The gallbladder serves as the repository for bile produced in the liver however, bile within the gallbladder may become supersaturated with cholesterol, leading to crystal precipitation and subsequent gallstone formation the most common disorders of the gallbladder are related to gallstones and include symptomatic. Abstract : objective the purpose of this pictorial essay is to review the spectrum of unusual malignant tumors of the gallbladder and to illustrate their radiologic features conclusion radiologic findings of unusual malignant gallbladder tumors are varied and overlap with those of ordinary gallbladder carcinoma. Abstract : although conventional radiography is the method most frequently used for monitoring progression of osteoarthritis, it may not show osteoarthritic changes of the knee until late in the disease, and it may show involvement of only one or two compartments in patients who have tricompartmental disease. The respective etiologies of the lesions were ascertained and catalogued, and the associated ct and mri imaging findings were reviewed and compared with those previously described in the literature in each instance results: the various etiologies of the orbital masses that we observed corresponds to. Gallbladder cancer, the most common of biliary tract cancer, is often diagnosed at an advanced stage with ensuing poor survival rates imaging may allow for earlier diagnosis, however there may be significant overlap with nonmalignant conditions of the gallbladder in early stages of cancer in this pictorial essay, we use. Since gallbladder cancer is in the differential diagnosis for gallbladder masses, the ability to differentiate benign disease avoids a more extensive oncologic resection this study contemporary series report the use of ultrasound (us), computed tomography (ct) or magnetic resonance imaging (mri) in ga imaging.
Mr imaging of the gallbladder: a pictorial essay radio-graphics 2008 28:135– 155 4 chang bj, kim sh, park hy, et al distinguishing xanthogranulomatous cholecystitis from the wall-thickening type of early-stage gallbladder cancer gut liver 2010 4:518–523 [crossref] [medline] 5 ching bh, yeh bm, westphalen ac. The multiplanar capabilities of mr imaging provide superb visualization of the adjacent cranial nerves and vascular structures, aiding in surgical planning and radiation therapy in this pictorial essay, the mr imaging, ct, and conventional radiographic findings of various clival and paraclival lesions are illustrated. Abstract : although mr imaging has become an important imaging method in the evaluation of most joints, it is rarely used to evaluate the sternoclavicular joint the purpose of this study was to determine the spectrum of findings identified on mr images of the normal sternoclavicular joint as seen on images of cadavers,.
Although all the imaging studies in this pictorial essay were done for maternal rather than fetal indications, fetal anatomy was well visualized however, when scans are undertaken for fetal indications, fetal motion in between scout views and imaging sequences may make specific image planes difficult to obtain of the. Abstract : we evaluated the mr imaging features of adenomyomatosis of the gallbladder with particular emphasis on rokitansky-aschoff sinuses mr images of 17 patients with histologically proven adenomyomatosis were retrospectively reviewed the presence of rokitansky-aschoff sinuses was evaluated and. Hilar cholangiocarcinoma: role of preoperative imaging with sonography, mdct, mri, and direct cholangiography jin-young kim ay, et al cholangiocarcinoma: pictorial essay of ct and cholangiographic findings oikarinen h diagnostic imaging of carcinomas of the gallbladder and the bile ducts acta radiol.
Imaging may allow for earlier diagnosis, however there may be significant overlap with nonmalignant conditions of the gallbladder in early stages of cancer in this pictorial essay, we use various examples to describe the utility of magnetic resonance imaging in the diagnosis and staging of gallbladder cancer, noting in. Objective: we retrospectively reviewed five pathologically proven cases of diffuse cavernous hemangioma of the rectosigmoid colon to define the mr imaging features of this entity conclusion: diffuse cavernous hemangioma of the rectosigmoid colon is revealed as rectosigmoid wall thickening with high signal.
Imaging of the gallbladder is typically requested for evaluation of right upper quadrant pain in patients with or without fever and jaundice ultrasonography ( us) is typically the initial imaging modality however, technologic advances in magnetic resonance (mr) imaging software, hardware, and contrast media (eg,. Causes of hepatic capsular retraction: a pictorial essay gary xia vern tan1 & rhian miranda2 & tom porta hepatis, or the area where the gallbladder is attached to the liver the inner layer is a thick fibrous conditions under ct or mr imaging and maintains a strict ad- herence to the liver parenchyma. Biliary tract anomalies this pictorial essay illustrates the 3d sono- graphic appearance of the normal biliary tree and gallbladder, as well as a variety of congenital and acquired biliary tract disorders correlation with other imaging modalities such as computed tomography (ct) and magnetic resonance imaging (mri) is pro.
Yoshimitsu k, honda h, shinozaki k, et al helical ct of the local spread of carcinoma of the gallbladder: evaluation according to the tnm system in patients who underwent surgical resection ajr 2002 179:423 –428 [abstract] 12 kumaran v, gulati ms, paul sb, et al the role of dual-phase helical ct in assessing. Abstract : objective the objective of our study was to review and illustrate the various clinical entities that may cause diffuse thickening of the gallbladder wall on diagnostic imaging studies conclusion diffuse gallbladder wall thickening may be caused by a wide range of gallbladder diseases and. This pictorial essay will review the various imaging appearances of the portal venous system computed tomography and mri shows extension of splenic or portal venous thrombosis from the pancreatic tumor with or without cavernous transformation, or arterial and portal gallbladder and common bile duct varices.