Which lung cancer type is typically central and treated with chemotherapy?

Which lung cancer type is typically central and treated with chemotherapy?

• A. Adenocarcinoma
• B. Mesothelioma
• C. Small cell carcinoma
• D. Squamous cell

Answer: (C)

Small cell carcinoma tends to arise centrally within the large airways and is highly aggressive, often spreading early. Because it typically has systemic spread by the time it’s diagnosed, chemotherapy is the mainstay of treatment, usually a platinum-based regimen (cisplatin or carboplatin) with etoposide, frequently given with radiation depending on stage. Surgery is rarely curative for this type due to the likelihood of widespread disease at presentation. In contrast, other central tumors like squamous cell carcinoma can be treated with surgery in early stages, and peripheral tumors like adenocarcinoma are more often managed with surgery or targeted therapies when feasible, with systemic therapy reserved for more advanced cases. Mesothelioma involves the pleura and has a different management approach.

Small cell carcinoma tends to arise centrally within the large airways and is highly aggressive, often spreading early. Because it typically has systemic spread by the time it’s diagnosed, chemotherapy is the mainstay of treatment, usually a platinum-based regimen (cisplatin or carboplatin) with etoposide, frequently given with radiation depending on stage. Surgery is rarely curative for this type due to the likelihood of widespread disease at presentation.

In contrast, other central tumors like squamous cell carcinoma can be treated with surgery in early stages, and peripheral tumors like adenocarcinoma are more often managed with surgery or targeted therapies when feasible, with systemic therapy reserved for more advanced cases. Mesothelioma involves the pleura and has a different management approach.