Pediatric Plastic Reconstructive

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Pediatric plastic and reconstructive surgery encompasses a group of surgical procedures that correct or improve the appearance and function of external deformities. Pediatric procedures account for about three percent of all plastic surgery procedures performed in the United States each year. These procedures require specialized care to preserve the growing bodies of children from infants to young adults.

Reconstructive surgery is most often performed to improve the function and appearance of the affected area after an injury, birth defect or scarring from another surgical procedure. These procedures require expert, individualized care to treat the growing bodies of pediatric patients and ensure that proper development and functioning continue after surgery. The field of pediatric plastic surgery offers endless opportunities for transforming the lives of children. As pediatric plastic surgeon, Dr. Chaiyasate can develop solutions to complex congenital conditions that previously represented insoluble problems. Although the challenges are great, the potential for positively improving the quality of life for these children is enormous.

It is important for surgeons to take special care when performing pediatric procedures, as children’s bodies are still growing and must continue to develop as needed after surgery. There are certain risks associated with each type of procedure, as well as general risks such as infection, anesthesia complications, excessive bleeding, fever and others. Dr. Chaiyasate will discuss the risk of your child’s procedure before surgery.

Dr. Chaiyasate Offers The Following Service To Children:

Pediatric Reconstructive Microsurgery

Free tissue transfer (microvascular surgery) offers solutions to enhance form and function for congenital anomalies of the head and neck such as bony and contour restoration for hemifacial microsomia, re animation techniques with functioning muscle transplants for facial paralysis (smile reconstruction), and for congenital deficiencies of the hand such as toe-to-hand transfers for symbrachydactyly (fused and short fingers). With childhood cancer, the role of pediatric plastic surgeon/ pediatric microsurgery is an integral part of team approach.

After cancer resection, the defect of surgery could be large. The defect could be bone or soft tissue, which requires reconstruction for optimal function and quality of life. Dr. Chaiyasate can facilitate the cancer removal surgeon by providing an acceptable functional and cosmetic reconstruction.

Scar Revision

Scar revision is typically performed on patients with scars from injury or from a previous surgery and aims to improve the appearance and function of the affected area through one of several different techniques. Many minor scars can be treated by injecting a steroid medication into the scar, while others may require laser treatments, skin grafts, collagen injections or other types of reconstructive treatment.

Cosmetic Procedures

Cosmetic procedures for children often include rhinoplasty, breast augmentation or male breast reduction. While these procedures have a very high success rate similar to the ones performed on adults, it is important for patients to wait until their bodies are fully developed before undergoing cosmetic procedures, in order to ensure that the results do not change dramatically over time.

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Vascular Anomalies & Lesions

A vascular anomaly is a kind of birthmark caused by a disorder of the vascular development, although it is not always present at birth. A vascular anomaly is a localized defect in blood vessels that can affect each part of the vasculature (capillaries, arteries, veins, lymphatics or a combination of these). These defects are characterized by an increased number of vessels and vessels that are both enlarged and sinuous.

Some vascular anomalies are congenital and therefore present at birth, others appear within weeks to years after birth and others are acquired by trauma or during pregnancy. Inherited vascular anomalies are also described and often present with a number of lesions that increase with patients’ age. Vascular anomalies can also be a part of a syndrome and, occasionally, they can be acquired by trauma. The estimated prevalence of vascular anomalies is 4.5%. Vascular anomalies can occur throughout the whole body (skin, bone, liver, intestines, i.e.), but in 60% of patients vascular anomalies are localized in the head and neck region.

Vascular anomalies can present in various ways. Vascular anomalies that are situated deep below the skin, appear blue and are often called cavernous. Superficial vascular anomalies appear as red-coloured stains and are associated with vascular anomalies affecting the dermis. Historically, vascular anomalies have been labeled with descriptive terms, according to the food they resembled (port wine, strawberry, cherry, salmon patch). This imprecise terminology has caused diagnostic confusion, blocked communication and even caused incorrect treatment, as it does not differentiate between various vascular anomalies.

Vascular Tumors

Vascular tumors, often referred to as hemangiomas, are the most common tumors in infants, occurring in 1-2%. Prevalence is even higher (10%) in premature infants of very low birth weight. Vascular tumors are characterized by overgrowth of normal vessels, which show increased endothelial proliferation. It can be present at birth, but often appears within a couple of weeks after birth or during infancy. There are different kinds of vascular tumors, but the 4 most common types are: infantile hemangioma, congenital hemangioma, kaposiform hemangioendothelioma and pyogenic granuloma.

