Indian J Pharm Close
 

Figure 1: Cytomorphology of solitary tracheobronchial papillomas; a) Atypical squamous cells present in a background of neutrophils (Case 1, ×40 magnification; Pap stain smear), with atypical squamous cell (inset, ×60 magnification); b) Squamous cell resembling a koilocyte identified in a bronchial brushing specimen (Case 1, ×40 magnification; Pap stain, ThinPrep); c) Ball of squamous cells seen on ThinPrep (Case 6, ×40 magnification; Pap stain, ThinPrep); d) Sheet of squamous cells seen in cell block (Case 6, ×10 magnification; H and E stain, cell block)

Figure 1: Cytomorphology of solitary tracheobronchial papillomas; a) Atypical squamous cells present in a background of neutrophils (Case 1, ×40 magnification; Pap stain smear), with atypical squamous cell (inset, ×60 magnification); b) Squamous cell resembling a koilocyte identified in a bronchial brushing specimen (Case 1, ×40 magnification; Pap stain, ThinPrep); c) Ball of squamous cells seen on ThinPrep (Case 6, ×40 magnification; Pap stain, ThinPrep); d) Sheet of squamous cells seen in cell block (Case 6, ×10 magnification; H and E stain, cell block)