Symptoms Of A Nevus Sebaceous

Hemimegalencephaly

The majority of individuals with nevi sebaceous do not suffer from any symptoms besides discolored, hairless, or textured skin. However, in rare cases, patients may deal with linear nevus sebaceous syndrome. This is a type of unusual genetic disorder that causes individuals to get a large nevus sebaceous along with other issues. One potential symptom of linear nevus sebaceous syndrome is hemimegalencephaly, which is a type of neurological issue where one part of the brain is far larger than the other side. The brain malformation may cause the head itself to be enlarged or asymmetrical. It can occasionally occur without any marked impairments, but some patients who have this condition have motor deficits or movement difficulties on the side of the body controlled by the affected half of the brain. This means an individual with an enlarged right half of the brain might struggle to move their left arm and leg.

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Seizures

Patients who have linear nevus sebaceous syndrome often experience seizures as another symptom. Most individuals with seizures also have hemimegalencephaly, and this brain malformation is partially responsible for the symptom. However, even those without an abnormally large brain hemisphere can have a seizure problem. A seizure occurs whenever there is an electrical disturbance in the brain, so symptoms vary. It can sometimes result in full body spasms, but in some cases, patients may just lose consciousness, blink rapidly, or freeze for a moment. Individuals with a nevus sebaceous can have more than one seizure type, so it is possible for some seizures to go unnoticed. A seizure can be very dangerous, so it is important for individuals to seek medical help if they have a nevus sebaceous and start to experience any kind of seizure.

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