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Case Report

Cutaneous Mucormycosis in a Patient with Diabetes Mellitus

The Ewha Medical Journal 2016;39(1):10-13. Published online: January 29, 2016

Department of Internal Medicine, Hongik Hospital, Seoul, Korea.

Corresponding author So-Yeon An. Department of Internal Medicine, Hongik Hospital, 225, Mokdong-ro, Yangcheon-gu, Seoul 07937, Korea. Tel: 82-2-2600-0437, Fax: 82-2-2697-4605, yeonigge00@naver.com
• Received: September 23, 2015   • Accepted: October 29, 2015

Copyright © 2016, The Ewha Medical Journal

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • Mucormycosis is a rare disease caused by fungi. Most commonly involved sites of mucormycosis infection are sinuses, lungs, skin and soft tissues. Systemic risk factors for mucormycosis are diabetes mellitus, neutropenia, corticosteroid use, hematological malignancies, organ transplantation, metabolic acidosis, deferoxamine use and advanced age. Local risk factors are history of trauma, burns, surgery and motor vehicle accidents. We present a case of cutaneous mucormycosis in a patient with diabetes mellitus. A 66-year-old female with uncontrolled diabetes mellitus, admitted with necrotizing lesion after minor abrasions on leg. We took a culture of the lesion and it is diagnosed with mucormycosis. Disease progressed despite administration of systemic amphotericin B. We performed above-knee amputation and changed antifungal agents into liposomal amphotericin B. A tissue biopsy showed nonseptate, irregularly wide fungal hyphae with frequent right-angle branching. Our case report suggests that patients with risk factors should be observed carefully.
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Fig. 1

(A) A photograph of the right shin. The tibia is exposed on the front of the right shin accompanying necrotizing tibialis anterior muscle. (B) The picture of the wound during debridement before the surgery. Portions of tibia, tibialis anterior muscle and gastrocnemius muscle are seen. Portions of peroneal longus muscle and soleus muscle are demonstrated, as well.

emj-39-10-g001.jpg
Fig. 2

Rhizopus spp. was found and identified in the experiment cultivating Rhizopus hyphae in pus with debridement which cultivated no septum. It formed a root-shaped hyphae (rhizoid; closed arrow) and an unbranched sporangiospore shaped object (open arrow) at the joining part between the stolon and sporangiospore.

emj-39-10-g002.jpg
Fig. 3

Many zygomycetes (nonseptate, irregularly wide fungal hyphae with frequent right-angle branching; closed arrow) invaded the blood vessel wall (H&E, ×400).

emj-39-10-g003.jpg

Figure & Data

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    • Epidemiology and Treatment Outcome of Mucormycosis in Khuzestan, Southwest of Iran
      Roohangiz Nashibi, Sara Afzalzadeh, Mohammad Javad Mohammadi, Ahmad Reza Yari, Farid Yousefi
      Archives of Clinical Infectious Diseases.2016;[Epub]     CrossRef

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    Cutaneous Mucormycosis in a Patient with Diabetes Mellitus
    Image Image Image
    Fig. 1 (A) A photograph of the right shin. The tibia is exposed on the front of the right shin accompanying necrotizing tibialis anterior muscle. (B) The picture of the wound during debridement before the surgery. Portions of tibia, tibialis anterior muscle and gastrocnemius muscle are seen. Portions of peroneal longus muscle and soleus muscle are demonstrated, as well.
    Fig. 2 Rhizopus spp. was found and identified in the experiment cultivating Rhizopus hyphae in pus with debridement which cultivated no septum. It formed a root-shaped hyphae (rhizoid; closed arrow) and an unbranched sporangiospore shaped object (open arrow) at the joining part between the stolon and sporangiospore.
    Fig. 3 Many zygomycetes (nonseptate, irregularly wide fungal hyphae with frequent right-angle branching; closed arrow) invaded the blood vessel wall (H&E, ×400).
    Cutaneous Mucormycosis in a Patient with Diabetes Mellitus
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