significant changes in size, shape, color, bleeding, or ulceration. The potential for degenerative
malignancy into a melanoma for small- to moderate-sized congenital nevi is controversial.110 Serial
examination and even photographs can be helpful to document changes over time, and the gold
standard for any doubtful skin lesion is still excisional biopsy.
Figure 109-37. Fully expanded tissue expanders in preparation for excision of a congenital melanocytic nevus.
Giant congenital melanocytic nevi are larger and less common, but they can be devastating to a child
and the family. These lesions can affect the entire body or vast areas, including vital structures such as
the eyelids, anus, and genitalia. Although the risk of malignancy is higher in these patients, operations
have not shown to decrease that risk, hence a reasoned and conservative approach to such difficult cases
is mandatory.111,112
It is often helpful to enlist the aid of a dermatologist and the patient’s pediatrician to assist in
monitoring these lesions. Again, photographic documentation is helpful in serially assessing these
lesions. Areas that show significant change warrant incisional biopsy and pathologic evaluation. The
aesthetic consequences of these lesions often can be severe, and parents often want them to be excised.
The surgical approaches to benign giant congenital melanocytic nevi are varied and range from excision
and grafting to serial excision as well as the use of tissue expansion.
The use of extensive skin grafting as a reconstructive option for the reconstruction of giant hairy
congenital nevi is usually reserved for malignant or dysplastic lesions. Skin grafts are not a particularly
durable long-term cover, and they are often aesthetically displeasing and require subsequent resection
and reconstruction. Serial excision can be useful in limited giant hairy congenital nevi, especially in
locations near tissues that stretch well. The tissues adjacent to the lesion are undermined and advanced
over the nevus to determine the amount that can be resected, and then a portion of the nevus is excised
and the tissues are then reapproximated and allowed to heal. After 4 to 6 months the same procedure is
performed until the nevus is fully excised. Tissue expansion requires the placement of a tissue expander
adjacent to the lesion with slow instillation of saline into the expander over time, allowing stretching
and recruitment of new tissue near the nevus to assist in excision and closure (Fig. 109-37). The quality
and thickness of the skin, the possibility of exposure and infection, and the cooperation of the young
patient at times limit the usefulness of this technique.
Prominent Ears
3256
Prominent ears are a deformity that is mainly in the domain of the pediatric plastic surgeon. Children
with prominent ears are prone to ridicule by classmates in school, teasing by siblings, and thoughtless
comments by insensitive adults. The deformity does not usually present with an enlarged ear but rather
with a lack of an antihelical fold, either with or without conchal hypertrophy. An incision is made on
the posterior portion of the ear exposing the cartilage, and sutures are placed in a mattress fashion to
reconstruct an antihelical fold. The stiff conchal cartilage can be weakened, and the concha is then
secured to the mastoid fascia using permanent suture. A strict postoperative headbanding protocol may
be used to avoid trauma to the ear and allow undisturbed healing. Successful otoplasty is one of the
most rewarding procedures performed by a pediatric plastic surgeon because the child usually wants the
surgery and is rewarded with immense satisfaction.
Myelomeningocele
The interaction between the pediatric neurosurgeon and the pediatric plastic surgeon often extends
beyond the realm of craniofacial surgery. A prime example of the symbiotic interaction between the
two specialties is in the repair and reconstruction of the myelomeningocele which is a form of spina
bifida. The neurosurgeon is often presented with an exposed dural sac and a wide-open skin defect. The
neurosurgeon may be faced with a tenuous dural closure and may need to resort to the use of a
homograft to achieve an adequate dural repair. The pediatric plastic surgeon can assist by closing the
defect over the dural reconstruction with stable, reliable coverage using well-vascularized tissue,
protecting the neurosurgeon’s repair. The soft tissue coverage may require local paraspinous muscle
flaps or various fasciocutaneous flaps, but the goal of a durable reconstruction with a normal contour is
paramount so as to avoid persistent long-term complications both at the level of the skin and at the
level of the dural repair (Fig. 109-38).
SUMMARY
Although there are a multitude of additional procedures and topics in the specialized domain of the
pediatric plastic surgeon, such as pediatric facial trauma, facial reanimation surgery, and various
deformities resulting from congenital hypoplasia and hyperplasia, this chapter has focused on some of
the major and more common areas of patient management. In fact, the pediatric plastic surgeon is often
a chief collaborator with many of the pediatric surgical services when presented with a case of
challenging wound care or any case which poses a reconstructive dilemma. Continuing innovation and
technical advances combined with an appreciation for sound fundamental surgical principles allow the
specialty to continue meeting that challenge.
3257
Figure 109-38. A: Myelomeningocele defect. B: Cross section of local flap coverage of myelomeningocele defect. C: Durable
closure over defect of muscle, fascia, and skin. This can be mobilized to complete repair.
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Index
Note: Page number followed by f and t indicates figure and table respectively.
A
A77 1726 (metabolite of leflunomide), 550
Abbreviated injury scale (AIS), 323, 403
AbbVie, 948
Abciximab (ReoPro), 1527
Abdomen. See also Abdominal aortic aneurysms (AAAs); Abdominal trauma; Abdominal wall; specific
organs
full-thickness graft from, 224, 225f
pain
abruptio placentae and, 485
acute pancreatitis and, 862, 864
after gastric bypass, 748
bowel obstruction and, 785, 786
colorectal cancer and, 1130
duodenal ulceration and, 728
intra-abdominal infection and, 129
small bowel NETs and, 831
pediatric, 1870–1929
stab wounds to, 241
x-ray films
ileus, 800, 800f
pancreatitis, 856–857
for trauma to spleen, 1270, 1270f
ulcerative colitis, 1084, 1085f
Abdominal aorta, 1563f, 1648, 1661f, 1682
Abdominal aortic aneurysms (AAAs)
aortoenteric fistula and, 1759
classifications, 1732, 1733f
clinical presentation, 1735–1738
definitions, 1732
diagnosis, 1735–1738, 1736f, 1737f, 1738f
dissecting, 1733–1734
evaluation for, 1605, 1605f
incidence of, 1732–1733
infected, 1758–1759
inflammatory, 1756–1761
intra-abdominal disease and, 1761
isolated iliac artery aneurysms and, 1755–1756
juxtarenal, 1757–1758
management, principles of, 1734–1735
mortality rate, 1735
open/endovascular repair, choice of, 1739–1744
operative repair
endovascular repair, 1749–1754, 1750f–1751f
indications, 1738–1739
open repair, 1744–1749, 1745f
preoperative evaluation, 1744
pathogenesis of, 1733–1734
problem, 1732–1733
renal anomalies and, 1760
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