How Long Until the Finger in my Ear is Gone?

There are a number of reasons why there would be a scab within a scar 3 months after Mohs surgery. Sometimes a buried suture will extrude if it works its way to the surface of the skin. That is called suture extrusion or suture spitting. There could be an infection or there could be some...

Thank you for your question. After any surgical procedure, healing generally can continue to occur for several months until maturation of the scar and wound. This is typically reached by about one year after a surgery. Without seeing a picture, it would appear that your wound was either...

Swimming in a pool or hot tub is not recommended unless the wound is epithelialized, or else you risk infection of the wound. Raffy Karamanoukian, Los Angeles

It is impossible to tell exactly what is doing based on that photo. I would consider Tinea Versicolor, which is caused by a yeast, to be a possible cause.

The bug bite was most likely a co-incidence. Chronic inflammation seems to be a factor in the development of squamous cell carcinomas, especially of the oral cavity but basal cell carcinomas have not been linked to bug bites. 

You should be washing the area with light suds during your shower. You can get this from antibacterial soap, but even suds from shampoo should help. Often, I'll have patients use a small amount of hydrogen peroxide on the healing surgical wound itself to help remove crust. But being four days...