The X factor.

A 45-year-old white woman presented with chronic bilateral, painless, progressive, peripheral vision loss. She was found to have bilateral optic atrophy and nonenhancing multifocal white matter lesions on magnetic resonance imaging of the brain. Cerebrospinal fluid analysis showed an elevated level of myelin basic protein.

Treatment of Ligneous Conjunctivitis Using Topical Plasminogen Therapy in an 8-Week-Old Female Infant.

An 8-week-old female infant presented with bilateral eyelid swelling and conjunctival membranes. She was diagnosed as having ligneous conjunctivitis. The membranes were excised but recurred despite topical cyclosporine, heparin, fresh frozen plasma, and systemic fresh frozen plasma transfusions.