correct answer C Explanation: Clinical features of melanoma | Dermatology

correct answer C

Explanation:

Clinical features of melanoma (ABCDES)
Assymetry : , the 2 sides are not identical • Border irregularities : uneven edges
• Color variegation Varaties pictures of brown, tan black md •
Diameter 20 mm .
Evolving Lesion changing in the shape, or color, new lesion

This patient's family history of skin cancer the melanocytic lesion seen on skin examination, and her 1-week history of focal neurologic deficit suggest that her seizure results from malignant melanoma metastatic to the central nervous system Melanoma commonly metastasizes to the brain, gastrointestinal tract, bone, liver, and lungs it is a malignancy of melanocytes, which are of neural crest origin

(Choice A) The endoderm gives rise to all structures derived from the inner lining of the primitive gut tube. These include the thyroid folicular cells; epithelial surfaces of the trachea, bronchi, and lungs liver and biliary treo pancreas, and gastrointestinal and bladder epithelium.

(Choice B) The mesoderm gives rise to the dermis as well as most bones muscles, blood vessels, and visceral tissue

(Choice D) The neuroectoderm gives rise to the central nervous system preganglionic autonomic neurons, retina, and posterior pituitary