1. LYMPHATIC DRAINAGE OF HEAD & NECK
Dr. Ahmed Fathalla Ibrahim

2. LYMPHATIC DRAINAGE OF HEAD & NECK
REGIONAL GROUPS
Occipital
Retroauricular (mastoid)
Preauricular (parotid)
Buccal (facial)
Submandibular
Submental
Anterior cervical
Superficial cervical
Retropharyngeal
Laryngeal
Tracheal (pre & paratracheal)
TERMINAL GROUPS
Deep cervical lymph nodes

3. REGIONAL GROUPS OCCIPITAL: Site: at apex of posterior triangle
Afferents: from back of scalp & auricle
RETROAURICUALR (MASTOID)
Site: over mastoid bone
Afferents: from above auricle
PREAURICULAR (PAROTID)
Site: superficial & within parotid gland
Afferents: from lateral surface of auricle, scalp above auricle, lateral parts of eyelids

4. REGIONAL GROUPS BUCCAL Site: along facial veins SUBMANDIBULAR
Site: superficial to submandibular gland
Afferents: from front of scalp, nose, cheeks, lips (except central part of lower lip), anterior 2/3 of tongue (except tip), teeth (except incisors), paranasal sinuses (except sphenoidal), floor of mouth
SUBMENTAL
Site: in submental triangle
Afferents: from central part of lower lip, tip of tongue, incisors, skin over chin

5. REGIONAL GROUPS ANTERIOR CERVICAL Site: along anterior jugular veins
Afferents: from skin & fasciae in front of neck
SUPERFICIAL CERVICAL
Site: along external jugular veins
Afferents: from skin & fasciae over angle of mandible, lobule of ear, back of neck
RETROPHARYNGEAL
Site: retropharyngeal space (between pharynx & prevertebral fascia
Afferents: from pharynx, auditory tube, sphenoidal sinus, prevertebral region

6. REGIONAL GROUPS LARYNGEAL Site: in front of larynx
Afferents: from larynx, infrahyoid region
TRACHEAL (PRE & PARA)
Site: in front & on each side of trachea
Afferents: from trachea, thyroid gland

7. DEEP CERVICAL LYMPH NODES
SITE: embedded in fascia of carotid sheath, along internal jugular vein
SUBDIVISIONS:
Jugulo-digastric group: below posterior belly of digastric
Jugulo-omohyoid group: below intermediate tendon of digastric
EFFERENTS: form the jugular lymph trunk that drain into thoracic or right lymphatic duct