Cardiovascular & Respiratory Pathology · NEET PG Preparation Pathology
A 60-year-old chronic smoker presents with a centrally located right lung mass. Biopsy reveals nests of malignant epithelial cells showing intercellu…
Practice question from Cardiovascular & Respiratory Pathology (NEET PG Preparation Pathology), with the correct answer and a step-by-step solution.
medium · MCQ · Q-EFDF0D
A 60-year-old chronic smoker presents with a centrally located right lung mass. Biopsy reveals nests of malignant epithelial cells showing intercellular bridges and keratinization, along with areas of keratin pearls. Which of the following is the most likely diagnosis?
- A.Small cell carcinoma
- B.Adenocarcinoma
- C.Squamous cell carcinomaCorrect answer
- D.Large cell carcinoma
Solution
Squamous cell carcinoma of the lung is typically centrally located and strongly associated with smoking. Histologically, it is characterized by squamous differentiation, including intercellular bridges and keratin pearls.
More from Cardiovascular & Respiratory Pathology
- A 55-year-old male with a history of anterior wall myocardial infarction 3 days ago develops sudden, severe chest pain, profound hypotensio…
- A 65-year-old smoker presents with chronic cough, dyspnea, and barrel-shaped chest. Histological examination of his lung parenchyma reveals…
- A 28-year-old pregnant woman in her third trimester presents with acute onset shortness of breath and pleuritic chest pain. She undergoes a…
- A 45-year-old male with a history of untreated streptococcal pharyngitis several weeks ago presents with migratory polyarthritis, subcutane…
Practise more Pathology
Sign up free for adaptive practice on this chapter, with instant feedback and hints on every question.
Start practising freeFree to start · No credit card needed