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Primary cutaneous zygomycosis from a tertiary care centre in north-west India
Reprint requests: Dr Jagdish Chander, Professor & Head, Department of Microbiology, Government Medical College & Hospital Sector 32, Chandigarh 160 030, India e-mail: jchander@hotmail.com
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Abstract
Background & objectives:
Zygomycosis is highly invasive fungal infection, with high mortality rate. In most of patients, diabetes mellitus is an underlying factor but in primary cutaneous zygomycosis, presentation may be different. Here we present the description of clinical presentation, fungi isolated and management of cases with cutaneous zygomycosis seen in a tertiary care hospital in north India during 2001-2007.
Methods:
All patients diagnosed with primary cutaneous zygomycosis between November 2001 and September 2007 presenting with clinical diagnosis of necrotizing fasciitis were included. Detailed history of each patient was taken, clinical presentation, site of involvement, underlying illness and risk factor, if any were noted. The diagnosis was established by direct microscopic evidence of broad, aseptate or sparsely septate ribbon-like hyphae with right angle branching in KOH wet mount and histopathological examination of stained sections. Cultures were put up for fungal isolation and species identification. Outcome of the therapy was analysed.
Results:
Of the nine patients reviewed, only one had diabetes mellitus. Commonest risk factor was injection abscess (33.3%). Apophysomyces elegans was isolated in four cases, Saksenaea vasiformis and Absidia corymbifera in one each. The fungal culture was sterile in three cases. Mortality rate was high with only four patients responded well to surgical and/or medical therapy.
Interpretation & conclusion:
Primary cutaneous zygomycosis appears to be on rise in India that calls for high index of clinical suspicion and an early biopsy of the affected area for timely diagnosis. The standard treatment is a combination of amphotericin B therapy, surgical debridement, and reversal of the underlying disease or immunosuppression.
