Related Experiment Videos

Cerebral Nocardiosis in a patient with Waldenstrom's Macroglobulinaemia

Patrick Tapley1, Tanya G Cranfield, Godwin K Simon

  • 1Flat 1 York House Queen Alexandra Hospital Cosham Portsmouth PO6 3LY.

Acute Medicine
|May 25, 2011
PubMed

Insights

Nocardiosis, a rare brain infection caused by nocardia species, is presented in a patient with Waldenstrom's macroglobulinaemia. This case highlights a previously unreported presentation of cerebral nocardiosis in this patient population.

Area of Science:

  • Infectious Diseases
  • Neurology
  • Hematology

Background:

  • Nocardiosis is an infection caused by Nocardia species, Gram-positive aerobic filamentous bacilli found ubiquitously in the environment.
  • Pulmonary disease is the most common presentation of nocardiosis, affecting over 70% of patients.
  • Cerebral nocardiosis, a rare manifestation, accounts for approximately 2% of all brain abscesses.

Purpose of the Study:

  • To report a unique case of cerebral nocardiosis.
  • To highlight the occurrence of cerebral nocardiosis in a patient with Waldenstrom's macroglobulinaemia, a previously unreported association.

Main Methods:

  • Case report presentation.
  • Literature review for similar cases.

Main Results:

  • A patient with Waldenstrom's macroglobulinaemia developed cerebral nocardiosis.
  • This specific association between Waldenstrom's macroglobulinaemia and cerebral nocardiosis has not been previously documented in the literature.

Conclusions:

  • Cerebral nocardiosis can occur in immunocompromised patients, including those with hematological malignancies like Waldenstrom's macroglobulinaemia.
  • This case underscores the importance of considering Nocardia species in the differential diagnosis of brain abscesses, particularly in patients with underlying conditions.
  • Further research may be warranted to explore the potential link between Waldenstrom's macroglobulinaemia and an increased risk of Nocardia infections.

Related Concept Videos

Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
Cerebral Edema ll: Pathophysiology01:22

Cerebral Edema ll: Pathophysiology

Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...
Cerebral Edema l: Introduction01:19

Cerebral Edema l: Introduction

Cerebral edema is a pathological increase in brain water content that disrupts intracranial pressure regulation and impairs neurological function. Because the cranial vault is rigid, even modest increases in tissue volume can compromise cerebral perfusion, distort neural structures, and initiate secondary injury. Cerebral edema develops through four principal mechanisms: vasogenic, cytotoxic, interstitial, and ionic.Vasogenic EdemaVasogenic edema arises from disruption of the blood–brain...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...
Cytomegalovirus Disease01:27

Cytomegalovirus Disease

Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
Bacterial Meningitis01:24

Bacterial Meningitis

Bacterial meningitis is a severe infectious disease involving inflammation of the meninges, the protective membranes surrounding the brain and spinal cord. It occurs when pathogenic bacteria cross the blood–brain barrier and enter the cerebrospinal fluid. Common causative organisms include Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae type b, Listeria monocytogenes, and Escherichia coli K1. The exact route of entry varies by pathogen and host condition.Routes of Entry...