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Intercalary staphyloma after strabismus surgery in a patient with Marfan syndrome: A case report
Ju Mi Kim1, Jae-Young Kim2, Jae-Yeon Sung3
1Department of Ophthalmology and Visual Science, College of Medicine, Daejeon St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.
Rationale:
A few cases of intercalary staphyloma have been reported in patients with Marfan syndrome, but we believe that this is the first case of intercalary staphyloma in Marfan syndrome developing after strabismus surgery.
Patient Concerns:
A 9-year-old girl diagnosed with Marfan syndrome visited a strabismus clinic for treatment of esotropia. Both eyes were aphakic and had 60 prism diopter esotropia at distance and 55 prism diopter esotropia at near. There were no corneal, conjunctival, or scleral abnormalities. Six millimeters of recession was performed on both medial rectus muscles via an inferonasal fornix approach under general anesthesia. 5 days after surgery, a dark gray protruding lesion was observed on the upper nasal side of the left eye.
Diagnoses:
Intraocular ultrasonography showed no bleeding, retinal detachment, or other abnormal findings. Computed tomography showed a conical protrusion of the scleral wall which was diagnosed as intercalary staphyloma.
Interventions:
To reduce risk of progression of the staphyloma in the left eye and to reduce risk of development of a new staphyloma, intraocular pressure lowering eye drops were administered.
Outcomes:
We just observed it without any intervention except the intraocular pressures lowering eye drops. It remained stable for 12 months.
Lessons:
Clinicians need to be alert to the possibility of this serious complication in Marfan syndrome patients after minor surgical trauma, which can occur during uneventful strabismus surgery.
