Cutaneous cryptococcosis resembling keratoacanthoma

ABSTRACT Cutaneous cryptococcosis is a manifestation of systemic cryptococcal infection, characterized by polymorphic skin lesions that can make diagnosis challenging. We report an HIV-positive patient with a solitary facial nodule, initially diagnosed as keratoacanthoma. Histopathology, fungal cult...

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Main Authors: Alex Panizza Jalkh, Naira Sulany Oliveira de Sousa, Juan Diego Ribeiro de Almeida, Flávia da Silva Fernandes, Kátia Santana Cruz, Hagen Frickmann, Marcus Vinícius Guimarães Lacerda, João Vicente Braga de Souza
Format: Article
Language:English
Published: Sociedade Brasileira de Medicina Tropical (SBMT) 2025-07-01
Series:Revista da Sociedade Brasileira de Medicina Tropical
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Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822025000100806&lng=en&tlng=en
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author Alex Panizza Jalkh
Naira Sulany Oliveira de Sousa
Juan Diego Ribeiro de Almeida
Flávia da Silva Fernandes
Kátia Santana Cruz
Hagen Frickmann
Marcus Vinícius Guimarães Lacerda
João Vicente Braga de Souza
author_facet Alex Panizza Jalkh
Naira Sulany Oliveira de Sousa
Juan Diego Ribeiro de Almeida
Flávia da Silva Fernandes
Kátia Santana Cruz
Hagen Frickmann
Marcus Vinícius Guimarães Lacerda
João Vicente Braga de Souza
author_sort Alex Panizza Jalkh
collection DOAJ
description ABSTRACT Cutaneous cryptococcosis is a manifestation of systemic cryptococcal infection, characterized by polymorphic skin lesions that can make diagnosis challenging. We report an HIV-positive patient with a solitary facial nodule, initially diagnosed as keratoacanthoma. Histopathology, fungal culture, and cerebrospinal fluid analysis confirmed disseminated cryptococcosis with central nervous system involvement caused by Cryptococcus neoformans genotype VNI. He was treated with amphotericin B followed by fluconazole, resulting in complete clinical resolution. This case underscores the need to consider disseminated cryptococcosis in the differential diagnosis of tumorlike skin lesions, particularly in HIV-positive patients.
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institution Kabale University
issn 1678-9849
language English
publishDate 2025-07-01
publisher Sociedade Brasileira de Medicina Tropical (SBMT)
record_format Article
series Revista da Sociedade Brasileira de Medicina Tropical
spelling doaj-art-5ad1e1042a2b4ec58e87772e5b7ff5de2025-08-20T03:33:14ZengSociedade Brasileira de Medicina Tropical (SBMT)Revista da Sociedade Brasileira de Medicina Tropical1678-98492025-07-015810.1590/0037-8682-0300-2024Cutaneous cryptococcosis resembling keratoacanthomaAlex Panizza Jalkhhttps://orcid.org/0009-0006-0892-9852Naira Sulany Oliveira de Sousahttps://orcid.org/0000-0002-9344-1192Juan Diego Ribeiro de Almeidahttps://orcid.org/0000-0002-9630-0029Flávia da Silva Fernandeshttps://orcid.org/0000-0003-1591-7025Kátia Santana Cruzhttps://orcid.org/0000-0002-3295-7937Hagen Frickmannhttps://orcid.org/0000-0002-8967-9528Marcus Vinícius Guimarães Lacerdahttps://orcid.org/0000-0003-3374-9985João Vicente Braga de Souzahttps://orcid.org/0000-0002-3163-7499ABSTRACT Cutaneous cryptococcosis is a manifestation of systemic cryptococcal infection, characterized by polymorphic skin lesions that can make diagnosis challenging. We report an HIV-positive patient with a solitary facial nodule, initially diagnosed as keratoacanthoma. Histopathology, fungal culture, and cerebrospinal fluid analysis confirmed disseminated cryptococcosis with central nervous system involvement caused by Cryptococcus neoformans genotype VNI. He was treated with amphotericin B followed by fluconazole, resulting in complete clinical resolution. This case underscores the need to consider disseminated cryptococcosis in the differential diagnosis of tumorlike skin lesions, particularly in HIV-positive patients.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822025000100806&lng=en&tlng=enCryptococcusCutaneous cryptococcosiskeratoacanthoma
spellingShingle Alex Panizza Jalkh
Naira Sulany Oliveira de Sousa
Juan Diego Ribeiro de Almeida
Flávia da Silva Fernandes
Kátia Santana Cruz
Hagen Frickmann
Marcus Vinícius Guimarães Lacerda
João Vicente Braga de Souza
Cutaneous cryptococcosis resembling keratoacanthoma
Revista da Sociedade Brasileira de Medicina Tropical
Cryptococcus
Cutaneous cryptococcosis
keratoacanthoma
title Cutaneous cryptococcosis resembling keratoacanthoma
title_full Cutaneous cryptococcosis resembling keratoacanthoma
title_fullStr Cutaneous cryptococcosis resembling keratoacanthoma
title_full_unstemmed Cutaneous cryptococcosis resembling keratoacanthoma
title_short Cutaneous cryptococcosis resembling keratoacanthoma
title_sort cutaneous cryptococcosis resembling keratoacanthoma
topic Cryptococcus
Cutaneous cryptococcosis
keratoacanthoma
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822025000100806&lng=en&tlng=en
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