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Soft tissue neck

Soft tissue neck. AP & Lateral WEEK 8 (9 for 2014) RTEC 124 -. Reasons for exam. Swelling of soft tissue structures Epiglotitis, Tonsilits, etc CROUP in infants. ST Neck. Similar to AP & Lat CSP Some change in techinque and central ray

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Soft tissue neck

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  1. Soft tissue neck AP & Lateral WEEK 8 (9 for 2014) RTEC 124 -

  2. Reasons for exam • Swelling of soft tissue structures • Epiglotitis, Tonsilits, etc • CROUP in infants

  3. ST Neck • Similar to AP & Lat CSP • Some change in techinque and central ray • To visualize nasopharygeal and laryngeal stuctures • Done in Inspiration

  4. AP ST NECK • AP C/R is ┴ at laryngeal prominence (adams apple) • Align chin with back of head

  5. TECHNIQUE CHANGES • LOWER KVP AND/OR MAS • SEE SOFT TISSUE NOT SPINE • C.SP = 70 KVP, 20 MAS, 72 “ • ST Neck = 65 kvp 15 mas 72”

  6. Lateral ST neck Ch. 15 – Merrills guidelines: • 1” below EAM for nasopharynx • At mandible angle for oropharynx • At adam’s apple for larynx AT THE CLINICAL: • (Should have top of the cassette – above the ear to include nasopharynx)

  7. Anatomical Features: 1 Nasopharynx 2Oral cavity 3Oropharynx 4Soft palate 5Laryngopharynx 6Body of hyoid bone 7Greater horn of hyoid bone 8Epiglottis 9Aryepiglottic folds 10Laryngeal ventricle 11Arytenoid cartilage 12Cricoid cartilage 13Esophagus 14Trachea

  8. Anatomical Features: 1Vestibule 2Vestibular fold 3Laryngeal ventricle 4Vocal fold 5Rima glottidis 6Subglottic space 7Trachea

  9. Lateral projection showing calcified hematoma of thyroid gland (arrows).

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