• can not be used for dermal defects such as rhytids

• ideally should maintain a minimum of 2 mm of subdermal fat

• Advantages: quick, short postoperative course, minimal risk of nerve and vascular damage, minimal scarring, reduced soft tissue trauma

• Disadvantages: in general not used for generalized weight loss

• Common Uses: improve contour of submandibular (jowls), submental (wattles), cheek, malar, and parotid regions, defat pedicled or free flaps, lipoma excision

• Contraindicated: collagen vascular diseases, bleeding disorders, endocrine disorders

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