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LYMPHATIC DRAINAGE OF HEAD & NECK

LYMPHATIC DRAINAGE OF HEAD & NECK. Dr. Ahmed Fathalla Ibrahim. LYMPHATIC DRAINAGE OF HEAD & NECK. REGIONAL GROUPS Occipital Retroauricular (mastoid) Preauricular (parotid) Buccal (facial) Submandibular Submental Anterior cervical Superficial cervical Retropharyngeal Laryngeal

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LYMPHATIC DRAINAGE OF HEAD & NECK

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  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

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