Mal de Meleda is a rare autosomal recessive transgredient keratoderma .Onset is in early childhood, and the development of hyperkeratosis is preceded by erythema. Patches of waxy ivory-yellow hyperkeratosis extend across the whole palms and soles, and on to the dorsal surfaces of hands and feet. Similar lesions of knees and elbows may develop. We describe an 18 year old man with the diagnosis o...

Previous measurement campaign, realized in France in 2005, has shown that an infrasound station can clearly measure thunder when lightning occur within 75 km from the station. In this paper, infrasound data recorded in Ivory Coast since 2005 are analyzed and compared to WWLLN data in order to quantify statistically the main trends observed in 2005. The main results are : (1) the (infrasonic) th...

Low back pain is often managed at all levels of healthcare. In general, diagnostic investigation begins with radiography of the lumbar spine. In addition to the most common findings, radiologists can identify increased density of a vertebral body, referred to as ivory vertebra. The objective of this study was to describe the main diseases that can present with this radiologic sign, such as Hodg...