Large Intraorbital Cyst after Silicone Implant Insertion : A Case Report.

Ha, Sang Wook; Lee, Hye Kyung; Yoo, Won Min; Tark, Kwan Chul

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Case Report

Journal of the Korean Society of Plastic and Reconstructive Surgeons 2006;33(5):659-662.
Published online September 1, 2006.

Large Intraorbital Cyst after Silicone Implant Insertion : A Case Report.

Sang Wook Ha, Hye Kyung Lee, Won Min Yoo, Kwan Chul Tark

¹Department of Plastic & Reconstructive Surgery, Yonsei University College of Medicine, Institute for Human Tissue Restoration, Seoul, Korea.
²Department of Plastic & Reconstructive Surgery, National Health Insurance Corporation Ilsan Hospital, Gyeonggi-do, Korea.

Abstract

PURPOSE
Alloplastic implants, such as methylmethacrylate, Teflon, silicone, Supramid are commonly used to cover the floor defect and to prevent reherniation of the displaced orbital tissue in orbital floor fracture. Silicone implant has been used for reconstruction of orbital wall defects because of pliability, advantage of carving and chemically inert nature. However, silicone implant also has complications including infection, extrusion, pain, dystopia and tissue reaction. Cyst formation around the silicone implant is a very rare complication. According to many reports, cysts around alloplastic implant in an orbital area are mostly hemorrhagic cysts consisted of blood breakdown product with fibrous capsule cell in histologic examination. METHODS: The authors report atypical case and successful treatment of intraorbital hemorrhagic cyst around silicone implant of a 37-year-old male patient.
RESULTS
Preoperative symptoms of diplopia, exophthalmos, proptosis, vertical dystopia and ectropion of lower eyelid were resolved after surgical removal of implants with surrounding capsule.
CONCLUSION
Clinical suspicion of plastic surgeon is important in diagnosis of intraorbital cyst of patients who have history of silicone implantation and computed tomography is the standard tool of diagnosis. During the operation, caution must be taken on delivering the whole capsule of intraorbital cyst along with silicone implant to prevent recurrence of the cyst.

Keywords: Silicone implant; Intraorbital cyst

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