Reactions following the administration of iodine are well documented in general radiography, but are unusual following sialography. 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. Sialography has been used for several years in ss and allows classification of patients with abnormal patterns, although sialographic changes in ss are not specific. Cardiff and vale university health board 23,503 views. Sinography medical definition merriamwebster medical. Learn vocabulary, terms, and more with flashcards, games, and other study tools. When mri and mr sialography techniques were used together, the positive diagnostic rate increased to. Ppt sialography powerpoint presentation free to view id.
Prior to performing sialography on the live animals the procedure was carried out on cadaver heads. To describe the technique of parotid and submandibular sialography. Sialography was introduced simultaneously and independently by barsony 1925, uslenghi 1925 and carlsten 1926, a contrast medium of high viscosity being used lipiodol or iodized oil. Sialography also termed radiosialography is the radiographic examination of the salivary. Sialography also termed radiosialography is the radiographic examination of the salivary glands. Mri and mr sialography can noninvasively delineate the parenchymal and ductal system abnormalities of the parotid glands in children with jrp. Conventional mri techniques combined with mr sialography on t2.
Feb 27, 2016 sialography involves the introduction of a watersoluble contrast agent into the orifices of the salivary ducts. You will be asked to lie on your back on the xray table. Our aim was to explore the possibility of delineation of the facial nerve within the parotid gland and to differentiate between superficial and deep parotid lesions in relationship to it, using ultrasound, ct, mri, mri sialography mris and ct sialography cts. Full text full text is available as a scanned copy of the original print version. You may be given a medicine to make you calm before the procedure. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. We compared the diagnostic accuracies of mr sialography and digital subtraction sialography in patients with successful completion of both examinations and benign salivary gland disorders. Mr sialography is based on the principle that stationary fluids will produce bright signal on heavily t2weighted images. Magnetic resonance sialography using ciss and haste.
The major excretory ducts can be normal but also atrophic with intraglandular diffuse collections that persist during the evacuation time of. A patient who experienced an adverse reaction following sialography with an iodinebased, low osmolar, contrast medium, hexabrix 320, is presented. A catheter for parotid sialography jama otolaryngology. In cases of sialolithiasis, ultrasound of the parotid glands is a useful, readily available, noninvasive, and inexpensive option. A sample of 30 consecutive patients undergoing sialography was selected. The salivary ducts are conventionally examined fluoroscopically with high sensitivity, though crosssectional imaging with ct or mr sialography has also been desc. Arrive in radiology suite prior to scheduled procedure time to fill out consent and ensure physical exam has been performed. Sialography is a simple technique and an important tool for the assessment of salivary gland obstruction in patients presenting with sialadenitis. Conventional mri techniques combined with mr sialography. Modern sialography for screening of salivary gland.
Sialography is one of the oldest imaging procedures and still most commonly practiced, as it is a chair side procedure, simple to perform, and cost effe ctive. Rabinov sialography catheter specifications images. This product line is serviced by the following clinical divisions. Ppt sialography powerpoint presentation free to view. Indoor biotechnologies dust sample extraction procedure. Josef shargorodsky, md, mph, johns hopkins university school of medicine, baltimore, md. These glands help to keep your mouth moist by draining saliva into your mouth through small tubes called ducts. Interventional radiology interested in ordering this product. Occasionally it can be difficult to the find the duct opening and in those cases the procedure with take longer. Sonography, ct, ct sialography, mri and mri sialography in. Interventional sialography minimally invasive interventional procedures balloon catheters and small dormia baskets under fluoroscopic guidance. Sialography definition of sialography by medical dictionary. If there is less than 100mg take a minimum of 10mg for extraction.
Sialography of sheep parotid and mandibular salivary glands. Ultrasound is often the first line imaging modality chosen today 6, but has limited resolution in deeper ductal anatomy and thus makes ductal pathology more difficult to identify compared to sialography. Sinography definition of sinography by medical dictionary. Sialography its technique and applications payne, reginald t. Original article conventional mri techniques combined with mr. Mr sialography using ciss and haste sequences is a promising technique and. Chapter 6 3d mr sialography as a tool to investigate. Development and application of a technique for three. A sialogram is a test used to diagnose a blocked salivary gland or duct in your mouth. Sialography sialography is the radiographic visualization of the salivary gland following retrograde instillation of soluble contrast material into the ducts indications 1. A free powerpoint ppt presentation displayed as a flash slide show on id. The adjacent image is a sialogram of the submandibular gland that demonstrates stricture of. Feb 27, 2019 sialography may be performed when a disorder of the salivary ducts andor glands is suspected.
