Elaborated Answers Graded A+.
Foreign Body - ANSWER-object embedded or stuck inside a part of the body
Obstruction - ANSWER-something that blocks or gets in the way; an obstacle; CM cannot pass
through
Stenosis - ANSWER-narrowing, stricture
Tumor - ANSWER-mass of rapidly dividing cells that can damage surrounding tissue
Epiglottitis, FB, Obstruction, Stenosis, Tumor, Fistula, Calculus - ANSWER-What are the 7
indications in Sialography?
,Only one gland at a time can be examined. - ANSWER-What is the special notation for
Sialography?
Parotid Gland - ANSWER-Biggest Gland; Stensen's Duct
Submandibular Gland - ANSWER-Rivinus' Duct
Sialography - ANSWER-What radiographic examination includes the salivary ducts as the area of
interest?
Water-soluble CM - ANSWER-What is the CM used in Sialography?
For definitive diagnosis of a problem related to one of the salivary ducts - ANSWER-What is the
purpose of Sialography?
Calculus - ANSWER-Stones in the salivary ducts; should not have positive CM
Epiglottitis - ANSWER-Inflammation/swelling of the epiglottis
Fistula - ANSWER-Abnormal connection between two internal organs or between an organ and
the body surface
Sublingual Gland - ANSWER-Wharton's Duct
1. Scout film (no cm yet)
2. 2-3 mins before exam, give pt. secretory stimulant (lemon wedge)
3. Inject CM
4. Do radiographic Examination
5. Give pt. secretory stimulant
,6. 10 mins after exam, take another radiograph; post-evaluation radiograph - ANSWER-What are
the 6 steps procedure for Sialography?
Parotid - ANSWER-Specific POI for tangential projection in Sialography
Recumbent/Sitting/Supine/Prone - ANSWER-Pt pos'n for tangential projection in Sialography
Resting on occiput; rotated towards affected side; mandibular ramus-//-IR; POI perpendicular-IR
- ANSWER-Head pos'n in supine for tangential projection in Sialography
Resting on chin; rotated away from the affected side; flexed; mandibular ramus-//-IR - ANSWER-
Head pos'n in prone for tangential projection in Sialography
8 x 10 lengthwise-top-RT - ANSWER-IR size & pos'n for tangential and lateral projection in
Sialography
// to lat surface of mandibular ramus at a point between EAM and mandibular ramus-
perpendicular-IR - ANSWER-CRD for tangential projection in Sialography
Rest pt's head on the forehead and nose - ANSWER-In tangential proj, prone pos'n for
sialography, if Stensen's duct does not need to be demonstrated, what will u do?
Have pt. fill mouth with air as much as possible - ANSWER-What will u do if calculi is present in
sialography?
Suspended - ANSWER-Respiration for sialography
Parotid, Submandibular - ANSWER-Specific POI for lateral projection in Sialography
, Semi-prone/Sitted/Upright - ANSWER-Pt pos'n for lateral projection in Sialography
MSP of head approx. 15 degrees towards IR from true lat pos'n
Neck extended to free mandibular rami of cervical vertebrae - ANSWER-Head and neck pos'n in
demonstrating parotid for lateral projection in Sialography
Neck extended to free mandibular rami of cervical vertebrae
Head in true lat pos'n - ANSWER-Head and neck pos'n in demonstrating submandibular for
lateral projection in Sialography
Perpendicular at a point 1" above mandibular angle - ANSWER-CRD in demonstrating parotid for
lateral projection in Sialography
Directed at the inferior mandibular angle - ANSWER-CRD in demonstrating submandibular for
lateral projection in Sialography
Depressing the floor of the mouth to displace the submandibular gland below the mandible;
displacing the submandibular gland by placing pt's index finger on the back of the tongue if pt.
can tolerate - ANSWER-What is the suggestion of Iglauer in the demonstration of submandibular
gland?
Submandibular (antero-medial part)
Sublingual (entire gland) - ANSWER-Specific POI for axial (intraoral) projection in Sialography
Supine
Pt to close mouth to hold packet in pos'n
Shoulders to lie on the same transverse plane
Elevate thorax
Flex knees - ANSWER-Pt pos'n for axial (intraoral) projection in Sialography