Question

question 9 (mandatory) (10 points)
listen
the malignant tumor that is in the apex of the lung and causes tingling of the left arm and weakness of the hand muscles supplied by the ulna nerve is which of the following?
carcinoid tumor
horners tumor (syndrome)
malignant mesothelioma
pancoast tumor (syndrome)

Explanation:

• Carcinoid tumor: Usually not located at the lung apex with such nerve - related symptoms.
• Horner's tumor (syndrome): Mainly presents with ptosis, miosis, anhydrosis, etc., not the described nerve - related symptoms in the arm and hand.
• Malignant mesothelioma: Associated with asbestos exposure, more related to pleural symptoms rather than the described nerve - related symptoms from the lung apex.
• Pancoast tumor (syndrome): A tumor at the apex of the lung can invade surrounding structures, including nerves (such as those affecting the ulna nerve - related hand muscles), causing tingling in the arm and muscle weakness.

Answer:

Pancoast tumor (syndrome)