Filling stage performed under fluoroscopic control and spot filmed during the initial visualization of. Modern sialography for screening of salivary gland obstruction. The present technique has been arrived at by consideration of all the factors involved and has proved satisfactory in a series of 93 sialograms, without any. In cases of sialolithiasis, ultrasound of the parotid glands is a useful, readily available, noninvasive, and inexpensive option. Comparison of sialography, non contrast computed tomography and ct sialography. A sialogram is a dye investigation of a salivary gland. The radiation dose is similar to conventional sialography, but the adequacy of ductal filling cannot be well assessed prior to performing the study and exposing the patient to radiation. Download as an information leaflet pdf having a sialogram. The importance of sialography, however, although emphasized repeatedly bypayne, seems to have. Rocket sialography catheters product discontinuation. A comparison of diagnostic methods article pdf available november 2016 with 1 reads. A sialogram is a test used to diagnose a blocked salivary gland or duct in your mouth. A sample of 30 consecutive patients undergoing sialography was. Mri is a noninvasive technique with advantages of superior tissue discrimination and multiplanar facility.
Sialography, the procedure in which the duct system of a salivary gland is opacified by direct injection of a suitable contrast medium, was first described by barsony 1 in 1925, about a year following the advent of cholecystography. The patient is seated comfortably upon a revolving stool between the upright table and the imageintensified fluoroscope. Anatomy tears lacrimal fluid are produced by the lacrimal gland which is located at the superolateral aspect of the orbit. The test is performed in a hospital radiology department or a radiology facility.
This examination is done by introducing a very thin tube into the opening of the duct and injecting a small amount of liquid. Ppt sialography powerpoint presentation free to view. The sialography technique used is described, and normal anatomy, anatomical variants and common pathology illustrated. First assistant, department ofsurgery, university of manchzster history the injection of radiopaque media to supplementa clinical opinion has long been regarded as a valuable aid to diagnosis. Pdf background mr sialography has become an alternative method for imaging the. Modern sialography for screening of salivary gland obstruction oscar hasson, dds purpose. Magnetic resonance sialography using ciss and haste. Sialography also termed radiosialography is the radiographic examination of the salivary glands. It is a simple procedure usually completed in 30 minutes. You may be given a medicine to make you calm before the procedure. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Sialography involves the introduction of a watersoluble contrast agent into the orifices of the salivary ducts.
A sialogram is an xray test using contrast xray dye to look in detail at the larger salivary glands the parotid or submandibular. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Contrast medium is infused into the stensons or whartons duct for evaluation of the parotid or submandibular glands, respectively, to outline and assess the. Place where a patient may go directly after a sialography procedure with the cannula still in the duct. Ct sialography and conventional sialography in the. Role of convencional sialography in the diagnosis of. The radiologist sits facing him, with a gooseneck lamp providing proper illumination. Sialography catheter with photographic enlargement oftipof catheter notebraidandcentral metalcoilforeasygrasping andmolding.
The radiographic sialography allows the demonstration of the ducts, ductules and parenchyma of the salivary glands by introducing a fatsoluble radiopaque contrast in. Sialography is one of the oldest imaging procedures and still most commonly practiced, as it is a chair side procedure, simple to. Mr sialography is based on the principle that stationary fluids will produce bright signal on heavily t2weighted images. In most cases, this procedure requires a minimum of specialized equipment and can be performed in a regular radiographic or fluoroscopic room. Links to pubmed are also available for selected references. Sialogram complications iowa head and neck protocols. Mr sialography is a noninvasive mri technique used to evaluate diseases of the salivary ducts. Instrument that may be used to open the ducts for a sialogram. Winner of the standing ovation award for best powerpoint templates from presentations magazine. A modem modality the computed tomography and magnetic resonance imaging techniques are use for suspected lession and stones because it give more clearer view of anatomy but it is more expensive than the sialographic procedure.
