Occur in 0.7-9% of patients with cancer.
Chief complaint in only 0.8% of patients with cancer.
Only1.3% of patients have cutaneous metastases at the time of diagnosis of their cancer.
Skin metastases occur in about 5% of patients with cancer.
Breast cancer makes up 69% of cutaneous metastases in women.
Lung cancer makes up 24% of cutaneous metastases in men.
As the first sign of malignancy most common related to lung, kidney and ovarian cancers.
Among women, breast cancer is the most common primary malignancy to give rise to cutaneous metastases.
Other cancers associated with skin metastases, in order of relative frequency among women, include melanoma, ovarian cancer, head and neck cancer, lung cancer, and colon cancer.
Adenocarcinomas which comprise the majority of breast cancers, show higher rates of cutaneous metastases then other carcinoma subtypes.