Subcutaneous Fungal Infection Caused by a Non-sporulating Strain of Corynespora cassiicola Successfully Treated with Terbinafine

  • Chi-Hui Wang
  • Wei-Ti Chen
  • Sze-Wen Ting
  • Pei-Lun SunEmail author
Case Report


Corynespora cassiicola is a common plant pathogen, but C. cassiicola infection in human hosts is extremely rare. In this report, we present an 84-year-old male with long-term use of inhaled corticosteroids who developed a subcutaneous infection caused by C. cassiicola. The organism was isolated from both wound culture and biopsy specimen from the skin lesion. However, no microscopic diagnostic characters could be obtained because the isolates failed to sporulate on different culture media. Molecular diagnosis by amplification and sequencing of the internal transcribed spacer regions of ribosomal DNA was performed, and the sequences of the isolates were identical to those of C. cassiicola. The patient was treated successfully with oral terbinafine therapy for 12 weeks. In this report, we also review the epidemiology, clinical and therapeutic facets of cutaneous C. cassiicola infection.


Subcutaneous infection Mycoses Corynespora cassiicola Terbinafine 




Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no financial or non-financial conflicts of interest related to the subject matter or materials discussed in this article.


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© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Department of DermatologyChang Gung Memorial Hospital, Linkou BranchTaoyuanTaiwan
  2. 2.Department of DermatologyChang Gung Memorial Hospital, Keelung BranchKeelungTaiwan
  3. 3.College of MedicineChang Gung UniversityTaoyuanTaiwan
  4. 4.Research Laboratory of Medical Mycology, Department of DermatologyChang Gung Memorial Hospital, Linkou BranchTaoyuanTaiwan

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