Lymphatics Flashcards
1
Q
Functions
A
- fluid balance
- filtration
- phagocytosis
- make lymphocytes
- make antibodies
- fat absorption from intestines
- pathway for malignancy
2
Q
Structures
A
- nodes
- ducts
- lymph fluid
- spleen
- thymus
- tonsils
- adenoids
- peyer patches in small intestine
3
Q
Drainage
A
- right upper body
- right subclavian vein
- all other
- thoracic duct -> left subclavian vein
- testes - abdomen
- penile and scrotal - inguinal
- female internal genitalia - pelvic and para-aortic nodes
- vulva and lower 1/3 vagina - inguinal nodes
4
Q
2 Types of Lymphocytes
A
- B
- from bone marrow, last 3-4 days, humoral immunity
- T
- bone marrow and mature in thymus, 4-5x more than B, last 200-300 days
5
Q
Lymph PE Techniques
A
- inspection
- visible nodes
- edema
- erythema
- red streaks
- lesions
- palpation
- consistency
- mobility
- tenderness
- size
- warmth
6
Q
lymphadenopathy
A
enlarged lymph node
7
Q
inflamed and enlarged lymph node
A
lymphadentitis
8
Q
streaks from infected area
A
lymphangitis
9
Q
edematous swelling of lymph node
A
lymphedema
10
Q
conginital malformation of dilated lymphatics
A
lymphangioma
11
Q
Enlarged Node Differentiation
A
- cyst - can transilluminate
- thrill-pulsation - auscultate
12
Q
Palpation Sites
A
- occipital
- post auricular
- prearicular
- parotid/retropharyngeal
- submandibular
- sublingual
- submental
- posterior cervical
- lateral cervical
- anterior cervical
- supraclivicular (Virchow nodes- left abdomen pathology)
- axillary (4 quadrants)
- epitrochlear (Hodgkin’s disease)
- inguinal superior and inferior superficial
- popliteal
13
Q
Infection vs. Malignancy
node characteristics:
- fixed, hard, painless
- enlarged, tender
- palpable supraclavicular
- slow inlargement over weeks
- rapid enlargement w/out signs of infection
A
- malignant
- infectious
- malignant
- benign or malignant
- benign or malignant
