Posterior Uveitis Overview
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Questions and Answers

What type of uveitis is less common but has a more serious visual prognosis?

  • Panuveitis
  • Posterior uveitis (correct)
  • Intermediate uveitis
  • Anterior uveitis
  • In cases of posterior uveitis, in what percentage of patients can a diagnostic label be given?

  • 90%
  • 50%
  • 30%
  • 70% (correct)
  • What type of therapy may be required for cases of posterior uveitis with an infectious or neoplastic cause?

  • Pain management
  • Surgical intervention
  • General antibiotics
  • Specific therapy (correct)
  • In cases of posterior uveitis, what factor should always be considered as an additional underlying cause?

    <p>HIV</p> Signup and view all the answers

    Where are systemic steroids or immunosuppressive drugs often required to control inflammation in posterior uveitis?

    <p>Orbital or systemic</p> Signup and view all the answers

    What is the most common cause of posterior uveitis in cases of congenital ocular toxoplasmosis?

    <p>Direct invasion of retinal cells by Toxoplasma Gondii organisms</p> Signup and view all the answers

    Which antibody is indicative of recent infection in toxoplasmosis?

    <p>IgM</p> Signup and view all the answers

    What is the tissue affinity of Toxoplasma Gondii, the causative organism of toxoplasmosis?

    <p>Predilection for retinal and neural tissues</p> Signup and view all the answers

    What treatment approach is usually taken when the macula or optic disc is threatened in cases of mild reactivation of toxoplasmosis?

    <p>Sulfonamides and pyrimethamine with systemic steroids</p> Signup and view all the answers

    Which part of the body serves as the animal reservoir for Toxoplasma Gondii?

    <p>Cat</p> Signup and view all the answers

    Which form of the Toxoplasma gondii organism is responsible for causing active infection and retinal necrosis?

    <p>Tachyzoite form</p> Signup and view all the answers

    In ocular toxocariasis, which of the following is typically observed in children aged 2-4 years?

    <p>Massive exudative white lesion containing the nematode in the posterior pole</p> Signup and view all the answers

    What is the maximum duration for which Toxoplasma gondii bradyzoites can remain viable and encysted in human tissues?

    <p>25 years</p> Signup and view all the answers

    Which of the following scenarios can potentially lead to reactivation of Toxoplasma gondii infection?

    <p>Both immunosuppression and non-immunosuppressive scenarios can lead to reactivation</p> Signup and view all the answers

    Which of the following best describes the typical location of Toxoplasma gondii bradyzoites in the human eye?

    <p>Bradyzoites are typically located in the neurosensory retina (NFL)</p> Signup and view all the answers

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