Atypical presentations of orbital cellulitis caused by methicillin-resistant Staphylococcus aureus.

Purpose: To evaluate the epidemiologic and clinical features of orbital cellulitis caused by methicillin-resistant Staphylococcus aureus (MRSA).

Design: Multicenter, retrospective case series.

Participants: Fifteen patients with culture-positive MRSA orbital cellulitis.

Skin cooling before periocular botulinum toxin A injection.

Purpose: To determine if skin cooling decreases the pain associated with periocular botulinum toxin A injections.

Methods: In this prospective study, 14 patients given bilateral periocular injections for blepharospasm or wrinkle reduction were included. Prior to the injections, one side received a skin cooling agent and the other side served as the control.

Conjunctival mycosis masquerading as melanoma.

Purpose: To report a patient with a melanotic lesion of the conjunctiva that mimicked melanoma but proved to be a fungal infection on biopsy.

Design: Interventional case report.

Methods: A 75-year-old white man was examined for a 3-month history of a deeply pigmented lesion of the conjunctiva at the limbus of the right eye that closely resembled conjunctival melanoma.

A rapidly growing choroidal melanoma.

Purpose: We describe a rapidly growing choroidal melanoma that failed to respond to consecutive globe-sparing treatments in an individual with ocular melanocytosis.

Design: Interventional case report.

Methods: A 53-year-old man with right ocular melanocytosis, decreased vision in the right eye, and right eye pain was referred for suspected choroidal melanoma.

Retinoblastoma in a patient with an X;13 translocation and facial abnormalities consistent with 13q-syndrome.

Purpose: To report a patient with an X;13 translocation and facial features of 13q-syndrome who developed retinoblastoma.

Design: Observational case report.

Methods: A 9-month-old girl known to have an X;13 chromosomal translocation with a break point at 13q12.