Given the high frequency of cardiac involvement and complications in this series of AKD, diagnosis and treatment should not be delayed, and early IVIg treatment seems to improve the outcome.
PML during sarcoidosis is often misdiagnosed. It is not associated with severe CD4 lymphocytopenia. Fatality rate is high in comparison with PML associated with other conditions. Interrupting immunosuppression remains the mainstay of treatment.
Although oral manifestations of sarcoidosis are unusual, physicians should be aware that this specific localization is frequently the first manifestation of the disease. Treatment modalities range from observation in asymptomatic patients to immunosuppressants for severe involvement.
Cryptococcosis is a significant opportunistic infection during extra-thoracic sarcoidosis, which occurs in one-third of the cases in patients without any treatment; it is not associated to severe CD4 lymphocytopenia and has a good prognosis.
Increasing age at the diagnosis of uveitis, the presence of posterior synechiae and the positivity of high-resolution chest CT are associated with (18)F-FDG PET scan signs consistent with sarcoidosis.
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