Reticulate acropigmentation of Kitamura

Reticulate acropigmentation of Kitamura is a type of pigmentation disorder of the skin.^[2] It presents with coloured freckle-like and slightly depressed flat spots arranged in a lace-like pattern on the backs of hands and feet.^[2] It tends to occur in skin folds of teenagers and in early adulthood, and darkens over time.^[2]

Reticulate acropigmentation of Kitamura
Other names	RAK[1]
Specialty	Dermatology
Symptoms	Coloured freckle-like and slightly depressed flat spots arranged in a lace-like pattern[2]
Usual onset	Teenagers and early adulthood[2]
Differential diagnosis	Dowling–Degos disease[2]
Frequency	Rare[1]

It is inherited in an autosomal-dominant fashion.^[2]

The condition is rare.^[1] It was first described in Japan, before recognising that is also occurs elsewhere.^[2]

Genetics

This condition is associated with mutations in the a disintegrin and metalloproteinase domain-containing protein 10 (ADAM10) gene. This association was first shown in 2013.^{[citation needed]}

See also

• Skin lesion
• List of cutaneous conditions