Mesothelioma Diagnosis Types of Mesothelioma 1 — Questions and Answers
Question 1: Which type of mesothelioma affects the lining of the lungs?
- Pleural mesothelioma (Correct answer)
- Peritoneal mesothelioma
- Pericardial mesothelioma
- Testicular mesothelioma
Correct answer: Pleural mesothelioma
Pleural mesothelioma arises from the pleura, the thin membrane surrounding the lungs, and is the most common form.
Question 2: What percentage of all mesothelioma cases does pleural mesothelioma account for?
- About 75% (Correct answer)
- About 50%
- About 25%
- About 90%
Correct answer: About 75%
Pleural mesothelioma accounts for approximately 75% of all diagnosed mesothelioma cases in the US.
Question 3: Which type of mesothelioma develops in the lining of the abdomen?
- Peritoneal mesothelioma (Correct answer)
- Pleural mesothelioma
- Pericardial mesothelioma
- Testicular mesothelioma
Correct answer: Peritoneal mesothelioma
Peritoneal mesothelioma originates in the peritoneum, the membrane that lines the abdominal cavity.
Question 4: Pericardial mesothelioma affects which organ's lining?
- Heart (Correct answer)
- Liver
- Kidney
- Spleen
Correct answer: Heart
Pericardial mesothelioma is a rare form that develops in the pericardium, the protective sac surrounding the heart.
Question 5: Which cell type in mesothelioma is associated with the best prognosis?
- Epithelioid (Correct answer)
- Sarcomatoid
- Biphasic
- Desmoplastic
Correct answer: Epithelioid
Epithelioid mesothelioma cells are well-defined and respond better to treatment, giving patients the best prognosis.
Question 6: What is the rarest form of mesothelioma by anatomical location?
- Testicular mesothelioma (Correct answer)
- Pericardial mesothelioma
- Peritoneal mesothelioma
- Pleural mesothelioma
Correct answer: Testicular mesothelioma
Testicular mesothelioma, arising from the tunica vaginalis testis, accounts for fewer than 1% of all mesothelioma cases.
Which type of mesothelioma affects the lining of the lungs?