Download e-book for kindle: Diagnostic Imaging: Gastrointestinal by Michael P. Federle MD FACR, Siva P. Raman MD

By Michael P. Federle MD FACR, Siva P. Raman MD

Ideal for trainees and training radiologists, Diagnostic Imaging: Gastrointestinal, 3rd Edition offers entire assurance of each vital subject in belly and gastrointestinal imaging. that includes an elevated variety of illustrations, graphics, and multimodality imaging, this up-to-date clinical reference ebook will enable you in spotting the attribute and version appearances of either common and unusual stomach issues. User-friendly bulleted textual content and a uniform bankruptcy structure enable speedy and easy entry to the the most important wisdom you need!

  • Expanded assurance of crucial subject matters and trends
  • in fluoroscopic assessment of the GI tract, together with evaluate of sufferers prior to and after bariatric surgical procedure, fundoplication, and surgical procedure for esophageal carcinoma.

  • Updated sections overlaying issues of the liver, biliary tract, and pancreas with details and pictures relating to new type and therapy implications for pancreatitis, together with autoimmune (IgG4-related) pancreatitis.
  • Increased variety of illustrations of all applicable imaging modalities, akin to multiplanar CT, sonography, MR, and PET/CT.
  • Offers info on all types of acute and persistent hepatitis and cirrhosis, in addition to serious wisdom concerning imaging recommendations that let radiologists to differentiate between focal lesions within the cirrhotic liver.
  • Essential information is distilled right into a succinct, bulleted layout with a variety of top quality photographs and "Key proof" containers to facilitate learning.
  • Expert seek advice e-book model integrated with purchase. This more advantageous e-book event allows you to go looking the entire textual content, figures, references, and movies from the publication on various units.

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An unusual feature in this case is the mild obstruction of the intrahepatic bile ducts st. (Right) Longitudinal ultrasound in a patient with AIDS demonstrates a large hypoechoic mass ſt. Biopsy revealed this to represent AIDS-related B-cell nonHodgkin lymphoma. 11 Abdominal Manifestations of Systemic Conditions Tuberculosis KEY FACTS IMAGING • Most common sites of involvement in abdomen are lymph nodes, GU tract, peritoneum, and GI tract ○ Abdominal lymphadenopathy is most common • Lymphadenopathy (tuberculous lymphadenitis) ○ Enlarged, centrally necrotic nodes with hypoattenuating centers and hyperattenuating enhancing rims ○ Nodes often calcify after healing • Tuberculosis peritonitis ○ Variables amounts of free or loculated complex ascites with infiltration of omentum ± discrete masses • Gastrointestinal tuberculosis ○ Ileocecal region affected in 90% of cases ○ Asymmetric wall thickening of ileocecal valve and medial cecum • Adrenal tuberculosis ○ Acute: Enlarged adrenals (often appears as discrete, centrally necrotic adrenal mass) (Left) Axial CECT in an asymptomatic elderly man shows calcification of mesenteric nodes ſt usually seen in elderly individuals who have had exposure to enteric mycobacteria, often from drinking unpasteurized milk.

Many patients are being kept alive longer with better medical care and even lung transplantation, resulting in an increased prevalence of extrapulmonary manifestations of CF. (Right) Axial CECT in the same patient shows that the liver is small and cirrhotic with obvious signs of portal hypertension, including splenomegaly and large varices ﬊. The pancreas shows fatty replacement ſt. 21 Abdominal Manifestations of Systemic Conditions Sickle Cell Anemia KEY FACTS TERMINOLOGY • Inherited hemolytic anemia arising due to abnormal hemoglobin, resulting in deformation of red blood cells and leading to microvascular occlusions and infarcts IMAGING • Spleen ○ Splenic autoinfarction: Absent or small calcified spleen ○ Massive splenic infarction: Rare complication defined as when > 50% of spleen is infarcted ○ Splenic sequestration: Massive splenomegaly ○ Splenic abscess: Usually due to prior infarcts • Gallbladder: Gallstones in young patients • Extramedullary hematopoiesis: Most commonly paravertebral soft tissue masses of homogeneous density • Kidneys ○ Papillary necrosis on CT urography ○ Large kidneys in early phase of disease; gradual atrophy with development of chronic renal failure (Left) Axial NECT in a patient who presented with sickle cell anemia and severe left upper quadrant pain demonstrates a heavily calcified and heterogeneous spleen ſt, indicating chronic and possibly acute infarction.

There was no abdominal visceral or bowel injury, and a repeat CT scan the next morning was completely normal. 7 Abdominal Manifestations of Systemic Conditions HIV/AIDS KEY FACTS TERMINOLOGY • Abdominal opportunistic infections and neoplasms resulting from HIV/AIDS-related immunodeficiency IMAGING • Liver and spleen ○ Small hypodense nodules may be microabscesses ○ Larger hypodense lesions might be infectious, but AIDSrelated lymphoma should be considered ○ Pneumocystis may result in tiny calcifications • Biliary tree ○ Cholangitis or acalculous cholecystitis caused by opportunistic infections • Stomach, small bowel, and large bowel ○ Wall thickening raises concern for opportunistic infection, which can involve any segment of GI tract ○ Mural thickening of esophagus suggests esophagitis, often due to candidiasis, CMV, or HSV (Left) Coronal volumerendered CECT in an AIDS patient with low CD4 count demonstrates diffuse thickening of the small bowel with surrounding ascites.

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