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Figure 1: (a) Erythroleukoplakic patch, bilateral cords. (b) NBI image, right cord, Va pattern (arrow). Inset- Close view. (c) WLE: Vocal cords in a case of recurrent respiratory papillomatosis. (d) NBI, depicting abnormal IPCL pattern (type Vb pattern in inset). Biopsy revealed squamous cell carcinoma. (e) WLE of vocal cords showing a leukoplakic patch whereas in (f) NBI vascular atypia was noted in a small area (Type Va arrow and inset). (g) WLE of vocal cords showing a small area of irregularity (arrow) where as in (h) NBI scattered brown dots were seen (inset- type Va) and biopsy in last two cases revealed CIS

Figure 1: (a) Erythroleukoplakic patch, bilateral cords. (b) NBI image, right cord, Va pattern (arrow). Inset- Close view. (c) WLE: Vocal cords in a case of recurrent respiratory papillomatosis. (d) NBI, depicting abnormal IPCL pattern (type Vb pattern in inset). Biopsy revealed squamous cell carcinoma. (e) WLE of vocal cords showing a leukoplakic patch whereas in (f) NBI vascular atypia was noted in a small area (Type Va arrow and inset). (g) WLE of vocal cords showing a small area of irregularity (arrow) where as in (h) NBI scattered brown dots were seen (inset- type Va) and biopsy in last two cases revealed CIS