Ulcerative lichen planus is a rare variant of lichen planus presenting with chronic, painful bullae and ulceration of the feet, often with cicatricial sequelae evident.
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Famous quotes containing the word lichen:
“What do the botanists know? Our lives should go between the lichen and the bark. The eye may see for the hand, but not for the mind. We are still being born, and have as yet but a dim vision of sea and land, sun, moon, and stars, and shall not see clearly till after nine days at least.”
—Henry David Thoreau (1817–1862)