Here we report the occurrence of pale yellowish perivascular preretinal dots in 12 patients with ocular syphilis. A case series of these patients was examined between March and October 2012 at the Uveitis Sector of Universidade Federal de São Paulo. After diagnostic confirmation of syphilis, fundus photographs and optical coherence tomography (OCT) were performed to verify the localization of t...

Some light green grossular garnets exhibit orange-red luminescence under long-wave and short-wave ultraviolet light. To characterize their behavior, we studied seven with typical colors ranging from yellowish-green to intense by using photoluminescence (PL), ultraviolet–visible (UV–Vis) spectroscopy, electron paramagnetic resonance (EPR), Electron Probe Microanalysis (EPMA) laser ablation induc...

From generation to generation, edible palm oil has been a staple of the human diet and improved both nutrition health. The goal current research was determine whether it possible tamper with by adding natural potash (lake salt) red dye made from leaf sheath sorghum bicolor. In order create tainted known concentrations adulterant ratios, ranging 0.01-0.1% 0.1-1.0%, respectively, were produced in...

Figure 1 A, Slightly raised and somewhat irregular plaque with well-deined borders, and with a clear reduction in hair follicle density. B, Well-deined, slightly yellowish papule measuring 4 mm in diameter on the medial third of the right upper eyelid, and a translucent, yellowish-pink plaque with supericial telangiectasia extending across the corneoscleral junction. A. Elguezabal,a,* P. Turéga...

We report here on a 63-year-old woman who had several small, yellowish papules on the scalp for the previous 2 years. There was no family history of similar lesions. Yellowish, creamy material was expressed from a papule during punch biopsy. Histologic examination from the lesion revealed the typical features of steatocystoma multiplex. We report here on this rare variant of steatocystoma multi...