evident by dermoscopy in all patients. In clinically suspected cases of WP, the diagnosis can be confirmed using dermoscopy which can overcome the lack of diagnostic laboratories that offer mycological examinations in some hospitals 15 . The diagnosis of WP was further confirmed in our study by direct microscopic examination of KOH‐processed nodules and culture positivity in all patients.…”
Section: Discussionsupporting
confidence: 71%
“…However, not all dermatologists have access to laboratories in which mycological examinations can be performed. Therefore, knowing the most accessible propaedeutic and complementary methods to confirm the diagnosis is of great assistance 1 .…”
Section: Discussionmentioning
confidence: 99%
“…The most frequent types are dermatophytoses or tineas. They are divided into actual superficial mycoses, superficial cutaneous mycoses, and superficial cutaneous-mucosal mycoses 1 - 3 . In actual superficial mycoses, the host's cell-mediated immune response is minimal or absent.…”
Section: Introductionmentioning
confidence: 99%
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“…For many years, the origin of the author of this maneuver has been discussed in academic circles of Brazilian dermatology, with most believing it was a “surname” of French origin due to the fact that the last syllable was the tonic one, except for those who already knew him, and who started to spell the eponym correctly. 1 , 3 , 7 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19…”
mentioning
confidence: 99%