Table 3.

Infections with known lymphatic involvement or potential as a lymphatic portal.

Term	Site	Description
Bacteraemia	Blood	Presence of viable bacteria in the circulating blood
Cellulitis	Subcutaneous tissue	Infection of the lower dermis and subcutaneous tissue causing spreading inflammation
Cryptic infection	-	Bloodstream or deeper tissue infections that lack a known peripheral focus
Erysipelas	Epidermis	Infection of the superficial epidermis
Fasciitis (necrotizing)	Fascia	Infection of superficial or deep fascia in association with tissue destruction.
Impetigo	Keratin layer of epidermis	Infection of superficial keratin layer of skin
Lymphadenitis/lymphadenopathy	Lymph nodes	Inflammation/enlargement of lymph nodes due to presence of infection within vessels or tissue drained by the lymph node, or the node itself
Lymphangitis	Lymphatic vessels	Inflammation of lymphatic vessels resulting from infection of the vessels themselves, or nearby tissue
Myositis/myonecrosis	Muscle	Infection of muscle leading to inflammation/necrosis
Puerperal sepsis	Uterus	Infection of the genital tract, particularly the uterus, occurring soon after labour