Toxoplasmosis Chorioretinitis

Ophthalmology

Overview

Definition

Parasitic infection of the retina and choroid.

Epidemiology

Varies globally depending on genetics, environment, or exposure.

Etiology & Risk Factors

  • Toxoplasma gondii (congenital or acquired via cat feces/undercooked meat).

Clinical Symptoms

  • Decreased vision
  • floaters
  • 'headlight in the fog' appearance on fundoscopy.

Clinical Approach

Diagnosis

  • Serology
  • Clinical exam.

Management

  • Pyrimethamine
  • Sulfadiazine
  • Folinic acid.

Complications

  • Permanent macular scarring and vision loss.