I have been told old filler is still present. Can it all be removed?
"I have been told old filler is still present. Can it all be removed?"
"Can facial foreign material really be removed without leaving any behind?"
These are among the questions most frequently asked by patients visiting UVOM Plastic Surgery.
In most cases, it is possible to remove as much foreign material as feasible, but 100% complete removal is difficult to guarantee. This does not mean that the surgery is inadequate.
The goal is not '100% removal,' but removal of as much as safely possible while preserving nerves and normal tissue to the greatest extent possible.
Here, we explain why 100% removal can be difficult and why safe removal matters.
[ These factors often coexist, so assessment is recommended to establish the exact condition. ]
Overview of why facial foreign material can be difficult to remove
1. Foreign material does not remain in just one location
Fillers, silicone, and semipermanent injectables may not remain solely at the original injection site over time.
They may spread through subcutaneous tissue, fat, or muscle layers, or change position under the influence of gravity. Long-standing material in particular is often distributed more widely than its original location.
Foreign material may also be distributed as small particles between normal tissues rather than as a single mass, making removal of every particle without any residue practically difficult.
Note: The pattern of spread varies with the material type (filler, silicone, liquid foreign material, and others), injection site, and time elapsed.
2. The boundary between normal tissue and foreign material becomes unclear
Long-standing foreign material may cause the tissue reactions described in the table above, including fibrosis, capsule formation, and granulomas. As these changes progress, the boundary between the material and normal tissue becomes less distinct.
Selective removal of foreign material alone may therefore be difficult, and aggressive attempts may risk injury to nerves, blood vessels, or normal fat.
3. Different materials require different removal methods
Not all facial foreign materials are removed in the same way.
For example, hyaluronic acid filler, silicone, liquid foreign material, semipermanent injectables, and material associated with granulomas can differ in tissue reaction and removal method.
It is therefore important to establish the material type and current condition accurately before planning treatment.
Maximum safe removal matters more than complete removal
For these reasons, the goal is not '100% complete removal,' but removal of as much as feasible while preserving nerves and normal tissue as much as possible.
Overly aggressive attempts at complete removal may cause the following problems.
- Facial nerve injury
- Altered sensation
- Damage to normal fat and muscle
- Skin depressions
- Unbalanced facial contours
Surgery should therefore distinguish between material that can be removed and areas where removal carries a high risk.
Why detailed assessment before removal matters
Determining where the material is located, how deep it lies, and how far it has spread is essential to surgical planning.
Locating material with ultrasound
Preoperative ultrasound assesses location, depth, extent, and possible fibrosis or granulomas. It helps evaluate the material before an incision and plan safe removal.
Precise endoscopic access
When foreign material in the forehead, glabella, or temples is spread across multiple layers, an endoscope can provide a magnified view of the material and surrounding tissue during the approach. Removal is planned to preserve surrounding normal tissue as much as possible.
UVOM Plastic Surgery's priorities in foreign material removal
✔ Removing a large amount at any cost is not our goal.
✔ We prioritize preserving nerves and normal tissue.
✔ We carefully assess the extent of feasible removal.
✔ We plan staged removal when needed.
Frequently asked questions (FAQ)
Q. Why is foreign material still present after several removal procedures?
A. If material has spread through multiple tissue layers or fibrosis and adhesions are severe, removing everything in one operation may be difficult.
When needed, detailed assessment of the remaining extent is followed by a staged treatment plan.
Q. Will incomplete removal keep causing problems?
A. Not necessarily. If the main material causing inflammation or pain has been adequately removed, a small remaining amount does not necessarily cause symptoms.
However, persistent pain or inflammation may require further assessment.
Q. Do I need CT or ultrasound?
A. The examination needed depends on the type and location of the material.
Ultrasound helps identify foreign material within soft tissue and its extent. CT or other imaging may be added as needed.
Q. Can I request complete removal even if it means taking greater risks?
A. When the risk of damage to nerves or normal tissue is high, prioritizing safety over complete removal is recommended.
The extent of feasible removal should be decided after detailed assessment and a thorough discussion with the medical team.
In facial foreign material removal, how safely it is removed matters more than how much is removed.
Because material may spread through multiple tissue layers over time and become difficult to distinguish from normal tissue, 100% complete removal is difficult to guarantee.
At UVOM Plastic Surgery, we assess the location and extent carefully, then aim to remove as much as safely possible while preserving nerves and normal tissue to the greatest extent possible.
If you are concerned about old residual filler, silicone, semipermanent injectables, or other facial foreign material, call 02-545-3700 or contact UVOM Plastic Surgery on KakaoTalk.