Hawaiian Surfer Alberto, a 33-year-old male Caucasian, moved to Hawai\'i where h

Question

Hawaiian Surfer Alberto, a 33-year-old male Caucasian, moved to Hawai'i where he enrolled at UH Manoa to get his degree in biology. He fell in love with surfing, and spent all his spare time at the North Shore, with other surfers. One year later, during his usual medical checkup, a physician's assistant detected a small (less than 1 cm) growth on Albert's cheek. The physician's assistant suspected a tumor, but needed more examination to determine the type of tumor and whether it was benign or malignant. 1·The most common skin cancer derives from, certain skin cells and is named after them, using the suffix-oma (tumor). Identify the cells shown on Picture 6.4 as a source for melanoma, basaloma, and squamous cell carcinoma A. A. B. . C. Picture 64 Human skin, micrographe 2. What is the similarity between benign and malignant tumors? 3. What is the difference between benign and malignant tumors?

Explanation / Answer

1.

A. Squamous cell carcinoma as the arrows indicate the squamous cell layer of the skin epidermis.

B. Basaloma as the arrows indicate the basal layer of epidermis.

C. Melanoma as melanocytes stay deeper to the squamous layer of the skin.

2. Benign and malignant both tumors have the ability of uncontrolled growth. Cell cycle regulation is least in both these tumors.

3. Malignant tumors have the capability of forming cancer but benign tumors don't have this property. The cells of malignant tumor have the property of metastasis but the cells of benign tumor don't have this property.

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