Scall - As this is the name for another disease not allied to the leprosy, it would have been better to retain the original word נתק netheq. It is a true elephantiasis, and is recognized by modern writers under the name of the Fox mange.
Related Commentaries of Leviticus 13:30
Leviticus 13:30
30 Then the priest shall see the plague: and, behold, if it be in sight deeper than the skin; and there be in it a yellow thin hair; then the priest shall pronounce him unclean: it is a dry scall, even a leprosy upon the head or beard.