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Case Report



Case series of calcaneal osteomyelitis in patients with melioidosis

Karthik Babu Raj, Neeraj Kotteppattu Chandran, Manojan Thekkedath.




Abstract
Cited by 0 Articles

Background:
Melioidosis is an emerging infectious disease caused by the Gram-negative bacterium Burkholderia pseudomallei, which can lead to a range of clinical manifestations including acute septicaemia and chronic localized infections. Osteomyelitis is an uncommon but well-recognized complication of melioidosis, with the calcaneus being a relatively rare site of involvement.
Case Description:
The authors present a case series of three patients with calcaneal osteomyelitis caused by B. pseudomallei infection. All three patients presented with non-specific symptoms like fever and weight loss, followed by localized ankle/foot pain and swelling. Diagnosis was made based on imaging findings (radiographs and MRI) and isolation of Burkholderia pseudomallei from blood or pus cultures. Treatment involved a combination of initial intravenous antibiotic therapy (meropenem or ceftazidime) for 4-6 weeks, followed by oral trimethoprim-sulfamethoxazole for 6 months. One patient required surgical drainage of a plantar abscess. All patients had a favourable clinical outcome with resolution of osteomyelitis on follow-up imaging.
Conclusion:
Calcaneal osteomyelitis is a rare but potentially serious complication of melioidosis. Early recognition and prompt initiation of appropriate antibiotic therapy are crucial for favourable outcomes. Clinicians should maintain a high index of suspicion for osteomyelitis in patients with melioidosis, especially in patients from endemic areas as well as in patients with risk factors like diabetes. Close follow-up and monitoring for potential relapse or reactivation are essential, particularly in immunocompromised individuals.

Key words: Melioidosis, Burkholderia pseudomallei, Osteomyelitis, Calcaneal, Case series






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