Symmetrical interdigital hyperkeratosis of the hands

[Bilateral symmetrical nail hypoplasia of the hands].

We present the case of a 15-month-old boy who was brought by his mother for lesions affecting the nails of the first 3 fingers of both hands, and that had been present since birth. The other fingernails and the toenails showed no abnormalities. The patient had started walking at 1 year, with abnormalities of gait and frequent falls. In addition, the child had started speaking late, at 12 months...

Symmetrical Keratotic Papules on the Hands: A Quiz.

Hyperkeratosis lenticularis perstans.

Flegel's disease, also known as hyperkeratosis lenticularis perstans, is a rare skin disease characterized by small reddish-brown asymptomatic hyperkeratotic papules usually located on the lower extremities. The histopathological features are hyperorthokeratosis, epidermal atrophy and band-like inflammatory infiltrate in the superficial dermis. Treatment is generally ineffective. We report a ca...

the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

[Nevoid hyperkeratosis of the nipple and areola].

INTRODUCTION Nevoid hyperkeratosis of the nipple and areola (NHNA) is a rare, benign condition of unknown etiology characterized by verrucous hyperpigmented plaques on the nipple and/or areola that was first described in 1923. Since then many cases have been reported in the literature and some have argued whether it is a distinct entity. Since the pathogenesis is unknown and it is a rare dermat...