These glands help to keep your mouth moist by draining saliva into your mouth through small tubes called ducts. In several cases examined by the present authors with these methods heavy contrastfilling of the parenchyma resulted pig. On mri and mr sialography, both had a positive diagnostic rate of 92. When mri and mr sialography techniques were used together, the positive diagnostic rate increased to. Sialography medical definition merriamwebster medical. A sialogram is an xray procedure that looks at the salivary ducts and glands. Like conventional sialography, the procedure is invasive. Sialograms and sialography sialography is a digitally recorded radiographic modality used for both anatomical and functional evaluation of the salivary glands. Congenital, calcifications calculi, sialography, fluoroscopy. Download sialography 1 definition 2 anatomy 3 contrast media 4 position ppt for free. Learn vocabulary, terms, and more with flashcards, games, and other study tools. A complete sialographic examination should include 3 stages. A sialogram is an xray test to show the salivary glands and ducts.
Powerpoint presentation on sialography 1 definition 2 anatomy 3 contrast media 4 position available to view or download. A prospective comparative study of mr sialography and conventional sialography of salivary duct disease. Magnetic resonance mr sialography is a promising noninvasive tool for imaging of the ductal system of major salivary glands 718. The dye will show any stones, narrowed areas or if the duct is dilated. It usually involves the injection of a small amount of contrast medium into the salivary duct of a single gland, followed by routine xray projections the resulting diagram is called a sialogram. Contraindications nonconsent by patient to procedure contrast media or iodine allergy pregnancy risk is minimal but patient may wish to delay procedure 26.
A plastic syringe is filled with 2 ml of ethiodol or pantopaque and connected to a no. Ct sialography in comparison with conventional ct sialography in patients with parotid masses. Get a printable copy pdf file of the complete article 4. It usually involves the injection of a small amount of contrast medium into the salivary duct of a single gland, followed by routine xray projections. To revisit and reintroduce sialography as an important tool for the assessment and diagnosis of salivary gland obstruction. Mr sialography is an excellent example of the technique of mr. Sialography is an radiologic examination of salivary glands and ducts with the use of water based iodinated contrast media.
In 1925, barsony and uslenghi separately described sialography as a diagnostic tool. The duct dilation based on mr sialography showed 7 patients in stage 0, 14 patients in stage 1, 44 patients in stage 2, 26 patients in stage 3, and 2 patients in stage 4. Threedimensional processing of ultrafast ct sialography. Disadvantages of using oily contrast media for sialography. To describe the technique of parotid and submandibular sialography. Sialography definition of sialography by medical dictionary. Radiographic visualization of the salivary glands and ducts. Conventional mri techniques combined with mr sialography. Ct sialography and conventional sialography in the evaluation of parotid gland neoplasms volume 102 issue 2 l. Ecr 2014 c2165 sialography a technique worth revisiting. Sewing thread tied to clip, so that the latter cannot escape in the mouth if it is dropped or dips away b. Contrast xray dye is then injected into the salivary glands, which allows them to be seen more clearly on the xray pictures. Ct sialography and conventional sialography in the investigation of parotid masses larsgoran hansson and carl christian johansen, lund, sweden department of diagnostic radiology, section of oral radiology, university hospital in a 3year period computed tomography ct, both plain and in combination with sialography, and conventional sialography were used in 59 patients who had or. The technique is described as well as normal appearances of both the parotid.
Very slow excretion rate and can cause granulomatous tissue formation. Sialography is a valuable diagnostic procedure in the workup of disease conditions of the major salivary glands. Sialography procedure and steps online radtechonduty. In most cases, ultrasound with sialography, if required is an appropriate imaging modality for the investigation of ductal pathology. Current procedural terminology sialography, radiological. Tips for the radiologist use of mr sialography and t2w fat. These glands drain saliva into your mouth through small tubes ducts. It is carried out to look in detail at the larger salivary glands, namely the parotid or submandibular glands. This probe procedure is done without any anesthesia since it is not too painful. Full text full text is available as a scanned copy of the original print version. Department of radiology the technique of sialography, the normal anatomy of the major salivary glands visualized on sialography and salient radiographic features observed in various pathologic conditions are illustrated. Because ofthese problems, wehavedesigned asimple catheter which avoids theuseofahemostat. Hence, conventional sialography is useful in the diagnosis and also. Manashil modification ofrabinov sialography set,cook, inc.
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