Ellicott's Commentary for English Readers - Leviticus 13:11
(11) It is an old leprosy.—Either of these symptoms showed that it was the re-appearance of the old distemper, and rendered quarantine needless. The priest is, therefore, to pronounce him unclean at once. read more
Ellicott's Commentary for English Readers - Leviticus 13:10
(10) If the rising be white.—If the distemper actually returns, one of two symptoms indicates it. A white rising will be noticed in the skin, which changes the black hair into white. The white hair only then indicates the disorder when it co-exists with the white rising or swelling which produced it. If the original white swelling, which discoloured the hair, disappears, and a fresh white swelling forms itself around the existing white hair, it is no indication of uncleanness.And there be quick... read more