Congenital Localized Alopecia

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Clinical inspection of the hair and scalp of a newborn infant can tell us much. It is a method of early identification of genetic, metabolic, and neurologic disorders. There are a number of autosomal positive and autosomal negative gene disorders that are first manifested by disorders of the scalp and hair.


Thos infants that are found should have a focused reassessment, a thorough family history, and continued examination of the hair (Furdon & Clark, 2003). The clinician must also have a good understanding of the embryological development and cycles of hair growth, as well as an understanding of abnormal conditions. This paper will discuss a few of those conditions that might be seen in the newborn and young child.
Aplasia Cutis is a rare condition in which there is a congenital absence of the skin, usually presenting on the scalp (Beckman, Griot, Niessen, 2008). It can occur anywhere in the body but most often occurs at or near the scalp vertex and appears to be a single or sometimes multiple non-inflammatory patch of absent skin. It can vary in shape and size and how deep it is (Huang, Llang, Hu,, 2009). In about 20% of reported cases, part of the skull is also missing. The area may be pink or red and oval or round and may have a smooth, atrophic or papyraceus surface (Savoia, Giacomini, Aprile,, 2008). If the child is seen for the first time later, there may be hypertropic scarring where any healing takes place.
There are two different clinical presentations of this particular disease. Membranous which is believed to be a mild form of tubal closure defect and non-membranous which is irregular. ...
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