Lung cancer

Question 1

Where are adenocarcinoma’s typically found, affect who?

Answer 1

Non–small-cell lung cancers include adenocarcinomas, both typical and bronchoalveolar subtypes. Squamous cell carcinoma and large-cell carcinoma are also included, which account for approximately 75% of all lung cancers. Adenocarcinomas typically occur peripherally within the lung and arise from bronchial mucosal glands, which secrete mucin. Unlike small-cell carcinoma, lung adenocarcinomas are commonly found in nonsmokers and are more common in females.

Question 2

Histologically what is seen with Adenocarcinoma?

Answer 2

Adenocarcinoma of the lung is currently the most common type of non–small-cell lung cancer, which is characterized histologically by the presence of glandular formation and mucin production. The identification of mucin is achieved using periodic acid-Schiff (PAS) staining.

Question 3

Squamous cell carcinoma histology wise we see what?

Answer 3

Keratin pearls and the presence of large, irregular nuclei with coarse nuclear chromatin are seen in cases of well-differentiated squamous cell carcinomas.

Question 4

Small Cell lung cancer is histologically characterized by?

Answer 4

Small-cell carcinoma of the lung is composed of sheets of small, round cells with scant cytoplasm and fine granular chromatin.

Question 5

Oat cell lung cancer is what? Arise from

Answer 5

Oat cell lung cancer is thought to arise from Kulchitsky cells and is peribronchially located in the chest. It is the most common type of Small cell lung cancer