Queries 5

September 21, 2009 · Posted in Uncategorized · Comments Off 

What Is Cancer


63 WHAT IS CANCER?
John A. Ridge M.D., Ph.D.

1. What is a neoplasm?

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A neoplasm is a new growth of tissue (tumor) in which cells grow progressively under conditions that do not prompt the growth of normal cells. A malignant neoplasm (cancer) is composed of cells that invade other tissues and spread.

2. What kinds of cancers are there?

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Malignant tumors of epithelial (surface tissue) cells are carcinomas. Malignant tumors of mesenchymal (connective tissue) cells are sarcomas. Carcinomas and sarcomas are solid tumors. Hematologic malignancies, such as leukemia, are liquid tumors of mesenchymal origin.

3. What about skin cancers?


Renal Cell Carcinoma. Bonus Question


BONUS QUESTION
9. What is Stauffer’s syndrome? Show answer
It is diagnosed with elevated liver function tests (LFTs) in the presence of renal cell carcinoma that normalize after nephrectomy and tumor removal. It is thought to be a type of paraneoplastic syndrome.

Appendicitis


37 APPENDICITIS
Alden H. Harken M.D.

1. What is the classic presentation of acute appendicitis?

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Periumbilical pain that migrates to the right lower quadrant (RLQ) in a patient who is anorexic.

2. Where is McBurney’s point?

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One third the distance between the anterosuperior iliac spine and the umbilicus.

3. What is McBurney’s point?

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The point of maximal tenderness in acute appendicitis.