title: Subconjunctival and orbital silicone oil granuloma (siliconoma) complicating intravitreal silicone oil tamponade.
abstract: A 30-year-old male, who underwent previous pars plana vitrectomy and silicone oil tamponade due to endogenous endophthalmitis originated from Klebsiella liver abscess, was referred for evisceration. At 2 months after vitrectomy with silicon oil tamponade, conjunctival chemosis and ocular pain were aggravated. Diffuse eyelid swelling and large subconjunctival mass with lipid droplets were noted. On MRI examination, subconjunctival mass and intra- and extraconal orbital mass around superior rectus muscle were observed. Excision of subconjunctival and orbital mass was performed. Histopathologic examination showed multiple silicone oil vacuoles surrounded by foreign body giant cells and fibrosis, which confirmed silicone oil granuloma. In a patient with suspicious melting sclera in diseases such as endophthalmitis, large silicone oil granuloma may be complicated in a rapid fashion after intravitreal silicone oil tamponade due to silicone oil leakage.
authors.affiliation: Department of Ophthalmology, Kim's Eye Hospital, Myung-Gok Eye Research Institute, College of Medicine, Konyang University, Seoul 150-034, Republic of Korea.
authors.forename: Jung Hye
authors.identifier: 0000-0001-9636-4682
authors.initials: JH
authors.lastname: Lee
authors.affiliation: Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Irwon-dong, Gangnam-gu, Seoul 135-710, Republic of Korea.
authors.forename: Yoon-Duck
authors.identifier: 0000-0001-5476-5533
authors.initials: YD
authors.lastname: Kim
authors.affiliation: Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Irwon-dong, Gangnam-gu, Seoul 135-710, Republic of Korea.
authors.forename: Kyung In
authors.initials: KI
authors.lastname: Woo
authors.affiliation: Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Irwon-dong, Gangnam-gu, Seoul 135-710, Republic of Korea.
authors.forename: Mingui
authors.initials: M
authors.lastname: Kong