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Unit C Notes 2


Malignant Neoplasm basal cell carcinoma, squamous cell carcinoma, malignant melanoma
Basal Cell Carcinoma 75% nonmelanoma skin cancers- rarely meets or causes death (facial areas)
Squamous Cell Carcinoma 2nd most common skin cancer- if treated early-75% cure
Malignant melanoma originates in lower epidermis and in melanocytes. Can spread to lymphatic and circulatory systems. Can mets. to skin, lung, liver, bone with 15% survival rate
Difference in Basal and Squamous Cell Carcinoma appearances on skin? Basal- more translucent appearance. Squamous- deep red appearance on skin.
Malignant Neoplasms Adenocarcinoma, Transitional Cell Carcinoma, Sarcomas
Adenocarcinoma Refers to cancer of glandular tissue- broad term used to describe cancer in areas such as esophagus, endometrium, cervix, lung, pancreas, prostate, stomach, sm. intes.
Transitional cell carcinoma cells lining passages of urinary tract. (include urethra and bladder)
Sarcomas arise from connective tissue. Highly invasive and mets. rapidly; bulky with abundant blood supply- growth can exceed bld supply
Why are sacomas difficult to remove and treat. Growth of sarcomas can exceed bld supply and cause ulceration and hemorrhage- common is the uterus.
Created by: Esimon