To revisit and reintroduce sialography as an important tool for the assessment and diagnosis of salivary gland obstruction. Sialographic appearance of intrinsic tumour an area of underfilling within the gland, due to ductal compression by the tumor. In most cases, this procedure requires a minimum of specialized equipment and can be performed in a regular radiographic or fluoroscopic room. Digital subtraction shows better delineation of the ductal morphology and enables. Comparative study of mr sialography and digital subtraction. This product line is serviced by the following clinical division s. Sialography is an radiologic examination of salivary glands and ducts with the use of water based iodinated contrast media. Fistulogramsinogram a fistulogram uses a form of realtime xray called fluoroscopy and a bariumbased contrast material to produce images of an abnormal passage within the body called a fistula. Similarly, a sinogram assesses an abnormal passage called a sinus that originates or ends in one opening, often on the skin. Sialography may be performed when a disorder of the salivary ducts andor glands is suspected.
We examined 47 patients with clinically suspected parotid tumours by us, 31 of them also by ct, mri and cts, and by mris as well. The salivary ducts are conventionally examined fluoroscopically with high sensitivity, though crosssectional imaging with ct or mr sialography has also been described. 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. The major excretory ducts can be normal but also atrophic with intraglandular diffuse collections that persist during the evacuation time of the procedure. However, this procedure requires cannulation of the ducts, which cannot always be achieved. Ensure microscope, guidewire, rosen needle, ziegler dilators in addition to other necessary equipment are available in the room prior to start. Jul 20, 2014 contraindications nonconsent by patient to procedure contrast media or iodine allergy pregnancy risk is minimal but patient may wish to delay procedure 26. It is a simple procedure usually completed in 30 minutes. Sialography spring 2011 final sialogram of parotid with normal ductal findings. Preventing or reducing the frequency of recurrence remains the goal of therapeutic procedure. How to merge studies and images merging a study each study in the study list is associated with a patient name.
It is estimated that during sialography, in manual administration of the. Serving faculty and staff in norman, oklahoma city, and tulsa campuses. The contents of this web site are for information purposes only, and are not intended to be a substitute for professional medical advice, diagnosis, or treatment. This technique produces sialographic images similar to those of. Most authors use rabinov sialography catheters for this procedure figure 10 11,22,27. Diagnostic accuracy of mr sialography in sialolithiasis and salivary. On mri and mr sialography, both had a positive diagnostic rate of 92. Nov 21, 2011 interventional sialography minimally invasive interventional procedures balloon catheters and small dormia baskets under fluoroscopic guidance.
Pdf mr sialography in patients with sjogren syndrome. Type of water based contrast media commonly used for sialography that is easier to excrete but provides less density take scout, check for stones, check techniques and positioning, radiologist dilates and cannulates duct, contrast media is injected, images taken, and lemon drop to stimulate evacuation contrast. Request pdf sialography of sheep parotid and mandibular salivary glands. Like conventional sialography, the procedure is invasive. Sialography was then completed, which revealed a sequence of imaging that demonstrated a mobile metallic density in the left parotid duct, concerning for a foreign body obstructing the ductal system. Sialography uses t2 weighted sequences with very long tr 8000, te 500 and spectral presaturation inversion recovery spir. Modern sialography for screening of salivary gland obstruction oscar hasson, dds purpose. If you continue browsing the site, you agree to the use of cookies on this website. Sialography is one of the most preferred technique and indicated for. A sialogram is an xray test using contrast xray dye to look in detail at the larger salivary glands the parotid or submandibular. The majority rely on dilatation of stensens duct with lacrimal duct dilators prior to definitive cannulation. There may come a time when one of your patients has studies in the system under two different names, such as a maiden name and married name. Original article conventional mri techniques combined with.
