Skin Cancer — Guide Hub

Skin cancer is one of the most common cancers worldwide. Explore guides on signs, prevention, diagnosis, treatment, and survivorship.

Skin Cancer — Guide Hub

Skin cancer is one of the most common cancers worldwide, but early detection greatly improves outcomes.
This hub connects our condition-specific guides, covering prevention, diagnosis, treatment, and survivorship.


Skin Cancer by the Numbers

  • Most common cancer worldwide — millions of cases annually (WHO).
  • 1 in 3 cancers diagnosed globally is skin cancer.
  • >2 million non-melanoma cases (basal and squamous cell) are diagnosed each year worldwide.
  • Melanoma causes the majority of skin cancer deaths despite being less common.
  • 90% of cases are linked to UV exposure.
  • 5-year survival is >95% when melanoma is caught early, but <30% once it spreads.
  • Australia & New Zealand have the highest melanoma incidence in the world.

Core Guides


FAQ

Q: What is skin cancer?
A: Skin cancer is the uncontrolled growth of abnormal skin cells, often linked to UV radiation.

Q: What are the main types?
A: Basal cell carcinoma, squamous cell carcinoma, and melanoma. Melanoma is the most dangerous.

Q: Can it be prevented?
A: Yes. Daily SPF use, protective clothing, and avoiding tanning beds are key prevention steps.

Q: How common is it?
A: Skin cancer is the most common cancer globally, especially in sunny regions and among fair-skinned people.

Q: When should I see a doctor?
A: If you notice any new, changing, or non-healing spots, or a mole with ABCDE features (asymmetry, border, colour, diameter, evolving).


Last reviewed: September 17, 2025


Educational only; not a substitute for professional medical advice.