Successful Treatment of Adult-Onset Recurrent Respiratory Papillomatosis with CO₂ Laser and Photodynamic Therapy

Figure 4

Biopsy of the patient when the patient visited our hospital. (a) Magnification ×200 showing the similar appearance like the fist time. (b) Magnification ×40 showing Ki-67 is 10% positive in the sample. (c) Magnification ×200 showing HPV-16 was found in the lesion (red arrow).

(a)

(b)

(c)