Seborrheic Keratosis

Seborrheic keratosis is benign common pigmented warty 'stuck-on' papules/plaques on trunk/face/extremities in elderly, due to benign epidermal proliferation. Treatment: reassurance (benign); cryotherapy (liquid nitrogen); curettage; electrodessication; laser ablation; topical retinoids/bleaching for cosmetic; biopsy if atypical/rapid growth/irregular borders/pigment to rule out melanoma/basal cell carcinoma; monitor Leser-Trélat sign (sudden eruptive SK = internal malignancy); follow-up dermatology.

Common Symptoms

Pigmented warty 'stuck-on' papules/plaques; trunk/face/extremities; elderly; benign

Causes and Pathogenesis

Benign epidermal basal-cell proliferation with hyperkeratosis forms seborrheic keratosis.

Treatment

Reassurance; cryotherapy/curettage/electrodessication/laser; biopsy if atypical

Preventive Measures

Sun protection; gentle skin care.

Department to Visit

It is recommended to visit the Dermatology department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.