![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKL1yVeO_81duFTc2B2zIF4AZ2TdSqwyuvzPquEHfM2UlF4ZKZlgpI88JMOamKQP6x8lCOKczClxXQ5OV705AOW6qEou16wdCdym6zsj1pIZiaqPhFqgNpM1kMuA6lW71ospXW7a9ulC4/s400/michel+78.jpg)
A 78-year-old man consulted for this rapidly enlarging tumor on the left side of his nose. The lesion was present for 3 months. The possible clinical diagnoses were keratoacanthoma, squamous cell carcinoma, and basal cell carcinoma.
Derm
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNYLUuGY8X_wjVOrSeYvrg4upLmhDGzi81LK0eWmuXr5odCpscw4OBfYhKmxLcL1C3aiuERzVj3ggOoIbv4xmHkua2tXArvwUKuMvD9zS5c6Cy_9szlulubEdQKVjPVf5PSGSofxpLYuY/s400/michel+782.jpg)
oscopy revealed
whitish halo (A) and
linear-irregular vessels (B). The lesion was excised and pathology was in favor of a
squamous cell carcinoma.