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Posts Tagged ‘custom occipital skull implant’

Case Study – Custom Occipital Skull Implant

Wednesday, March 30th, 2016

 

Background: Deformities of the back of the head, or of the occipital skull, are not uncommon. Due to the back of the head being exposed to pressures in utero and after birth, occipital deformation is the most frequently occurring skull shape alteration. While known to occur in certain ethnic groups (e.g., Asians) more than others, it can affect any race or gender.

While some back of the skull deformities bother people even with full heads of hair, hair loss/thinning can make the skull concern more apparent.  This takes on heightened significance in men who who are bald and shave their heads. Thus it should be no surprise that men make up an equal if not greater portion of patients that seek skull reshaping.

Many occipital skull deformities are marked by flattening that is often asymmetric. This is far more common than perfectly symmetric flat back of the heads. This underscores the importance of creating a custom skull occipital implant from a 3D CT scan. No intraoperative skull augmentation method can come close to the precision of 3D implant designing.

Custom Occipital Implant design for asymmetry Dr Barry Eppley IndianapolisCase Study: This 45 year-old male was bothered by the flatness on the right side of the back of his head. Even though he had a good head of hair, he had long been concerned about it. From a 3D CT scan, a custom occipital skull implant was designed that rounded out the back of his head for a more symmetric shape

Under general anesthesia in the supine position, a 7 cm horizontal scalp incision was made low on the back of the head. Through this incision, a wide subperiosteal dissection was made that extended beyond the edges of where the implant would go. The custom occipital skull implant, after preparation by making multiple perfusion holes, was rolled and inserted. Once the implant was completely inside it was unrolled and positioned into its proper orientation as designed on the 3D CT scan. The scalp incision was closed in multiple layers with dissolveable sutures.

Occipital Skull Implant Dr Barry Eppley IndianapolisOccipital Skull Implant result back view Dr Barry Eppley IndianapolisOccipital Skull Implant incision Dr Barry Eppley IndianapolisHis one day after surgery results showed a significant improvement in the size and shape of the back of his head. His recently made incision remained invisible inside his uncut and shaved occipital hairline.

A custom occipital skull implant is the best method for correction of an asymmetric back of the head shape. As long as the goal is to need just enough augmentation to make the back of the head more symmetric and smoother, the overlying scalp tissue should stretch sufficiently to cover the implant without undue tension on the incision closure.

Highlights:

1) Custom skull implants have become the gold standard for correcting many types of skull shape issues.

2) Made from a 3D CT scan, the implant can be designed to match an asymmetric side of the skull to the other more normal side.

3) Because custom skull implants are flexible, particularly the thinner they are, they can be inserted through small scalp incisions.

Dr. Barry Eppley

Indianapolis, Indiana

Case Study – Custom Occipital Skull Implant for Asymmetry

Sunday, March 13th, 2016

 

Background: One of the most common of all aesthetic skull deformities is flattening of the back of the head. Commonly called plagiocephaly it causes a flatness on one side of the back of the head that is frequently associated with an overall craniofacial scoliosis. It can occur in mild to more severe manifestations  whose aesthetic significance often depends on the shortness of the patient’s hair. It is no surprise, therefore, that the aesthetic sequelae of unilateral occipital flatness affects men more than women.

The best method without question in adults for correcting occipital plagiocephaly is a custom made occipital skull implant. Designed and manufactured from the patient’s 3D CT scan, it can match the dimension’s of the opposite more normal side of the occipital skull. While it can be argued that in plagiocephaly the side of the occipital skull opposite to the flattened side may be overexpanded (although not always so), it is best to use it as a reference when trying to achieve symmetry on the back of the head.

Custom Occipital Implant dimensions Dr Barry Eppley IndianapolisCustom Occipital Implant design for asymmetry Dr Barry Eppley IndianapolisCase Study: This 42 year-old male had long been bothered by the flatness on the right side of his head. Even he did not have a close cropped hairstyle, he was very conscious of it. Using a 3D CT scan, a custom right occipital skull implant was designed to match his opposite normal occipital skull projection.

Custom Occipital Implant marker orientation intraop Dr Barry Eppley IndianapolisCustom Occipital Implant intraop Dr Barry Eppley IndianapolisUnder general anesthesia and in the prone position, a 7 cm low horizontal scalp incision was made without shaving any hair. Making an extended implant pocket with long curved instruments, the implant was inserted in a rolled fashion. It was then unrolled and properly positioned using a ‘compass’ marker embedded into the implant and the 3D image designs. The incision was closed with resorbable sutures placing them either in tissue planes below or above the hair follicles. No drain was used.

Occipital  Skull Implant intraop oblique result Dr Barry Eppley IndianapolisOccipital Skull Implant intraop side view result Dr Barry Eppley IndianapolisOccipital Skull Implant intraop top view result Dr Barry Eppley IndianapolisHis immediate intraoperative results showed the back of the head shape improvement that the implant design predicted. His head dressing was removed the next day and he could wash his hair the following day. He returned to work the following week.

A custom occipital skill implant offers a straightforward and predictable method of obtained improved back of the head shape and projection for unilateral asymmetry. Placement in the subperiosteal plane on top of the bone can be done through very small scalp incisions through unique insertion techniques and positioning markers embedded into the implant’s outer surface.

Highlights:

1) Asymmetry of the back of the head is the most common form of occipital skull deformity.

2) A custom made occipital skull implants is the best treatment method in an adult.

3) A custom occipital skull implant can be inserted through the smallest scalp incision.

Dr. Barry Eppley

Indianapolis, Indiana


Dr. Barry EppleyDr. Barry Eppley

Dr. Barry Eppley is an extensively trained plastic and cosmetic surgeon with more than 20 years of surgical experience. He is both a licensed physician and dentist as well as double board-certified in both Plastic and Reconstructive Surgery and Oral and Maxillofacial Surgery. This training allows him to perform the most complex surgical procedures from cosmetic changes to the face and body to craniofacial surgery. Dr. Eppley has made extensive contributions to plastic surgery starting with the development of several advanced surgical techniques. He is a revered author, lecturer and educator in the field of plastic and cosmetic surgery.

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