Document Detail

A Chinese-Japanese boy with black dot ringworm due to Trichophyton violaceum.
MedLine Citation:
PMID:  16620219     Owner:  NLM     Status:  MEDLINE    
A 4-year and 8-month-old Chinese-Japanese boy, who had been visiting Dalian, China frequently, developed multiple alopecia lesions 1 year previously. At his initial visit to our department, multiple patchy alopecia with black dots was observed in the parietal scalp area. Multiple erythematous macules were also seen on the face, nape and right dorsum of the hand. A diagnosis of tinea capitis and tinea corporis was obtained on the basis of potassium hydroxide (KOH) microscopic examination of hair and scales from the lesions. Colonies grown on Sabouraud cycloheximide-chloramphenicol agar culture were examined using Fungi-Tape and MycoPerm-blue, and numerous microconidia and a small number of macroconidia were observed. Trichophyton violaceum was identified as the causative organism on the basis of colony morphology, microscopic morphology and molecular biology technique. As T. violaceum infection is not often seen in Japan, we suspected that the patient was infected by T. violaceum during his stay in Dalian. Conidia formation is rarely observed with T. violaceum, and only five cases with T. violaceum macroconidia formation have been reported in Japan (including this case). We also report the method for visualizing conidia formation of T. violaceum using Fungi-tape and MycoPerm-blue.
Maho Kondo; Naomi Nakano; Yumi Shiraki; Masataro Hiruma; Shigaku Ikeda; Takashi Sugita
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  The Journal of dermatology     Volume:  33     ISSN:  0385-2407     ISO Abbreviation:  J. Dermatol.     Publication Date:  2006 Mar 
Date Detail:
Created Date:  2006-04-19     Completed Date:  2006-06-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7600545     Medline TA:  J Dermatol     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  165-8     Citation Subset:  IM    
Department of Dermatology, Juntendo University School of Medicine, Tokyo, Japan.
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MeSH Terms
Asian Continental Ancestry Group
Child, Preschool
Tinea Capitis / diagnosis,  drug therapy,  microbiology*

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