There are two basic kinds of medical test results: 1  Tests that give yes or no answers (usually used for diagnostic purposes) 2  Tests that give relative results, as in measuring something to be higher or lower, bigger or smaller than before, or inside or outside a normal range.
Top 10 unbelievable historical concurrencies. A junctional nevus, sometimes called a mole, is a type of benign, or non-cancerous, skin growth. It is typically dark brown, flattish and rounded in appearance.
Acquired melanocytic nevi are considered benign neoplasms. In contrast, congenital melanocytic nevi are perhaps best interpreted as congenital malformations. Melanocytes are of neural crest origin, and congenital nevi probably represent an error in the development and migration of these neuroectodermal elements.