secretariat.drturcarelli@gmail.com +352 49 80 50 50, avenue de la Liberté, L-1930 Luxembourg-Gare
Dermatology · Skin tumours

Actinic keratoses

Actinic keratoses are common precancerous skin lesions linked to chronic sun exposure. They reflect gradual damage to keratinocytes and signal an increased risk of skin cancer, particularly squamous cell carcinoma. Early diagnosis allows appropriate treatment to be offered.

Written by Dr A. Turcarelli, dermatologist and allergist Updated 5 January 2026 6 min read

Kératoses actiniques

Introduction

They are very common in fair-skinned adults and should always be assessed by a dermatologist.

Symptoms

  • Patches of skin that feel rough, sometimes easier to feel than to see
  • Pink, red or skin-coloured lesions
  • Fine scales or superficial crusts
  • Skin that feels dry, irritated or sensitive
  • Mainly found on sun-exposed areas: face balding scalp ears backs of the hands forearms
  • face
  • balding scalp
  • ears
  • backs of the hands
  • forearms
  • Sometimes itching, burning or superficial bleeding

Causes

Chronic or occupational sun exposure
Repeated sunburn
Fair skin types (phototypes)
Skin ageing
Male sex (more common)
Weakened immune system
History of skin cancer

Diagnosis

  1. Full skin examination
  2. Dermoscopy of the lesions
  3. Assessment of their number and extent
  4. Skin biopsy if there is diagnostic doubt or signs of transformation
  5. Rapid thickening
  6. Spontaneous bleeding
  7. Ulceration
  8. Persistent pain

Treatments

Topical treatments specific to actinic keratoses
Field treatment protocols
Close monitoring of at-risk areas
Targeted cryotherapy
Surgical excision if transformation is suspected
Appropriate medical destructive techniques
Photodynamic therapy (PDT)
Selected dermatological lasers
Medical LED therapy as an anti-inflammatory add-on
Personalised combined protocols
remove visible lesions
treat the sun-damaged skin field

Management

Specialist dermatology consultation

Assessment of skin cancer risk

Individual choice of treatment

Treatment of visible lesions and of the field of cancerisation

Regular long-term follow-up

Frequently asked questions

Consultation for actinic keratoses

Consultation with a confirmed diagnosis and a written treatment plan.

Call Book an appointment