Liposuction is a common cosmetic procedure, but results are often discussed on social media in terms of how much fat was removed — five liters, eight liters or several kilograms from a single operation.
Such figures can give a misleading impression of the procedure's purpose. According to the World Health Organization, 2.5 billion adults worldwide were overweight in 2022, including more than 890 million with obesity. However, liposuction is not a treatment for obesity or a substitute for weight management. Its primary purpose is body contouring, involving the removal of localized deposits of subcutaneous fat to improve body shape and proportion.
Dr. Tuan said one of the most common questions patients ask is how many liters of fat can be removed.
"The number of liters is only one parameter," Tuan said. "A patient who has less fat removed may achieve a greater improvement in body shape, while removing more does not necessarily produce a better contour."
The abdomen connects with the waist, flanks, back and hips, so treating one area without considering these transitions can produce an unnatural appearance. For abdominal liposuction, surgeons need to assess the waist, flanks, back, skin quality and overall proportions of the torso.
