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Updated: Feb 18, 2026

Human Vastus Lateralis Skeletal Muscle Biopsy Using the Weil-Blakesley Conchotome
Published on: March 4, 2016
Extensive pyomyositis of vastus muscles.
Chong Yau Ong1, Jin Lee Lim2, Lourdes Ducusin Galang3
1Chong Yau Ong, Department of Family Medicine and General Medicine, Sengkang General Hospital, 378 Alexandra Road, 159964 Singapore.
A patient with diabetes experienced severe thigh pain due to Staphylococcus aureus pyomyositis. Prompt antibiotic treatment and surgical drainage led to recovery, highlighting diabetes as a risk factor for extensive abscesses.
Area of Science:
- Infectious Diseases
- Musculoskeletal Disorders
- Endocrinology
Background:
- Pyomyositis, a bacterial infection of the muscle, can present with varied symptoms.
- Diabetes mellitus is a known risk factor for infections due to its impact on immune function.
Observation:
- A patient presented with a month of low back and left thigh pain.
- Physical examination revealed signs consistent with a significant thigh abscess.
Findings:
- The patient was diagnosed with left thigh pyomyositis caused by Staphylococcus aureus.
- Despite a prolonged hospital stay, the patient recovered following antibiotic therapy and surgical abscess drainage.
Implications:
- This case underscores the importance of considering pyomyositis in patients with diabetes presenting with localized pain and immobility.
- The findings suggest that an immunocompromised state associated with diabetes may facilitate extensive pyomyositis development with minimal systemic symptoms.
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