|Description||In this chapter we describe streakslines radial (always at periphery) streaks Reed nevus melanoma recurrent nevus also calles Pseudopods and radial streamingRadial linear extensions at the lesion edge and their histopathological correlation|
|Author(s)||Ralph P. Braun · Oriol Yélamos|
|Responsible author||Ralph Braun → send e-mail|
|Status update||July 27, 2019|
|Status by||Ralph P. Braun|
Needless to say, the statistical probability of this happening is very low unless of course the pathologist uses dermoscopyThe examination of [skin lesions] with a 'dermatoscope'. This traditionally consists of a magnifier (typically x10), a non-polarised light source, a transparent plate and a liquid medium between the instrument and the skin, and allows inspection of skin lesions unobstructed by skin surface reflections. Modern dermatoscopes dispense with the use of liquid medium and instead use polarised light to cancel out skin surface reflections. at the grossing table to orient and oversee the step sectioning process. On occasion, peripheral globulesThis glossary term has not yet been described. and pseudopods can look similar to each other at first glance. However, with peripheral globules one will observe a small clear space separating the globuleThis glossary term has not yet been described. from the main tumor mass. These peripheral globules are presumed to correspond to junctional melanocytic nests at the tips of rete ridgesEpidermal extensions that project into the underlying dermis and they are usually associated with growing/enlarging neviThis glossary term has not yet been described.. In contrast, pseudopods emanate from, and are directly connected to, the main tumor mass through a stalk. Radial streamingRadial linear extensions at the lesion edge appears as radial parallel linear extensions at the periphery of the lesion. On histopathologyThis glossary term has not yet been described., radial streaming also correlates with confluent junctional nests of pigmented melanocytes.