What can actinic keratosis be mistaken for?
The reason that it is best to not self-diagnose is because cancerous lesions such as basal or squamous cell carcinoma, or even deadly melanoma, can be mistaken for actinic keratoses.
What is acral melanoma?
Acral lentiginous melanoma (ALM), also sometimes referred to as, simply, acral melanoma, is melanoma occurring on the hands and feet (palms, soles, fingers, toes, and nail units). The word acral derives from the Greek word referring to the highest or topmost portion of the limbs (extremities).
How do you describe a dermoscopy?
Dermoscopy is performed with a handheld instrument called a dermatoscope. The procedure allows for the visualization of subsurface skin structures in the epidermis, at the dermoepidermal junction, and in the papillary dermis; these structures are usually not visible to the naked eye [2-4].
Can actinic keratosis turn into melanoma?
Some actinic keratoses can turn into squamous cell skin cancer. Because of this, the lesions are often called precancer. They are not life-threatening. But if they are found and treated early, they do not have the chance to develop into skin cancer.
When should I worry about actinic keratosis?
You are less likely to develop skin cancer if actinic keratosis gets treated right away. You should call your healthcare provider if you notice: Bleeding, blistering, stinging or itchy skin. Hornlike growths.
What does acral melanoma look like?
The main sign of acral lentiginous melanoma is a black or brown discoloration that appears on the sole of the foot or palm of the hand. It may resemble a bruise or stain, but over time it grows in size. Acral lentiginous melanoma occurs equally among people of all races and backgrounds.
How is dermoscopy performed?
When does actinic keratosis become cancerous?
The length of time for an AK to progress to an SCC was determined to be 24.6 months (95% confidence interval, 21.04-28.16 months).