Estriol Induced Squamous Metaplasia on the Nasal Mucosa in Patients with Hereditary Hemorrhagic Telangiectasia

For the first time, we could outline the effect of topical estriol on the nasal mucosa. These histomorphological findings, and the fact that estriol is a low-potency metabolite of estradiol, make estriol a valuable agent in the treatment of HHT patients.