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|Description||This chapter covers the histopathological correlation of the dermoscopy term pseudonetwork|
|Author(s)||Katrin Kerl · Ralph Braun|
|Responsible author||Ralph Braun → send e-mail|
|Status update||July 2, 2018|
|Status by||Ralph Braun|
Glossary:Pigment network, Glossary:Face, Glossary:Pseudonetwork Cite:Pseudonetwork Message:Pseudonetwork Participate:Pseudonetwork
The anatomy of the rete ridge pattern of the face differs from that of non-facial skin, and is usually flatter. Accordingly, the pigment network is usually absent in these locations and is replaced by a pseudonetwork pattern. The "holes" in the pigmented epidermis correspond histologically to adnexal openings, such as sebaceous glands, hair follicles or sweat glands.
A pseudonetwork sketch:
Clinical and dermoscopic images of pseudonetwork:
Histologically, adnexal openings are responsible for the "holes" in the pigment reticulation: