Certified Tumor Registrar (CTR) Practice Exam

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Prepare for the Certified Tumor Registrar Exam with flashcards and multiple choice questions. Each question includes hints and explanations to enhance your understanding. Get exam-ready today!

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A cystadenocarcinoma typically arises in which of the following organs?

Pancreas
Liver
Ovary
Stomach

The correct answer is: Ovary

Cystadenocarcinoma is a type of malignant tumor that is characterized by glandular tissue with cystic features. It most commonly arises in the ovaries, which is why the choice indicating the ovary is considered correct. Ovarian cystadenocarcinomas can be classified into serous and mucinous types, and they represent a significant proportion of ovarian cancers. Their development is often linked to risk factors such as family history and genetic mutations. While cystadenocarcinomas can occur in other organs, such as the pancreas and the liver, they are less commonly encountered in those locations when compared to ovarian cases. In the stomach, adenocarcinomas do exist, but they are typically classified differently than cystadenocarcinomas. Understanding the specific types and their common sites of occurrence is crucial for cancer registrars and those involved in oncology data management.