A 56-year old male presented with lesion at the lung apex. He was working in asbestos factory for last 20 years. The lung biopsy was seen under electron microscope which revealed the following. What is your diagnosis?
Adenocarcinoma Lung
Mesothelioma
Lung metastasis
Benign pleural fibroma
Ans. (b) MesotheliomaElectron microscopy shows long microvilli & abundant tonofilaments but absent microvillous rootlets and lamellar bodies.
Respiration