This slide show features images of melanoma, basal cell carcinoma, squamous cell carcinoma, as well as images of metastatic disease.
Slide 4: Malignant melanoma. Pigmented papule with asymmetry, irregular border, and red, brown, and black color variation. Image credit: National Cancer Institute (NCI).
Slide 5: Malignant melanoma with halo. Central irregularly pigmented papule is surrounded by a 5-mm rim of depigmentation due to a local immune response. Halo effect can also be seen surrounding benign nevi. Image credit: NCI.
Slide 6: Computed tomography (CT) scan of rib, showing metastasis from melanoma (arrow). Image credit: Peter Choyke.
Slide 7: CT scan of chest wall showing sternal metastasis from melanoma (arrow). Image credit: Peter Choyke.
Slide 8: CT scan of adrenal gland showing metastasis from melanoma (arrow). Image credit: Peter Choyke.
Slide 9: Metastatic melanoma. Numerous pink/purple nodules and eroded plaques are present on the proximal thigh. Image credit: NCI.
Slide 10: Metastatic melanoma. Large eroded plaque on the leg with areas of crust. Scattered eroded dermal nodules are also present. Image credit: NCI.
Slide 12: Basal cell carcinoma, nodular. Flesh-colored nodules on the skin. Image credit: Kelly Nelson.
Slide 15: Micrograph of multicentric superficial basal cell carcinoma. Image credit: LWozniak&KWZielinski, Wikimedia Commons.
Slide 17: Squamous cell carcinoma. Tends to arise from actinic keratoses, premalignant lesions; surface is usually scaly and often ulcerates (as shown).