Aggressive glabellar angiomyxoma with orbital extension.

A 62-year-old male presented with a large non-tender mass in the glabella, extending into the right orbit that had been steadily growing for 6 months. Imaging revealed a 2.5 x 1.

Trichoadenoma of an eyelid in an adult mimicking sebaceous cell carcinoma.

The purpose of this report is to detail the clinical and histologic findings of a rare trichoadenoma of the eyelid. A 63-year-old male with a recurrent left lower eyelid lesion underwent a shave biopsy with inconclusive results until referred to an oculoplastic surgeon. The patient presented with a lesion suspicious for sebaceous cell carcinoma of the eyelid.

Assessing Errors Inherent in OCT-Derived Macular Thickness Maps.

SD-OCT has become an essential tool for evaluating macular pathology; however several aspects of data collection and analysis affect the accuracy of retinal thickness measurements. Here we evaluated sampling density, scan centering, and axial length compensation as factors affecting the accuracy of macular thickness maps. Forty-three patients with various retinal pathologies and 113 normal subjects were imaged using Cirrus HD-OCT.