Lympathtic Flashcards
lymphangitis
Inflammation of lymphatic vessels
Red streaks
distal to the site of infection
enlarged lymph nodes
lymphadenitis
inflammation of lymph node
lymphedema
may or may not pit
overlying skin thickens
Not relieved with diuretics
Stage 2: tissue fibrosis. Limb elevation does not reduce swelling. may not pit.
Stage 3: no pitting. Trophic skin changes
Lymphangioma/ Cystic Hygroma
Congenital dilated lymphatics
Commonly in neck
painless cystic mass, usually asymptomatic
often after an URI
lymphatic filariasis (elephantiasis)
Mosquito transmitted, causing widespread inflammation and obstruction
Susceptible to infection, cellulitis, fibrosis
Non Hodgkin Lymphoma
painless enlarged nodes
No liver/ bone marrow involvement
Hodgkin lymphoma
Involve spleen, liver and bow marrow
Epstein Barr Virus Mononucleosis
viremia and involve entire lymphoreticular system, involving spleen and liver
Incubation period in adolescents: 30-50 days
Prodromal period for 1-2 weeks
Lymphadenopthy commonly in anterior and posterior cervical nodes, submandibular and epitrochelar
hepatomegaly, but systematic hepatitis and jaundice is uncommon
splenomegaly
moderate to severe pharyngitis with tonsillar enlargement
petechiae at the junction of hard and soft palate
Toxoplasmosis
no significant symptoms
single node enlargement, usually in posterior cervical
Roseola Infantum (HHV-6)
common in infancy, peak at 2 y/o
virus present in adults saliva
fever for 3-4 days, then maculopapular rash from trunk to extremities
Cat Scratch Disease
common cause of lymphadenitis in children
papule/ pustle-> vesicle/ crust
tender nodes in head, neck, axillae. Can be very large
serum sickness
Type III hypersensitivity (7-10 days after)
urticaria-> joint pain, facial edema
