Answer:
If after excision, the perichrondium is intact then you can skin graft
the conchal defect. Several options are possible if the perichrondium is
resected. Dermal punches can be taken so that the opposite perichrondium
is allowed to granulate into the wound and allow skin grafting. The cartilage
can be resected completely to expose the opposite side's perichrondium
to allow immediate reconstruction. A full thickness defect can be
reconstructed with a postauricular flap. This can be based superiorly
or inferiorly and can include only skin or postauricular muscle as well.