poikiloderma

Definition : Poikiloderma is a skin condition that consists of areas of hypopigmentation , hyperpigmentation, telangiectasia and atrophy.

Poikiloderma of Civatte is most frequently seen on the chest or the neck, characterized by red colored pigment on the skin that is commonly associated with sun damage.

Types

 poikiloderma vasculare atrophicans
 poikiloderma of Civatte
 hereditary sclerosing poikiloderma

Etiology

 Congenital

• Rothmund-Thompson syndrome
• dyskeratosis congenita
• - Mendes da Costa syndrome

 Other hereditary causes

• Degos-Touraine syndrome
• diffuse and macular atrophic dermatosis
• hereditary sclerosing poikiloderma of weary
• Kindler syndrome
• Xeroderma pigmentosum

 Acquired

• injury to cold, heat, ionizing radiation, exposure to sensitizing chemicals
• lichen planus
• dermatomyositis
• lupus erythematosus
• systemic sclerosis
• cutaneous T cell lymphomas

The exact cause of poikiloderma of Civatte is unknown; however, extended sun exposure, namely the ultraviolet light emitted by the sun, is the primary factor.

See also

  cutaneous anomalies