Filler Lumps Forum: Patient Questions & Doctor Answers
Real questions from patients dealing with filler lumps, answered in the thread by Dr. Ta-Ju Liu. Read what others asked, or post your own question.
Full explanation from Dr. Liu
People Also Ask
Why do hard lumps or nodules remain even after repeated hyaluronidase dissolution injections?
Persistent lumps after hyaluronidase injections often happen when filler has been encapsulated by fibrous tissue, injected across deep muscular layers, or compounded with other collagen-stimulating products. In such cases, the dissolving enzyme cannot easily penetrate or clear the enclosed filler material. Subsurface ultrasound imaging is typically utilized to pinpoint the exact depth, structure, and nature of the remaining nodule to evaluate options like ultrasound-guided targeted puncture, aspiration, or surgical removal. If you are concerned, consult a filler-revision specialist.
Do collagen-stimulator lumps like Sculptra or Ellansé eventually go away on their own?
Collagen-stimulating products such as PLLA (Sculptra) or PCL (Ellansé) trigger tissue regeneration. When clumps or nodules develop, they are typically composed of newly formed collagen and fibrous tissue rather than water-soluble gel. Consequently, they rarely disappear spontaneously and often resist simple saline flushes or standard subcision. Over time, changes in facial fat or ongoing tissue reactions can make them more prominent or cause foreign body sensations. Detailed ultrasound evaluation helps clarify the nodule's condition. If you are concerned, consult a filler-revision specialist.
Can ultrasound determine what kind of lump I have if I received mixed injections like fat and hyaluronic acid?
High-frequency facial ultrasound is widely used to distinguish between different types of residual materials. It can differentiate between calcified or necrotic fat lumps, encapsulated hyaluronic acid pools, and fibrous scarring by analyzing acoustic transmission and tissue borders. Establishing whether the lump is soft hyaluronic acid, dense scar tissue, or fat necrosis is essential before attempting targeted needle drainage, enzyme dissolution, or revision surgery. If you are concerned, consult a filler-revision specialist.
Why did a nodule suddenly appear or become tender years after an injection?
Late-onset nodules can develop years after cosmetic injections due to delayed hypersensitivity, low-grade subclinical inflammation, or structural shifts from aging and weight changes. What was once a small, quiet deposit may slowly develop a thickened capsule or compress adjacent sensitive sensory tissues, leading to noticeable tightness, stiffness, or visible bulging. An ultrasound exam and clinical assessment are critical to check for chronic inflammation or granuloma formation. If you are concerned, consult a filler-revision specialist.
Can non-hyaluronic acid nodules (like Gouri or fat-dissolving injections) be treated without leaving skin depressions?
Non-hyaluronic acid injectables cannot be broken down using standard hyaluronidase. When localized inflammatory lumps or collagen nodules form, aggressive dissolution or blind excision carries risks of creating secondary hollows or irregular contouring. Clinical management often focuses on conservative anti-inflammatory therapies, intralesional micro-treatments, or ultrasound-guided precision reduction to soften the nodule while preserving surrounding native fat and collagen. If you are concerned, consult a filler-revision specialist.
Doctor, I had two rounds of Juvelook injections in my right cheek about two years ago. Now, there is a small bump and a circular shadow on my right cheek, which seems to be a nodule or lump complicati...
Hello. I have had Hyaluronic Acid (HA) fillers injected and dissolved in my nasolabial folds multiple times. About four years ago, I also used a collagen booster called Juvelook, which caused no issue...
About 3 months ago, I had fat-dissolving injections in my chin area. I didn't feel any discomfort at the time. About 3 weeks after the injection, I noticed a small lump in my jawline. At first, I thou...
Hello Dr. Liu, Six years ago, I received Ellansé (M). Shortly after the procedure, I noticed a **lump/nodule** under my right eye. When I consulted the clinic staff, they told me it would be absorbed...
Three years ago, due to orthodontic treatment, my cheeks looked a bit sunken, so I decided to get **Sculptra**. At the time, I had 3 vials injected initially, followed by another 3 vials two months la...
Dear Dr. Liu Ta-Ju, I had a Sculptra treatment last year in September. In October I developed two bumps/nodules on the temple and cheekbone. The one on the temple is way more visible in daily situati...
Dear Dr. Liu, I have already booked my consultation for July. I would like to ask if my condition is suitable for treatment. Thank you. Many years ago, I had an unsuccessful **Autologous Fat** grafti...
Attempting Hyaluronidase injection...
Hello everyone, I’m looking for advice from the experts on this forum or anyone who has had a similar experience... I previously went to a clinic to have my tear troughs filled with Princess **Hyalur...