Mycosis of the Plantar Surface of Foot Owing to Nondermatophyte Mold Nodulisporium griseobrunneum Mimicking a Tinea Pedi
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Mycosis of the Plantar Surface of Foot Owing to Nondermatophyte Mold Nodulisporium griseobrunneum Mimicking a Tinea Pedis Hari Pankaj Vanam . Sivarami Reddy Karumuri . Sri Shilpa Poojari . Shivaprakash Mandya Rudramurthy
Received: 20 April 2020 / Accepted: 6 August 2020 Ó Springer Nature B.V. 2020
Abstract Nondermatophyte molds (NDM) and dematiaceous molds are less frequently implicated as the etiological agents of tinea-like infections of the foot. Among the etiological agents, Hendersonula toruloidea (now, Nattrassia mangiferae), Scytalidium hyalinum, Alternaria species (spp.), and Fusarium spp. are infrequently associated with foot mycoses.
Handling Editor: Yuping Ran. Sivarami Reddy Karumuri and Sri Shilpa Poojari contributed equally to this work. Repository: ITS Sequence GenBank Accession number: MH507249.1 https://www.ncbi.nlm.nih.gov/nuccore/ MH507249.
Electronic supplementary material The online version of this article (https://doi.org/10.1007/s11046-020-00483-4) contains supplementary material, which is available to authorized users. H. P. Vanam (&) Mycology Division, Department of Microbiology, Bhaskar Medical College and General Hospital, Bhaskar Nagar, Yenkapally, Moinabad, R.R. District, Hyderabad, Telangana 500 075, India e-mail: [email protected] S. R. Karumuri Department of Dermatology (DVL), Bhaskar Medical College and General Hospital, Bhaskar Nagar, Yenkapally, Moinabad, R.R. District, Hyderabad, Telangana 500 075, India
Nodulisporium (N.) spp. is a mitosporic NDM, which has been implicated in human infections like cerebral phaeohyphomycosis and allergic fungal sinusitis. Here, we report N. griseobrunneum in a 9-year-old female with mycosis of the plantar surface of foot mimicking a tinea pedis. Potassium hydroxide mount of skin specimen demonstrated dichotomous branching septate hyphae. Fungal culture and molecular sequencing established N. griseobrunneum as the etiological agent. Antifungal susceptibility testing revealed lower MICs to all seven drugs tested including itraconazole (ITR). The patient was treated with ITR and topical terbinafine. To the best of our knowledge, this is the first communication depicting molecular confirmation of the etiologic agent and antifungal susceptibility data of the mycosis of the plantar surface of foot owing to N. griseobrunneum from India.
S. S. Poojari Oliva Skin and Hair Clinics, Hyderabad, Telangana 500 081, India S. M. Rudramurthy Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
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Mycopathologia
Keywords ITS sequencing Hypoxylon griseobrunneum Nodulisporium Anamorph Antifungal susceptibility Plantar dermatoses Tinealike
Introduction Nondermatophyte molds (NDM) and dematiaceous molds are less frequently implicated as the etiological agents of tinea-like infections of the thick keratinized skin of the soles of foot. Among the established etiologies, Hendersonula toruloidea (now, Nattrassia
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