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[Trichophyton violaceum infection occurring in a nursing home].
Nihon Ishinkin Gakkai Zasshi 2005; 46(4):279-84NI

Abstract

Six cases of Trichophyton (T.) violaceum infection seen in a nursing home are reported. A 66-year-old female (case 1) was found with tinea corporis on her face, chest and shoulder, associated with black dot ringworm. A KOH examination of hair showed endothrix parasitism. Reddish purple colonies were isolated from the patient on Sabouraud's dextrose agar, and intercalary and terminal chlamydospores were observed on slide culture. PCR-RFLP analysis of the microorganism showed a pattern of T. violaceum type. Therefore, the isolated fungus was identified as T. violaceum, a typical anthropophilic dermatophyte which had spread among residents and staffs easily. Using a mycological method, we examined 59 persons (21 residents and 38 staff members) who had had contact with case 1. The results were as follows. An 85-year-old female (case 2) and an 83-year-old female (case 3) were carriers of T. violaceum. A 23-year-old male (case 4) had tinea corporis on his right forearm due to T. violaceum. A 24-year-old male (case 5) probably had tinea corporis on his right forearm due to T. violaceum. One year after case 1's first visit to our clinic, we observed an 88-year-old female (case 6) of tinea capitis by T. violaceum. It seems that the organism was preserved in surroundings and members of the nursing home. The contagion in our cases could either have been caused by directly touching the person or by sharing their comb. PCR-RFLP analysis was performed within a short time, so that we managed effectively to select a way of treatment and to prevent the infection from spreading.

Authors+Show Affiliations

Aioi Dermatological Clinic, Yamagata, and Department of Dermatology, Kanazawa Medical University, Ishikawa, Japan.No affiliation info availableNo affiliation info available

Pub Type(s)

Case Reports
English Abstract
Journal Article

Language

jpn

PubMed ID

16282971

Citation

Kakutani, Hiroyuki, et al. "[Trichophyton Violaceum Infection Occurring in a Nursing Home]." Nihon Ishinkin Gakkai Zasshi = Japanese Journal of Medical Mycology, vol. 46, no. 4, 2005, pp. 279-84.
Kakutani H, Kakutani T, Mochizuki T. [Trichophyton violaceum infection occurring in a nursing home]. Nihon Ishinkin Gakkai Zasshi. 2005;46(4):279-84.
Kakutani, H., Kakutani, T., & Mochizuki, T. (2005). [Trichophyton violaceum infection occurring in a nursing home]. Nihon Ishinkin Gakkai Zasshi = Japanese Journal of Medical Mycology, 46(4), pp. 279-84.
Kakutani H, Kakutani T, Mochizuki T. [Trichophyton Violaceum Infection Occurring in a Nursing Home]. Nihon Ishinkin Gakkai Zasshi. 2005;46(4):279-84. PubMed PMID: 16282971.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Trichophyton violaceum infection occurring in a nursing home]. AU - Kakutani,Hiroyuki, AU - Kakutani,Takako, AU - Mochizuki,Takashi, PY - 2005/11/12/pubmed PY - 2006/1/21/medline PY - 2005/11/12/entrez SP - 279 EP - 84 JF - Nihon Ishinkin Gakkai zasshi = Japanese journal of medical mycology JO - Nihon Ishinkin Gakkai Zasshi VL - 46 IS - 4 N2 - Six cases of Trichophyton (T.) violaceum infection seen in a nursing home are reported. A 66-year-old female (case 1) was found with tinea corporis on her face, chest and shoulder, associated with black dot ringworm. A KOH examination of hair showed endothrix parasitism. Reddish purple colonies were isolated from the patient on Sabouraud's dextrose agar, and intercalary and terminal chlamydospores were observed on slide culture. PCR-RFLP analysis of the microorganism showed a pattern of T. violaceum type. Therefore, the isolated fungus was identified as T. violaceum, a typical anthropophilic dermatophyte which had spread among residents and staffs easily. Using a mycological method, we examined 59 persons (21 residents and 38 staff members) who had had contact with case 1. The results were as follows. An 85-year-old female (case 2) and an 83-year-old female (case 3) were carriers of T. violaceum. A 23-year-old male (case 4) had tinea corporis on his right forearm due to T. violaceum. A 24-year-old male (case 5) probably had tinea corporis on his right forearm due to T. violaceum. One year after case 1's first visit to our clinic, we observed an 88-year-old female (case 6) of tinea capitis by T. violaceum. It seems that the organism was preserved in surroundings and members of the nursing home. The contagion in our cases could either have been caused by directly touching the person or by sharing their comb. PCR-RFLP analysis was performed within a short time, so that we managed effectively to select a way of treatment and to prevent the infection from spreading. SN - 0916-4804 UR - https://www.unboundmedicine.com/medline/citation/16282971/[Trichophyton_violaceum_infection_occurring_in_a_nursing_home]_ L2 - http://joi.jlc.jst.go.jp/JST.Journalarchive/jjmm1990/46.279?lang=en&from=PubMed DB - PRIME DP - Unbound Medicine ER -