[Infections of the central nervous system in immunodeficiency]

Area of Science:

• Neurology
• Infectious Diseases
• Immunology

Background:

• Cancer treatments, transplantation, and immunology therapies often result in patient immunodeficiency.
• Immunodeficiency increases the risk of opportunistic infections, particularly affecting the central nervous system (CNS).

Purpose of the Study:

• To review the most significant opportunistic neurologic infections in immunocompromised patients.
• To outline clinical signs, symptoms, diagnostic approaches, and therapeutic options for these CNS infections.

Main Methods:

• Literature review focusing on opportunistic neurologic infections in immunocompromised patients.
• Synthesis of information on common pathogens, differential diagnoses, and treatment strategies.

Main Results:

• Common opportunistic CNS infections include those caused by varicella zoster virus (VZV), Cryptococcus neoformans, and Toxoplasma gondii.
• Less common causes of encephalitis include JC virus (JCV) and cytomegalovirus (CMV).
• Differential diagnoses are broad, encompassing non-opportunistic infections, neurotoxicity, CNS lymphoma, malignancy recurrence, and non-infectious conditions.

Conclusions:

• Effective management requires considering patient history, previous therapies, and neurologist involvement.
• Prompt diagnosis and appropriate treatment are crucial for managing opportunistic CNS infections in immunocompromised individuals.