Term 1, CPC 6 Quiz

Which of the following is the most common type of primary carcinoma of the lung in non-smokers?  

A 50 year-old female, non-smoker is found to have a peripheral opacity on a CXR. Which of the following is most likely type of carcinoma?  

This is the microscopic image from the bronchial cytology specimen of a 48 year-old male who presented with weight loss and chronic cough. Which of the following would be the most likely diagnosis?    

This is an image of a lung removed from a 45 year-old female smoker. Which of the following is the most likely diagnosis?  

A 37 year-old woman consults her GP with symptoms of a non productive cough, present for approximately 4 months. The GP elicits a further history of loss of appetite and a 6 kg weight loss over the previous 2 months. She does not smoke.  On examination, she is afebrile, and there are no remarkable findings.  A CXR shows a right peripheral subpleural mass. A fine needle aspiration biopsy is performed and the patient undergoes a right lower lobectomy. The microscopic appearance of the lesion is shown in the below image.  What is the most likely diagnosis?