Integumentary System

Integumentary System Worksheet

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Review Integumentary System Case study I and II. After completing the case studies answer the following questions. Submit your answers as a word document to the Week 2 dropbox. Feel free to use your text and other resources for this assignment BUT all answers must be in your own words and sources should be properly cited. Answers that are cut and pasted will result in a zero for this assignment.

1. Describe the different types of skin cancers, including the type of cells they arise from and the appearance of the lesions.

|As per our text, although there are numerous types of skin tumors, or neoplasms, of which most are benign (Marieb, p. 126), there |

|are three cancerous neoplasms. The three types of skin cancer include basal cell carcinoma, squamous cell carcinoma, and malignant|

|melanoma, all of which are malignant to varying degrees. |

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|“Basal cell carcinoma … is the least malignant and most common…” (Marieb p. 126). As would be implied by its name, it comes from |

|the stratum basale layer of the skin which is found in and at the very base of the epidermis, just above the dermis layer of skin. |

|The stratum basale cells are most likely to be effected by the areas of the body that are most exposed to the sun (UVA/UVB rays), |

|such as the face, neck, ears, and nose. This cancer is often noticed by the observation of a small shiny bump, but can also just |

|look like open soars or red patches that never seem to scab over and heal. Although this cancer is malignant it is rare for it to|

|spread to other parts of the body away from the original site of the tumor. (The Skin Cancer Foundation, 2013) |

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