Multiple Choice
When coding neoplasms, which term is defined as the absence of invasion of surrounding tissues?
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11. Cell Division
Cancer
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Which of the following is an example of a benign tumor made up of muscle tissue?
A
Melanoma
B
Liposarcoma
C
Leiomyoma
D
Adenocarcinoma
Verified step by step guidance1
Understand the key terms in the question: A 'benign tumor' is a non-cancerous growth that does not invade nearby tissues or spread to other parts of the body. 'Muscle tissue' refers to tissues like smooth, skeletal, or cardiac muscle.
Review the options provided: (1) Melanoma, (2) Liposarcoma, (3) Leiomyoma, and (4) Adenocarcinoma. Identify which of these terms are associated with muscle tissue and whether they are benign or malignant.
Recall that 'Leiomyoma' is a benign tumor that arises from smooth muscle tissue, commonly found in areas like the uterus (e.g., uterine fibroids). This matches the criteria in the question.
Eliminate the other options: (1) Melanoma is a malignant tumor of melanocytes (skin cells), not muscle tissue. (2) Liposarcoma is a malignant tumor of fat tissue. (4) Adenocarcinoma is a malignant tumor of glandular epithelial tissue.
Conclude that the correct answer is 'Leiomyoma,' as it is the only benign tumor made up of muscle tissue among the options provided.
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