When the patient was 28 years old, he developed reticulate hyperpigmentation of the neck and upper trunk, with palmoplantar hyperkeratosis and hyperhidrosis and nail dystrophy (Fig. 1). His son (aged 8 years at the time) also began to experience similar pigmentary changes and nail dystrophy. At the time of the current referral (the patient is now 47 years old), the reticulate pigmentation had s...

When the patient was 28 years old, he developed reticulate hyperpigmentation of the neck and upper trunk, with palmoplantar hyperkeratosis and hyperhidrosis and nail dystrophy (Fig. 1). His son (aged 8 years at the time) also began to experience similar pigmentary changes and nail dystrophy. At the time of the current referral (the patient is now 47 years old), the reticulate pigmentation had s...

  Koebner phenomenon is observed in a number of inflammatory skin diseases. Psoriasis is one of the most common skin diseases associated with Koebner phenomenon. Nail psoriasis may be developed independently from inflammatory arthritis and skin psoriasis. This study reports on the reconstruction of third web of a 30-year-old woman, which performed on her right, due to congenital syndactyly. Fou...

Median canaliform nail dystrophy is an unusual condition of the nail, most often affecting the thumb (1). It is characterized by a longitudinal split or canal in the nail with small transversal fissures, in a fir-tree configuration. The condition is diagnosed based on its clinical features (2, 3). While the underlying mechanism is unknown, it has been suggested that median canaliform nail dystr...

Yau Ma Tei Dermatology Clinic, 12/F, Yau Ma Tei Specialist Clinic, 143 Battery Street, Kowloon, Hong Kong A 57-year-old Chinese gentleman presented with pruritic skin eruptions located mainly over the shins since childhood. Scratching resulted in skin blister and finally scarring. He also had nail dystrophy over the fingers and toes since childhood. Incisional skin biopsy for histology and elec...

Nail disorders are the most frequent reason for visits to podiatry clinic. Although they not a severe health problem, these types of pathologies have psychosocial impact on patients, affecting their self-esteem and leading social professional self-isolation that can cause anxiety depression. Laser therapy is considered potential treatment nail because it fast, easily applied avoids interaction ...