Used during sialography procedures involving the submandibular duct or the parotid duct. Xray sialography technique is invasive which requires manual skills. Any information contained in this pdf file is automatically generated from digital material. Rearrange individual pages or entire files in the desired order. Determine the presence and position of calculi or other blockages. No anomalies were seen in the normal nasal cavities. In a prospective study, we attempted to examine salivary glands in 80 patients.
A wedged catheter tip positioned in the duct prevents backward leakage of contrast material into the oral cavity. A sialogram is performed to diagnose blockage of the salivary flow due to stones or strictures. Sialography is the imaging of the salivary glands, most commonly the parotid 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. Dynamic imaging with sialography combined with sialendoscopy. Clinical sialography hardcover january 1, 1978 by gordon b manashil author visit amazons gordon b manashil page. Salivary gland calculi contemporary methods of imaging europe. Sialography involves the introduction of a watersoluble contrast agent into the orifices of the salivary ducts. Sialography, after introduction of contrast dye into the ductal system, provides a view of the ductal system and surrounding parenchyma. Get a printable copy pdf file of the complete article 4. In a prospective study, we attempted to examine salivary.
Feasibility study this chapter is part of the manuscript submitted as. 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. Apr 06, 2014 sialography is an radiologic examination of salivary glands and ducts with the use of water based iodinated contrast media. Checklist steroid insufflation to salivary glands in clinic. Various techniques for the cannulation of stensens duct in the performance of parotid sialography have been utilized. This examination is done by introducing a very thin tube into the opening of the duct and injecting a small amount of liquid. In most cases, ultrasound with sialography, if required is an appropriate imaging modality for the investigation of ductal pathology. The test is performed in a hospital radiology department or a radiology facility. Find all the books, read about the author, and more. Contraindications nonconsent by patient to procedure contrast media or iodine allergy pregnancy risk is minimal but patient may wish to delay procedure 26. Links to pubmed are also available for selected references.
Conventional mri techniques combined with mr sialography on. Although mr and mr sialography cannot substitute us, they can accurately depict findings such as sialectasis and signal intensity changes in the parotid gland depending upon the phase of the disease. A sialogram is a test which takes an xray picture of the salivary ducts and the related glandular structures. Ideally, you would want to consolidate, or merge, these studies under the one patient. This probe procedure is done without any anesthesia since it is not too painful. Hence, conventional sialography is useful in the diagnosis and. Sialograms and sialography iowa head and neck protocols. Sialography procedure and steps online radtechonduty. A sample of 30 consecutive patients undergoing sialography was. Pdf the purpose of this study was to evaluate the effectiveness of mr sialography of the. Ppt sialography powerpoint presentation free to download. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. The reaction consisted of severe shoulder and back pain 24 h after the procedure.
Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Mr sialography is a noninvasive mri technique used to evaluate diseases of the salivary ducts. Few, if any, find the necessity for the application of topical or. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Very slow excretion rate and can cause granulomatous tissue formation. Sialogram imaging glossary patients ur medicine imaging. Josef shargorodsky, md, mph, johns hopkins university school of medicine. 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.
Original article conventional mri techniques combined with mr sialography on t23ddrive in sjogren syndrome yande ren, xiangrong li, jing zhang, liling long, weixiong li, yaoqi han department of radiology, first affiliated hospital of guangxi medical university, nanning, china. Anatomy tears lacrimal fluid are produced by the lacrimal gland which is located at the superolateral aspect of the orbit. Assess the extent of ductal and glandular destruction. Nasal endoscopy of the accessory nasal cavity revealed that it was small and did not communicate with the ipsilateral normal nasal cavity, a finding that was later confirmed by sinography. This assessment was followed by operative sialendoscopy fig. Mr sialography has become an alternative imaging technique for ductal salivary gland diseases. Instrument that may be used to open the ducts for a sialogram. Prior to applying sialography to live animals, the procedure was carried out on. Among these, xray sialography is considered the standard of reference in the imaging diagnosis and staging of this disease, because abnormal sialographic findings imply definite underlying pathologic changes 4. Combining two techniques will provide optimal diagnosis workup for ss. Live animals were sedated and then the mandibular, parotid and sublingual ducts were catheterized.
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