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. 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. Sialography and surface anatomy of the parotid duct jama. To revisit and reintroduce sialography as an important tool for the assessment and diagnosis of salivary gland obstruction. Lessons learned from unintended sublingual sialography ajr. Magnetic resonance sialography findings of submandibular. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Patients with recurrent pain and swelling of one or both parotid or submaxillary glands require study by other. Sialography definition of sialography by medical dictionary. Sialography also termed radiosialography is the radiographic examination of the salivary. Mri is a noninvasive technique with advantages of superior tissue discrimination and. This examination is done by introducing a very thin tube into the opening of the duct and injecting a small amount of liquid. A polythene tube filled with a watersoluble contrast medium of high concentration urografin or hypaque, 60 yo or more, and also free from. Sialogram imaging glossary patients ur medicine imaging.
This technique thus has a high diagnostic value, especially in chronic inflammatory salivary gland disease. The findings of mr sialography were compared with the results of labial gland biopsy to determine the effectiveness of the technique in. Comparison of sialography, non contrast computed tomography and ct sialography. We examined 47 patients with clinically suspected parotid tumours by us, 31 of them also by ct, mri and cts, and by mris as. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects.
Sialography sialography is the radiographic visualization of the salivary gland following retrograde instillation of soluble contrast material into the ducts indications 1. Except for tumors and calculi, knowledge of other abnormalities of the salivary glands remains meager. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Preliminary work indicates that this mr technique can successfully demonstrate both normal and abnormal parotid and submandibular gland duct systems and has several advantages over conventional xray sialography. Tell a friend about us, add a link to this page, or visit the webmasters page for free fun content. 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. Prior to applying sialography to live animals, the technique of catheterization, injection and radiography had to. Mri sialography is a fairly sensitive and reliable method of evaluating the salivary glands. Sialogram a sialogram is performed to diagnose blockage of the salivary flow due to stones or strictures. A preliminary evaluation was performed by examining the major salivary gland ducts in 10 asymptomatic volunteers and three symptomatic patients with known salivary duct. Diagnostic value of sialography with both the conventional. A sialogram is a test used to diagnose a blocked salivary gland or duct in your mouth.
Background mr sialography has become an alternative method for imaging the salivary gland and duct. Routine straight xrays are takenbefore sialography. We conducted radiological assessment on a total of 60 submandibular glands mean age 44. Jul 20, 2014 sialography dacrocystography slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. In a prospective study, we attempted to examine salivary. A labial gland biopsy was performed in all patients and histopathologic grading was done by means of focal scores.
The technique of mr sialography exploits this property, using saliva itself as the mr contrast medium for the imaging of the salivary ducts. Mr sialography has become an alternative imaging technique for ductal salivary gland diseases. Sialography of salivary gland tumors with fluoroscopy and. Case report cone beam computed sialography of sialoliths. 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. Use of the seldinger technique in sialography radiology. Thackray, chronic sialectatic parotitis in the light of pathological studies on parotidectomy material, british journal of surgery, 1955. This logo represents the university of iowa health care. Normalanatomy, anatomical variants and duct pathology. We conclude that mr sialography can be performed using a fast and high. Jadu bds, msc a thesis submitted in conformity with the requirements for the degree of doctor of philosophy oral radiology graduate department of dentistry university of toronto. In most cases, this procedure requires a minimum of specialized equipment and can be performed in a regular radiographic or fluoroscopic room. Salivary gland surgery protocols sialograms and sialography sialogram technique.
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. Skip to main content this logo represents the university of iowa health care. Otolaryngology head and neck surgery volume 117 number2 the pain characteristics previously described in the literature. Diagnostic value of sialography with both the conventional and. Prior to applying sialography to live animals the techniques of cath eterization, injection and radiography had.
Sialography also termed radiosialography is the radiographic examination of the salivary glands. Thackray, chronic sialectatic parotitis in the light of pathological studies on parotidectomy material, british journal of surgery, 1955, 43, 177, 43 wiley online library. 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. A sialogram is a test which takes an xray picture of the salivary ducts and the related glandular structures. It is a simple procedure usually completed in 30 minutes. The marked advantage of cts ability to demonstrate soft tissue detail has been noted. Rare, ciss, fisp, as used in mrcp and mr urography brighten intraluminal fluid and display ductal morphology adequately with no need to inject contrast into the ducts. The findings of mr sialography were compared with the results of labial gland biopsy to determine the effectiveness of the technique in the diagnosis and staging of sjo. Original article conventional mri techniques combined with mr. Ppt sialography powerpoint presentation free to view. The sialogram may be performed along with a ct scan.
Conventional mri techniques combined with mr sialography on. We aimed to assess the problem solving capability of magnetic resonance sialography mr sialography, a noninvasive method for imaging submandibular gland ducts and determining ductrelated pathologies, by comparing diseased and healthy cases. Conventional mri techniques combined with mr sialography. 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.
