Author: Glossary
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Epidermal nevus
Raised lesions present at birth. They may be hyperkeratotic and widely distributed.
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Dysplastic nevus
A nevus composed of cells having some malignant characteristics.
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Compound nevus
Clusters of melanocytes found both in the epidermis and the dermis.
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Nevus comedonicus
A horny nevus that contains a hard plug of keratin. It is caused by failure of the pilosebaceous follicles to develop normally.
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Capillary nevus
A nevus of dilated capillary vessels elevated above the skin. It is usually treated by ligature and excision.
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Blue rubber bleb nevus
An erectile, easily compressible, bluish, cavernous hemangioma that is present in the skin and gastrointestinal tract.
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Blue nevus
A dark blue nevus covered by smooth skin. It is composed of melanin-pigmented spindle cells in the mid-dermis. A small, hard, slate-blue bump typically located on the lower back. It’s harmless and doesn’t grow. While no treatment is needed, it can be removed if the patient desires.
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Nevus araneus
Acquired or congenital dilatation of the capillaries, marked by red lines radiating from a central red dot.
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Neutrotaxis
The phenomenon in which neutrophils are repelled by or attracted to a substance.
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Neutrophil recovery
In neutropenic patients, especially those who have been treated with chemotherapy or bone marrow transplantation, the return of neutrophil counts to higher than 500 cells/mm3.