Pseudoxanthoma elasticum: clinical, histologic, and genetic studies--a report of two sisters.

CASE 1: A 24-year-old black woman was referred to our clinic in September 1999 by the department of dermatology. She was referred to confirm the diagnosis of pseudoxanthoma elasticum (PXE). Her medical history was normal.

Trypan blue staining of epiretinal membranes in proliferative vitreoretinopathy.

Objective: To determine whether trypan blue staining facilitates epiretinal membrane (ERM) removal in proliferative vitreoretinopathy.

Methods: In 10 patients undergoing vitrectomy for proliferative vitreoretinopathy, ERM peeling was performed without staining the tissue, until no additional ERMs were clearly visible. Then, after a fluid-air exchange, 0.