And if it spreads in the skin, then the priest shall pronounce him unclean; it is a disease.
The priest is here instructed what judgment to make if there was any appearance of a leprosy, either, 1. In an old ulcer, or bile, that has been healed, Lev 13:18, etc. When old sores, that seemed to be cured, break out again, it is to be feared there is a leprosy in them; such is the danger of those who, having escaped the pollutions...
Commenting on Leviticus 13:18-37
And if it spread much abroad in the skin,.... Upon viewing it on the seventh day, though it is not expressed, the swelling or bright spot; or "in spreading spread"; See Gill on Lev 13:7; which Ben Gersom interprets, not of the skin of the flesh, but of the ulcer: then the priest shall pronounce him unclean; even though there are no white hairs in...
Lev 13:2-28 The symptoms of leprosy, whether proceeding directly from eruptions in the skin, or caused by a boil or burn. - Lev 13:2-8. The first case: “When a man shall have in the skin of his flesh (body) a raised spot or scab, or a bright spot.” שׂאת, a lifting up (Gen 4:7, etc.), signifies here an elevation of the skin in some part...
Commenting on Leviticus 13:2-28