Recovery and Long-Term Hand Function

One of the most important things for parents to know is that Postaxial Polydactyly Type B is a condition of the skin and soft tissue, not the muscles, tendons, or main nerves that control movement ^[1]. Because of this, children who have these extra digits removed in infancy go on to have entirely normal hand and foot function ^[1][2][3].

Long-Term Function and Satisfaction

Research consistently shows that removing a Type B digit does not interfere with a child’s ability to grasp objects, write, play instruments, or participate in sports later in life ^[3][4].

• Fine Motor Skills: There are no significant differences in dexterity or grip strength between children who had an extra digit removed and those who were born without one ^[3][5].
• Parental Satisfaction: Most parents are incredibly happy with the results. One study found a satisfaction score of 9.8 out of 10 for office-based surgical removal, noting that the cosmetic outcome is usually excellent ^[2][6].
• Surgical vs. Ligation Outcomes: As discussed in the Treatment Options section, surgical excision is associated with higher long-term satisfaction because it is less likely to leave behind a nubbin (a residual bump of skin) or a sensitive spot ^[3][7][8].

Aftercare: The First Few Weeks

The immediate goal of aftercare is to prevent infection and ensure the skin heals smoothly ^[9].

• Wound Care: Keep the area clean and dry according to your doctor’s specific instructions. If surgical glue or tiny stitches were used, they will typically dissolve or fall off on their own ^[10].
• Monitoring: Check the site daily for signs that require a call to your pediatrician ^[9]:
  • Infection: Increased redness, swelling, unusual warmth, or yellow/cloudy discharge ^[9].
  • Skin Changes: Unusual darkening or discoloration of the skin around the removal site ^[11].

What to Watch for as Your Child Grows

While complications are exceptionally rare, there are a few things to keep an eye on as your child grows:

1. Sensitivity: Rarely, a small cluster of nerve endings (a neuroma) can form at the surgical site, making it tender to the touch ^[7][12]. If your older infant or toddler pulls their hand away or seems bothered when you wash or touch that specific spot, mention it to your doctor.
2. Residual Nubbins: If a small bump remains after healing, it is usually purely a cosmetic concern ^[13][3]. However, if it grows with the child or bothers you, it can be easily revised by a pediatric hand surgeon when the child is older ^[13].
3. Scarring: Like any skin procedure, a small scar will form. Because infants heal so remarkably well, most scars fade significantly over time and become barely noticeable as the hand grows ^[2][9].

Rest assured that the journey of Type B polydactyly is usually a short one. By the time your child reaches school age, they will have full use of their hands and likely no memory of the extra “tag” they were born with ^[1][2].