Vitreous Flashcards
What is the condition described in the photomicrograph? And what are evident?
Persistent fetal vasculature.
Prominent anterior fibrovascular plaque and persistent hyaloid artery.
What is this condition? And what are the characteristics of the tissues?
Bergmeister papilla.
Fingerlike projection of whitish tissue, fibroglial tissue, and loose fibrous connective tissue.
What is the condition described in these images?
Endophthalmitis.
What is this condition? And what do the arrows and arrowheads indicate?
Noninfectious uveitis.
Epithelioid histiocytes and scattered lymphocytes.
What does the image describe?
Vitreous condensations.
What is the condition described in this image?
Posterior vitreous detachment.
What do the images describe?
Retinal tears at the vitreous base and condensed vitreous attached to the anterior flap of the retinal tear.
What is the condition depicted in this image?
Long-standing total retinal detachment with macrocystic degeneration of the retina.
What is in between the arrows?
Preretinal membrane on the surface of the retina.
What do the images describe? And what is highlighted?
Macular holes and Muller cells and fibrous astrocytes.
What does the image emphasize?
Asteroid bodies and erythrocytic debris within the vitreous.
What type of polarized light photomicrograph is this?
Congo red-stained vitreous of patient with familial amyloid polyneuropathy.
What does the arrow indicate?
Perivascular sheathing associated with vitreous amyloidosis.
What does the image show? And what is the feature noted?
Sub-RPE infiltrates in a patient with primary intraocular lymphoma and speckled pigmentation over the tumor detachments of the RPE.
What does the image present? And what are the characteristics of the cells?
Cytologic preparation of vitreoretinal lymphoma.
Atypical cells with hyperchromatic nuclei, prominent nucleoli, and scant cytoplasm, and necrotic, smudgy cells.
What does the image demonstrate?
The detachment of the RPE by the tumor, overlying retinal gliosis, and intact Bruch membrane.
