Unna fibrokeratoma or keratoacrasia Unna fibrokeratosis (acrokeratosis) is a rare genetic disease that causes the growth of a flat, warty growth on the nail plate or just under the nail.
**Photo 1**
*Unn fibrokeratoma *photo 1* ![](/ru/images/Uunn fibrokerratoma.jpg) **Manifestations of unn fibrokeratoma** are spots or nodes on the feet and hands in the form of a discolored strip that goes around the nail plate or completely covers it . The patient may feel unevenness, roughness, tissue pain, itching, and experience difficulty moving the limbs and walking.
The main symptom is the formation of a crust on the surface of the skin under the nails, as in photo 2 below. Often a tumor on the skin appears suddenly, begins to grow quickly and within a few months reaches a diameter of several centimeters. In this case, the patient may experience itching and pain in the affected area, as well as difficulty walking in shoes. *Unna fibrokeratosis (*photo 2*) ![](/images/Unna fibrokerratoza.jpeg)
Pain occurs in the affected parts of the legs of a person with fibrokeratoma. The pain becomes more pronounced when pressing on the tumor with your fingers