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 (C)</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 (C)</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 (B)</p> Signup and view all the answers

Which antibody is indicative of recent infection in toxoplasmosis?

<p>IgM (B)</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 (A)</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 (C)</p> Signup and view all the answers

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

<p>Cat (C)</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 (C)</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 (A)</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 (A)</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 (A)</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) (A)</p> Signup and view all the answers

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