Infantile Hemangioma

Infantile hemangioma is the most common vascular tumor. It is a benign tumor, which occurs in 4-5% of Caucasian infants, but rarely in dark skinned infants. It occurs in 20% of low weight premature infants and 2.2 to 4.5 times more frequently in females. IH most commonly presents in the head and neck region (60%), but also involves the trunk and extremities. One third of these lesions is present at birth as a telangiectatic stain or ecchymotic area. During the first four weeks of life, 70% to 90% appear. Lesions that are situated beneath the skin may not appear until 3 to 4 months of age, when the tumor is large enough. During the first 9 months, IH undergoes rapidly growth, which is faster than the growth of the child. This is called the proliferating phase. After 9 months, the growth of the tumor will decrease and equal the growth of the child for about 3 months.

After 12 months, the tumor will start to involute and might even disappear. Involution occurs in one-third of patient by the age of 3 years, in 50% by the age of 5 years and in 72% by the age of 7 years. Involution may result in residual telangiectasis, pallor, atrophy, textural changes and sometimes fibrofatty residuum. Since 90% of IH is small, localized and asymptomatic, treatment mainly consists of observation and awaiting until involution is complete. IH can be treated with corticosteroids, which accelerate involution: in 95% of patients, growth is stabilized and 75% of tumors decrease in size. Intralesional corticosteroids are most effective, but may require additional injections, as the effect is only temporarily. Systemic corticosteroids may cause lost of side-effects and are only used in problematic IH, which is too large to treat with intralesional injections. During the proliferating phase, the tumor is highly vascular. Patients who undergo operative treatment during this period, are at risk for blood loss.

Moreover, surgery during this phase, often leads to an inferior aesthetic outcome. However, patients may require intervention during childhood, because 50% of IH leave residual fibrofatty tissue, redundant skin, or damaged structures after involution. Waiting until involution is completed, ensures that the least amount of fibro fatty residuum and excess skin is resected, giving the smallest possible scar. Another option for treatment in the pulsed-dye laser. After involution residual telangiectasias can be treated with laser therapy.

Congenital Hemagioma

Congenital hemangioma can be distinguished from infantile hemangioma because it is fully developed at birth. It forms during prenatal life and has reached its maximal size at birth. Congenital hemangioma can even be diagnosed in utero by prenatal ultrasound. Unlike IH, CH is more common in the extremities, has an equal sex distribution, and is solitary, with an average diameter of 5 cm. It commonly presents in the head and neck and in the lower extremities. Congenital hemangioma are divided into 2 subgroups: the rapidly involuting congenital hemangiomas (RICHs) and the non-involuting congenital hemangiomas(NICHs).

The rapidly involuting congenital hemangioma, RICH, presents at birth as a solitary raised tumor with a central depression, scar, or ulceration surrounded by a rim of pallor. It is noted for its involution, which typically begins several weeks after birth and is completed no later than 14 months of age. After regression RICH may cause a residual deformity, such as atrophic skin and subcutaneous tissue. It mainly affects the limbs (52%), but also the head and neck region (42%) and the trunk (6%).

The non-involuting congenital hemangioma, NICH, presents as a solitary, well-circumscribed reddish-pink to purple plaque with central telangiectasia and hypopigmented rim.[8] In contrast to RICH, NICH does not involute and rarely ulcerates. It persists into late childhood and can even mimic a vascular malformation by growing commensurately with the child. Although NICH can resemble RICH in its external appearance, it can be differentiated from RICH by a greater elevation and coarse telangiectases. It mainly affects the head and neck region (43%), but also the limbs (38%) and the trunk (19%).

Surgical resection for congenital hemangiomas is rarely needed, because RICH undergoes postnatal regression and NICH is benign and often asymptomatic. Resection may be indicated to improve the appearance of the affected area, as long as the surgical scar is less noticeable than the lesion. Other indications are problematic ulcers with persistent bleeding or chronic infection. Although most NICH lesions are non-problematic and do not cause significant deformity, the threshold for resection of NICH is lower, because it neither involutes, nor responds to pharmacotherapy. RICH tumors are observed until involution is completed. Involuted RICH may leave behind atrophic tissue, which can be reconstructed with autologous grafts. It is often best to postpone excision until regression is complete.

There are effective pharmacologic treatments, which include intralesional corticosteroid injection, systemic corticosteroid injection, interferon α-2a or α-2b and angiogenic inhibitors. The use of corticosteroids leads to accelerated regression in 30%, stabilization of growth in 40%, lightening of color and softening of the tumor. However, 30% shows minimal or no response. Another drug treatment is interferon α-2a or α-2b. It is often used for patients who did not respond to corticosteroids. Although the response rate is much slower, it has been successful for 80% of children treated. The most serious side effect of interferon is a spastic diplegia. Other therapeutic options are embolization and pulsed-dye laser, which improves residual telangiectasias in RICH and in NICH.

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Royal Oak,MI 48073

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