Skit arose about growth (9)

I believe the answer is:

keratosis

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'growth' is the definition.
Both the answer and definition are singular nouns.
Maybe you can see a link between them that I don't see?

'skit arose about' is the wordplay.
'about' indicates an anagram.
'skit'+'arose'='skitarose'
'skitarose' with letters rearranged gives 'KERATOSIS'.

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I've seen this clue in The Daily Express.

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