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Intracranial and dermatological cryptococcal infection in an immunocompetent man

Arun V Krishnan1, Alastair Corbett

  • 1Institute of Neurological Sciences, Prince of Wales Hospital and Prince of Wales Medical Research Institute, High Street, Randwick 2031 Sydney, Australia. A.Krishnan@unsw.edu.au

Insights

This case study highlights a 72-year-old man with Parkinson's Disease who developed Cryptococcus neoformans infection. The infection manifested as skin lesions and intracranial lesions, impacting his cognitive state.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Dermatology

Background:

  • Parkinson's Disease (PD) management can be complex, with patients experiencing various non-motor symptoms.
  • Co-infections can complicate the clinical presentation and management of neurodegenerative diseases.

Observation:

  • A 72-year-old male with a history of Parkinson's Disease presented with falls, cognitive decline, and depressed mood.
  • The patient developed multiple raised skin lesions.
  • Neurological examination revealed rigidity and bradykinesia, with limited improvement in mental state after medication adjustment.

Findings:

  • Biopsy of a skin lesion identified Cryptococcus neoformans.
  • Cerebral MRI revealed enhancing lesions in the left parietal lobe and right superior cerebellar peduncle.
  • These findings were consistent with intracranial cryptococcal infection.

Implications:

  • Cryptococcal infections should be considered in the differential diagnosis of patients with Parkinson's Disease presenting with neurological and dermatological changes.
  • Early diagnosis and treatment of Cryptococcus neoformans are crucial for managing co-infections in immunocompromised or neurologically compromised patients.
  • This case underscores the importance of a multidisciplinary approach in managing complex neurological conditions with superimposed infections.

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