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BACKGROUND: Mycetoma is a chronic, localized, slowly progressing infection of the cutaneous and subcutaneous tissues caused either by fungi (eumycetoma or implantation mycosis) or by aerobic actinomycetes (actinomycetoma). It is acquired by traumatic implantation, most commonly in the tropics and subtropics, especially in rural agricultural communities. Although well recognized elsewhere in Asia, it has not been reported from the Lao People's Democratic Republic (Laos). CASE PRESENTATION: A 30 year-old female elementary school teacher and rice farmer from northeast Laos was admitted to Mahosot Hospital, Vientiane, with a massive growth on her left foot, without a history of trauma. The swelling had progressed slowly but painlessly over 5 years and multiple draining sinuses had developed. Ten days before admission the foot had increased considerably in size and became very painful, with multiple sinuses and discharge, preventing her from walking. Gram stain and bacterial culture of tissue biopsies revealed a branching filamentous Gram-positive bacterium that was subsequently identified as Actinomadura madurae by 16S rRNA gene amplification and sequencing. She was treated with long-term co-trimoxazole and multiple 3-week cycles of amikacin with a good therapeutic response. CONCLUSION: We report the first patient with actinomycetoma from Laos. The disease should be considered in the differential diagnosis of chronic skin and bone infections in patients from rural SE Asia.

Original publication

DOI

10.1186/1471-2334-12-349

Type

Journal article

Journal

BMC Infect Dis

Publication Date

12/12/2012

Volume

12

Keywords

Actinomycetales, Adult, Amikacin, Anti-Bacterial Agents, Biopsy, Cluster Analysis, DNA, Bacterial, DNA, Ribosomal, Female, Foot, Humans, Laos, Mycetoma, Phylogeny, RNA, Ribosomal, 16S, Sequence Analysis, DNA, Treatment Outcome, Trimethoprim, Sulfamethoxazole Drug Combination