FA error? Perineurium rejoining in microsurgery

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Pg 397 of FA appears to state that the perineurium (surrounding fascicle of nerve fibers) must be rejoined in microsurgery for limb reattachment.

However, a Q-bank Q says that the epineurium is the smallest structure that can be manipulated by microsurgery of peripheral nerves.

Can anyone confirm one way or the other?