diseases of the eye and ear

Tài liệu Infectious Diseases of the Head and Neck pptx

... in the gut of the sandfly,but the organism completes its life cycle in the host following the fly bite. The sandfly inoculates the host with the organismsin the promastigote stage. Once the ... infection in the oral mucosa. The infection almost never clears. C, Cytologicpreparation of a smear from a tongue lesion in an HIV+ male.There is nuclear clearing with margination of the chromatin(H&E, ... anodular mass at the angle of the jaw. The masses graduallyincrease in size and number and form sinuses that open onto the face and neck. Although infection is often seen in the jaw area,Actinomyces...

from dust to stars studies of the formation and early evolution of stars

Danh mục: Kinh tế vĩ mô

... 1About the Book The study of the formation and early evolution of stars has been an evergrowing part of astrophysical research. Traditionally, often in the shadow of its big brothers (i.e., the ... until the dawn of the New Age to put basic pieces to-gether and to accept proof over belief and superstition. The geocentric con-cept of Claudius Ptolemaeus, or Ptolemy, dominated the views of the ... believed that the human eye was quitea good indicator of whether two objects have the same brightness and testedthis by comparing the apparent brightness of the Moon to that of a standardcandle ﬂame....

Diseases of the Gallbladder and Bile Ducts - part 1 pdf

Danh mục: Sức khỏe giới tính

... duct, anterior and lateral aspect of the portal vein, the posterior aspect of the pancreas, between the aorta and the inferior vena cava, and the left aspect of the aorta under the left renal ... [15]:1 The superior pathway of nodes along the cystic duct, the hepatic duct, the anterior and medial aspect of the portal vein, and the celiac axis.2 The inferior pathway of nodes along the ... bed to the right border of the inferior vena cavab. center of the gallbladder bed to the left border of the inferior vena cavac. center of the gallbladder bed to the right border of the middle...

Diseases of the Gallbladder and Bile Ducts - part 2 potx

Danh mục: Sức khỏe giới tính

... wall calciﬁ cations are often present. The mass is relatively hypovascular and there is often direct invasion of the adjacent hepatic parenchyma. Furthermore, there are often hypoattenuating ... thick-ening of the gallbladder wall, a mass in the gallbladder fossa, and invasion of the liver and adjacent structures [37]. The tumor appears hypointense on T1-weighted images and hyperintense ... secondary event and not the inciting factor. The gallbladder is edema-tous and congested. The mucosa is often but not invariably ulcerated, and there may be areas of granulation tissue and ﬁbroblast...

Diseases of the Gallbladder and Bile Ducts - part 3 pdf

Danh mục: Sức khỏe giới tính

... includes the rnucosa, the ﬁbromuscularis, and the ﬁbrous layer of the serosa. The outer hyperechoic layer corresponds to the subse-rosal fatty tissue, the serosa, and the interface echo between the ... has the advantage of high spatial resolution, which allows depiction of both the lumen and the wall of the bile ducts, but has the disadvantage of imaging only in the axial plane. This is offset ... “O” ring is sewn to the efferent limb and marks the site of attachment of the loop of bowel to the wall [5]. The radiologist accesses the efferent limb percutaneously using the “O” ring as a...

Diseases of the Gallbladder and Bile Ducts - part 4 pot

Danh mục: Sức khỏe giới tính

... Diagnostic and therapeutic approaches for the biliary tree and gallbladderby irradiation. They further characterized the injury as “vac-uolation, swelling, and necrosis of the epithelial cells of the ... review analysis of the sensitivity and speciﬁcity of these techniques for the diagnosis of biliary tract stricture [44]. They reported sensitivities and speciﬁcities of 50 to 66% and 93 to 100% ... duct cancer of the bifurcation or above has been reported in between 30 and 95% of the cases [20,23,26], and the caudate lobe is a frequent cause of early recurrence. Therefore the caudate...

Diseases of the Gallbladder and Bile Ducts - part 5 potx

Danh mục: Sức khỏe giới tính

... some cases the cystic duct joins the aberrant duct, which then con-tinues to join the main ductal system. The appearance of the Diseases of the Gallbladder and Bile Ducts: Diagnosis and Treatment, ... patient in the operating room: the supine position with the surgeon standing on the left and the assisting surgeon holding the camera on the right side of the patient. Alternatively, the pa-Table ... involvement of more than four segments of the liverFigure 8.8 The liver is pulled up and the ligamentum teres downwards. The duct of S III can be approached by dissecting the left part of the base of...

Diseases of the Gallbladder and Bile Ducts - part 6 pptx

Danh mục: Sức khỏe giới tính

... determined by the presence of comorbid diseases of the patient and the duration of the ileus [53]. In large series, the overall mortality varied between 5 and 24% (Table 14.3). These ﬁ gures ... much less clear is the role for adjuvant therapy. Given the rarity of the disease, there have been few randomized trials each with small numbers of patients, and consequently there is no consensus ... and will normally be taken up by the liver and then the gall-bladder. Uptake by the liver and excretion into the duode-num without ﬁlling of the gallbladder is indicative for occlusion of...

Diseases of the Gallbladder and Bile Ducts - part 7 pdf

Danh mục: Sức khỏe giới tính

... classiﬁcation of cystic diseases of the biliary tract• Understand the premalignant nature of cystic diseases of the biliary tract• Understand the role of liver resection for biliary cystadenoma and cystadenocarcinomaIntroductionCystic ... lesions of the intra- and extrahepatic bile ducts. How-ever, because of the assumed role of the intrahepatic biliary epithelium in the origin of the noncommunicating liver cysts, this group of ... etiologies of acute cholangitis• Understand the pathogenic mechanisms in the development of acute cholangitis• Describe the bacteriology of bile and blood cultures in the setting of acute cholangitis•...