Final answer:
Superficial plexus disease often encompasses conditions that cause localized inflammation of the dermis and hypodermis, presenting as red, warm, and painful skin, with examples including cellulitis, erysipelas, and staphylococcal scalded skin syndrome.
Step-by-step explanation:
The characteristic of superficial plexus disease in the context of skin conditions often includes localized inflammation of the dermis and hypodermis, which may present as skin that is red, warm, and painful to the touch. Common streptococcal conditions such as cellulitis and erysipelas are examples of superficial plexus diseases that involve the dermis and sometimes the hypodermis. They are typically caused by Streptococcus pyogenes. Erysipelas, for instance, presents as a large, intensely inflamed, raised patch of skin, which can be suppurative and result in a bullous form. Similarly, staphylococcal scalded skin syndrome (SSSS) is another condition affecting the superficial layers, caused by Staphylococcus aureus, and marked by erythema and severe peeling of the skin that resembles scalding.