Melanoma is a tumor arising from malignant transformation of pigment-containing cells called melanocytes, which are found in the stratum basale of the epidermis.
Most arise in the ski...
Change in a pigmented lesion: either hypo- or hyperpigmentation, bleeding, scaling, ulceration, or changes in size or texture
Obtain family and personal history of melanoma or nonmelan...
Routine screenin...
C43.9 Malignant melanoma of skin, unspecified
C43.30 Malignant melanoma of unspecified part of face
C43.4 Malignant melanoma of scalp and neck
C43.39 Malignant melanoma of other parts of face
C...
Remember that amelanotic melanomas exist; pigmentation is not required.
70% of melanomas are de novo, not from preexisting nevi. Still, any changing nevi should be biopsied, preferably ...
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Skin Cancer - malignant melanoma
Figure 5.82. Equator-plus photograph of an eye with radiation retinopathy resulting from cobalt plaque irradiation (brachytherapy) for a choroidal melanoma. The hard exudation is extensive.
Figure 5.82. Equator-plus photograph of an eye with radiation retinopathy resulting from cobalt plaque irradiation (brachytherapy) for a c...
The clinical appearance of the radial growth phase in malignant melanoma of the superficial spreading type. The larger diameter is 1.8 cm.
FIGURE 52.7 Two forms of malignant melanoma: superficial spreading (left) and nodular (right). Bickley, L. S., & Hoekelman, R. A. (1999). Bates' guide to physical examination and history taking (7th ed.). Philadelphia: Lippincott Williams & Wilkins.
FIGURE 52.7 Two forms of malignant melanoma: superficial spreading (left) and nodular (right). Bickley, L. S., & Hoekelman, R. A....
Fundus photograph of a choroidal melanoma adjacent to the optic disc, showing geographic orange pigment on the surface of the lesion.
Irregular "atypical" nevus of the breast. Patient had dysplastic nevi elsewhere.
FIGURE 21-5.?Characteristics of malignant melanoma. Shows asymmetry. (Courtesy of The American Cancer Society; American Academy of Dermatology.)
FIGURE 21-5.?Characteristics of malignant melanoma. Shows asymmetry. (Courtesy of The American Cancer Society; American Academy of Dermat...
FIGURE 33.6 (C) Lentigo-maligna melanoma; note irregular pigment pattern.
Melanoma of chest wall near an old thoracotomy scar
Multiple atypical, biopsy-proven dysplastic nevi
Dysplastic nevus. Slight 'fried-egg' appearance.