This procedure was successful in 29 of 30 patients tested. Robinson thomas, the technique of sialography, the british journal of radiology, 1956, 29, 340, 209crossref 11 david h. 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. Technique 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 untoward effects.
While the technique and its applications have evolved greatly from its initial description in the mid1990s, it remains rooted in the simple concept that stationary fluid, such as saliva, has intrinsic high t2 signal intensity, obviating instillation of contrast material to opacify. Ppt sialography powerpoint presentation free to view id. To investigate the value of conventional mri techniques combined with mr sialography on t23ddrive in the diagnosis of sjogren syndrome ss. Sialography is an radiologic examination of salivary glands and ducts with the use of water based iodinated contrast media. The authors describe a modified seldinger technique for sialography which is especially helpful in cannulization of the submandibular ducts. A catheter a small flexible tube is inserted through your mouth and into the duct of the salivary gland. A special dye contrast medium is then injected into the duct. Sialograms and sialography iowa head and neck protocols. Development and application of a technique for threedimensional sialography using cone beam computed tomography by fatima m. The sialography technique used is described, and normal anatomy, anatomical variants and common pathology illustrated. In a prospective study, we attempted to examine salivary glands in 80 patients.
Case report cone beam computed sialography of sialoliths na drage,1 and je brown2 1department of dental radiology, university dental hospital, cardiff and vale nhs trust, cardiff, uk. Salivary cannulation and infusion techniques video. Modern sialography for screening of salivary gland obstruction. Conventional and digital sialography, us, ct imaging, and mr sialography mrsi methods are used in the assessment of major salivary gland ducts 1, 2.
Tribe meets white man for the first time original footage 15 duration. Sialography may be performed when a disorder of the salivary ducts andor glands is suspected. Development and application of a technique for three. A polythene tube filled with a watersoluble contrast medium of high concentration urografin or hypaque, 60 yo or more, and also free from any air bubbles, is. A sample of 30 consecutive patients undergoing sialography was selected. A polythene tube filled with a watersoluble contrast medium of high concentration urografin or hypaque, 60 yo or more, and also free. The parotid gland is larger than indicated in textbooks. Pdf background mr sialography has become an alternative method for imaging the salivary. Included in the study were 82 patients with radiographic and endoscopic evidence of chronic sinusitis and significant facial pain who failed medical treatment and underwent functional endoscopic sinus surgery. Mr sialography is a noninvasive mri technique used to evaluate diseases of the salivary ducts. In conclusion, sialography of mandibular, parotid and zygomatic salivary gland in dog is practical and is helpful in the diagnosis of some pathological conditions in these glands. If you continue browsing the site, you agree to the use of cookies on this website.
Retrospectively, all sialograms performed at our institution between august 2009 and june 20 were reexamined. Assess the extent of ductal and glandular destruction. May 05, 2015 tribe meets white man for the first time original footage 15 duration. Feb 27, 2016 sialography involves the introduction of a watersoluble contrast agent into the orifices of the salivary ducts. A sialogram is performed to diagnose blockage of the salivary flow due to stones or strictures. Sonography as a replacement for sialography for the. Determine the presence and position of calculi or other blockages. 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. Mr imaging is noninvasive, radiationfree, and sensitive. Original article conventional mri techniques combined with. Josef shargorodsky, md, mph, johns hopkins university school of medicine.
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. In the imaging of the primary submandibular gland duct and intraglandular branches, conventional sialography is the golden standard technique. Mr sialography is based on the principle that stationary fluids will produce bright signal on heavily t2weighted images. This probe procedure is done without any anesthesia since it is not too painful. The mandibular duct leaves the rostral end of the gland, and its mean diameter was 1. The many variations in shape and extent of the parotid gland are well known. A prospective comparative study of mr sialography and conventional sialography of salivary duct disease. Modern sialography for screening of salivary gland obstruction oscar hasson, dds purpose. Diseases of the salivary glands have received scant attention in medical literature. Jun 21, 2005 the mr sialography technique using a small surface coil depicted effectively the ductal changes in the salivary glands in patients with or without sjogrens syndrome, reflecting the severity of the diseases.
Pdf salivary gland examination is an important part of oral examination, especially because of. A sialogram is an xray test to show the salivary glands and ducts. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Sialography procedure and steps online radtechonduty. The value of sialography in the investigation of parotid disease has been controversial and limited in its scope. 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. The technique was optimized to depict fluid within a twodimensional thick slab. Apr 06, 2014 sialography is an radiologic examination of salivary glands and ducts with the use of water based iodinated contrast media. Comparative study of mr sialography and digital subtraction. Mri is a noninvasive technique with advantages of superior tissue discrimination and multiplanar facility. The proper knowledge of the normal topographic anatomy and variations of the stensens duct is highly relevant to clinical procedures including the analysis of radiographic images samanta et al. A method of sialography 23 usually flow through it spontaneously, if not, the gland should again be palpated until saliva emerges and the cannula is clear from air bubbles.