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Microbiological Diagnosis: A Key to Successfully Managing Cryptococcal Osteomyelitis Coexisting With Leprosy
Archana Keche1, Sushree Sarathi1, Soma Jana1
1Microbiology, All India Institute of Medical Sciences, Raipur, Raipur, IND.
Abstract:
Cryptococcus neoformans, an encapsulated yeast-like fungus, can induce a varied array of symptoms like meningitis, cryptococcomas of the brain, spinal cord granuloma, and disseminated disease, more so in people with impaired immune systems. Nonetheless, osseous lesions are rare. A 27-year-old male presented with a painful ulcer on his left lateral ankle. His medical history revealed leprosy for the last three years. The patient underwent an incisional biopsy and surgical debridement, and both the samples grew Cryptococcus neoformans on culture. Cryptococcal osteomyelitis involving the calcaneus and tibia was established. The patient was treated with liposomal amphotericin B followed by fluconazole. Cryptococcal osteomyelitis, though uncommon, should be included in the differential diagnosis of chronic osteolytic lesions for optimal patient care. This case highlighted that early diagnosis and confirmation through microbiological investigations are crucial for the successful management of these rare and potentially debilitating infections, even in immunocompetent individuals.
Insights
Cryptococcus neoformans can cause rare bone infections (osteomyelitis), even in healthy individuals. Early diagnosis via microbiological tests is key for treating this debilitating fungal infection.
Area of Science:
- Mycology
- Infectious Diseases
- Orthopedics
Background:
- Cryptococcus neoformans is an encapsulated yeast-like fungus.
- It typically causes meningitis and disseminated disease, especially in immunocompromised individuals.
- Osseous (bone) lesions are a rare manifestation of cryptococcosis.
Observation:
- A 27-year-old male with a three-year history of leprosy presented with a painful ankle ulcer.
- Incisional biopsy and surgical debridement samples grew Cryptococcus neoformans.
- The patient was diagnosed with cryptococcal osteomyelitis affecting the calcaneus and tibia.
Findings:
- Successful treatment involved liposomal amphotericin B followed by fluconazole.
- This case demonstrates cryptococcal osteomyelitis in an immunocompetent individual with a history of leprosy.
- Cryptococcal osteomyelitis is an uncommon cause of chronic osteolytic lesions.
Implications:
- Cryptococcal osteomyelitis should be considered in the differential diagnosis of chronic osteolytic lesions.
- Early diagnosis and microbiological confirmation are crucial for successful management.
- This highlights the importance of considering rare fungal infections even in immunocompetent patients.
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