Case 1: Lung FNA ( Fine Needle Aspirate)Sorry, adenocarcinoma is not the answer. Adenocarcinoma is characterized by crowded groups of epithelial cells with lack of orientation (slide 1). Nuclear Pleomorphism is present in most cases with irregular nuclear membranes and nucleoli (slides 2-4). Cytoplasmic vacuolization may also be present. Depending on the differentiation glandular formation may be seen.
Adenocarcinoma Slide 1
Adenocarcinoma Slide 2
Adenocarcinoma Slide 3
Adenocarcinoma Slide 4
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