Preauricular Skin Tags in Pediatrics: Evaluation and Management
A preauricular skin tag in a pediatric patient requires systematic evaluation for associated anomalies—particularly hearing impairment and renal/cardiac malformations—followed by simple excision or ligation in the newborn period if the lesion is truly a skin tag without cartilage. 1
Initial Clinical Assessment
The first critical step is distinguishing a true skin tag from an accessory tragus (which contains cartilage). Examine the lesion carefully for:
- Presence of a pilosebaceous unit (suggests accessory tragus, not a simple skin tag)
- Firmness or cartilage within the pedicle (requires surgical referral to avoid chondritis)
- Thin, soft pedicle without cartilage (true skin tag, amenable to simple removal)
Misdiagnosis can lead to serious complications like chondritis if cartilaginous tissue is improperly treated 2.
Mandatory Screening for Associated Anomalies
Preauricular skin tags are NOT benign isolated findings—they carry significant risk for associated malformations:
Hearing Assessment (Critical Priority)
- Hearing impairment occurs in 8 per 1,000 infants with preauricular tags/pits versus 1.5 per 1,000 without them 3
- The adjusted odds ratio for hearing impairment is 4.9 after controlling for other risk factors 3
- All newborns with preauricular tags require hearing screening with transient-evoked otoacoustic emissions (TEOAE), which effectively detects permanent hearing impairment in this population 3, 4
- Follow-up with behavioral audiometry at day 3 and brainstem-evoked response audiometry at 4 months 4
Renal and Cardiac Ultrasonography
- Increased risk of congenital urinary tract and cardiac malformations has been documented 5
- Perform renal and cardiac ultrasound in all infants with isolated preauricular tags 5
- Carefully examine for dysmorphic features suggesting a specific syndrome pattern 5
Airway Considerations
If the child requires anesthesia for removal, be aware that preauricular tags can be associated with difficult intubation, particularly when part of complex craniofacial syndromes 6. Verify whether the defect is isolated, analyze medical history thoroughly, and limit intubation attempts to three maximum 6.
Referral Guidelines
Refer to pediatric otolaryngology or pediatric plastic surgery 1 when:
- The lesion contains cartilage (accessory tragus)
- Multiple congenital malformations are present
- Associated hearing impairment is confirmed
- The family desires surgical excision beyond the newborn period
According to AAO-HNS guidelines, pediatric otolaryngologists or pediatric plastic surgeons are appropriate specialists for congenital malformations of head and neck structures, including the ear 1.
Treatment Options
For True Skin Tags in Newborns
Ligaclip application in the nursery is safe, rapid, and economical 2:
- Apply after confirming no pilosebaceous unit and thin, soft pedicle
- Tag falls off between days 7-10
- Excellent cosmetic results at 3-month follow-up
- No reported complications (edema, cellulitis, bleeding) in studied cohort 2
For Older Children or Uncertain Cases
- Scissor snip excision remains the gold standard with superior healing (85% vs 71% for laser), lower pain scores (2.6 vs 3.42), and higher patient satisfaction (63% preference) 7
- Laser therapy (532nm LBO) offers bloodless procedure but has higher rates of pigmentation changes and persistent necrotic tissue for up to 3 weeks 7
Critical Pitfalls to Avoid
- Never assume an isolated finding: Always screen for hearing, renal, and cardiac anomalies
- Never treat cartilaginous lesions as simple skin tags: Risk of chondritis and poor cosmetic outcomes
- Never use unapproved topical removers: These caustic agents (salicylic acid, Sanguinaria canadensis) cause serious burns, scarring, and disfigurement 8
- Never skip hearing assessment: The 4.9-fold increased risk of hearing impairment is clinically significant and affects developmental outcomes 3