A 82-year-old woman has had increasing visual problems becau…
A 82-year-old woman has had increasing visual problems because of cloudiness and opacification of her eyes over the past two years. Her left eye is shown in the figure below. What pathologic process has most likely occurred in this woman?
Read DetailsA 42-year-old man develops white fluffy patches on the sides…
A 42-year-old man develops white fluffy patches on the sides of his tongue. These cannot be scraped off. The biopsy shows squamous hyperkeratosis, parakeratosis and “balloon cells”. Immunohistochemical staining is positive for EBV. Which of the following is the most likely risk factor for his oral lesions?
Read DetailsA 25-year-old man notices several 0.3-cm clear vesicles on h…
A 25-year-old man notices several 0.3-cm clear vesicles on his upper lip after a bout of influenza. The vesicles rupture, heaving shallow painful ulcers that heal over the course of 10 days. Three month later, after a skiing trip, similar vesicles develop, with the same pattern of healing. Which of the following microscopic findings is most likely to be associated with these lesions?
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