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Case of a lung mass due to melioidosis in Mexico.
Am J Case Rep. 2015 May 06; 16:272-5.AJ

Abstract

BACKGROUND

Melioidosis, an infection caused by the gram-negative bacterium Burkholderia pseudomallei, is an important cause of pneumonia, skin infection, sepsis, and death in Southeast Asia and Australia, but is exceedingly rare in North America. Pulmonary melioidosis typically presents as acute bacterial pneumonia or cavitary lung lesions resembling tuberculosis.

CASE REPORT

We report melioidosis in a 70-year-old active smoker from Mexico with no history of travel to disease-endemic areas. The patient presented with a left supraclavicular abscess and a non-cavitary, left lung mass encasing a pulmonary vein. Incision and drainage of the patient's subcutaneous abscess isolated B. pseudomallei, and fine-needle aspiration of enlarged mediastinal lymph nodes revealed the presence of intracellular gram-negative bacilli with no evidence of malignancy. Biochemical tests determined that the strain the patient acquired from Mexico is identical to only 1 other isolate from Thailand.

CONCLUSIONS

This report highlights the blurring epidemiological borders of this organism, its rare presentation mimicking lung malignancy, and an aggressive antimicrobial treatment that resulted in resolution of the patient's symptoms.

Authors+Show Affiliations

Department of Medicine, University of California Irvine, UC Irvine Medical Center, Orange, CA, USA.Department of Medicine, Division of Pulmonary and Critical Care, University of California Irvine, UC Irvine Medical Center, Orange, CA, USA.Department of Medicine, Division of Infectious Disease, University of California Irvine, UC Irvine Medical Center, Orange, CA, USA.Department of Medicine, Division of Pulmonary and Critical Care, University of California Irvine, UC Irvine Medical Center, Orange, CA, USA.

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

25943405

Citation

Truong, Kimberly K., et al. "Case of a Lung Mass Due to Melioidosis in Mexico." The American Journal of Case Reports, vol. 16, 2015, pp. 272-5.
Truong KK, Moghaddam S, Al Saghbini S, et al. Case of a lung mass due to melioidosis in Mexico. Am J Case Rep. 2015;16:272-5.
Truong, K. K., Moghaddam, S., Al Saghbini, S., & Saatian, B. (2015). Case of a lung mass due to melioidosis in Mexico. The American Journal of Case Reports, 16, 272-5. https://doi.org/10.12659/AJCR.893182
Truong KK, et al. Case of a Lung Mass Due to Melioidosis in Mexico. Am J Case Rep. 2015 May 6;16:272-5. PubMed PMID: 25943405.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Case of a lung mass due to melioidosis in Mexico. AU - Truong,Kimberly K, AU - Moghaddam,Samer, AU - Al Saghbini,Samer, AU - Saatian,Bahman, Y1 - 2015/05/06/ PY - 2015/5/7/entrez PY - 2015/5/7/pubmed PY - 2016/1/8/medline SP - 272 EP - 5 JF - The American journal of case reports JO - Am J Case Rep VL - 16 N2 - BACKGROUND: Melioidosis, an infection caused by the gram-negative bacterium Burkholderia pseudomallei, is an important cause of pneumonia, skin infection, sepsis, and death in Southeast Asia and Australia, but is exceedingly rare in North America. Pulmonary melioidosis typically presents as acute bacterial pneumonia or cavitary lung lesions resembling tuberculosis. CASE REPORT: We report melioidosis in a 70-year-old active smoker from Mexico with no history of travel to disease-endemic areas. The patient presented with a left supraclavicular abscess and a non-cavitary, left lung mass encasing a pulmonary vein. Incision and drainage of the patient's subcutaneous abscess isolated B. pseudomallei, and fine-needle aspiration of enlarged mediastinal lymph nodes revealed the presence of intracellular gram-negative bacilli with no evidence of malignancy. Biochemical tests determined that the strain the patient acquired from Mexico is identical to only 1 other isolate from Thailand. CONCLUSIONS: This report highlights the blurring epidemiological borders of this organism, its rare presentation mimicking lung malignancy, and an aggressive antimicrobial treatment that resulted in resolution of the patient's symptoms. SN - 1941-5923 UR - https://www.unboundmedicine.com/medline/citation/25943405/Case_of_a_lung_mass_due_to_melioidosis_in_Mexico_ L2 - https://www.amjcaserep.com/download/index/idArt/893182 DB - PRIME DP - Unbound Medicine ER -