Skin Conditions in Noonan Syndrome
Individuals with Noonan syndrome often encounter various skin conditions, including changes in body hair density and texture, as well as alterations in skin color and texture. One common issue is the development of keloids, which are excessive scars. Additionally, hyperkeratosis, characterized by an overgrowth of the outer layer of skin, may occur. Another skin abnormality observed in Noonan syndrome is the presence of pigmented nevi, which are darkly pigmented skin spots. Connective tissue disease can also manifest as a skin abnormality in individuals with Noonan syndrome.
Impact of Noonan Syndrome on Ear Appearance and Hearing
Individuals with Noonan syndrome often exhibit distinctive ear abnormalities. Approximately 90 percent of patients have ears that are positioned unusually low on the head and tend to rotate backward. Furthermore, the ears may display incomplete folding and a thick outer rim, known as the helix, which is observed in over 90 percent of cases.
In addition to these visual characteristics, individuals with Noonan syndrome commonly experience hearing difficulties. They are susceptible to frequent ear infections and other chronic ear conditions that can significantly impair their hearing abilities.