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Imaging patterns in melioidosis
Abstract:
Melioidosis is an infectious disease caused by Pseudomonas pseudomallei. It is seldom diagnosed promptly and, if untreated, can lead to an 80-100% mortality rate. Twenty-eight patients with melioidosis were identified over a 6 year period, and their imaging patterns were analysed. Respiratory infections were the commonest form of presentation, frequently shown as diffuse airspace consolidation, and accounted for the highest mortality. Visceral and musculoskeletal infections were associated with chronicity and a high relapse rate. Multifocal splenic abscesses were a common occurrence. Septic arthritis of the knee was frequently seen. The majority of patients had diabetes mellitus and chronic ill-health. An increased awareness of the disease can contribute to its early detection and appropriate treatment.
Insights
Melioidosis, caused by Pseudomonas pseudomallei, has a high mortality rate if untreated. Early detection through imaging analysis is crucial for timely intervention and improved patient outcomes.
Area of Science:
- Infectious Diseases
- Medical Imaging
- Microbiology
Background:
- Melioidosis is a severe infectious disease caused by Pseudomonas pseudomallei.
- Prompt diagnosis is often delayed, leading to high mortality rates (80-100%) if untreated.
- Understanding the clinical and imaging features is vital for early detection.
Purpose of the Study:
- To analyze the imaging patterns of melioidosis patients.
- To identify common presentations and associated risk factors.
- To emphasize the importance of increased awareness for early diagnosis and treatment.
Main Methods:
- Retrospective analysis of imaging patterns in 28 melioidosis patients over a 6-year period.
- Correlation of clinical presentation with imaging findings.
- Review of patient demographics and comorbidities.
Main Results:
- Respiratory infections were the most common presentation, associated with the highest mortality.
- Diffuse airspace consolidation was a frequent finding in respiratory melioidosis.
- Visceral and musculoskeletal infections indicated chronicity and high relapse rates, with splenic abscesses and septic arthritis of the knee being common.
- Diabetes mellitus and chronic ill-health were prevalent comorbidities.
Conclusions:
- Increased awareness of melioidosis imaging findings can facilitate earlier diagnosis.
- Prompt and appropriate treatment is essential to reduce the high mortality associated with this infection.
- Imaging plays a critical role in identifying diverse manifestations of melioidosis.