2 The Imaging Techniques 2.1 Sono-Elastography (Quasi-Static Elastography) This technique uses operator induced stress or endogenous stress to create strain in the tissue under the US probe. Since the amount…
1. Malignant diseases a. Haematologic (Hodgkin’s disease, non-Hodgkin’s lymphomas, amyloidosis) b. Metastatic (from numerous primary sites) 2. Immunological diseases a. Crohn’s disease b. Ulcerative colitis d. Systemic lupus erythematosus e….
Fig. 1 Submucosal tumor (smt) of gastric antrum. Endosonography (a) and gastric hydrosonography (b) show a small submucosal lesion Fig. 2 Submucosal tumor (smt) of gastric antrum. Endosonography (a) and gastric hydrosonography…
Fig. 1 The pseudo-kidney sign. The strong echogenic center (corresponding to the lumen content) is surrounded by an echo-poor rim (thickened bowel wall) in a case of colonic adenocarcinoma Fig. 2 The…
Fig. 1 Transvaginal sonography showing an ovarian endometrioma (*) along with a sigmoid colon with thickened bowel wall and hyperechoic submucosal layer (#) in a Crohn’s disease patient 2 Etiology and…
Fig. 1 Standardized section of the antrum. Antral area is outlined The relationship between the antral area as measured by ultrasound and the amount of fasting gastric content quantitated by aspiration…
Fig. 1 Ileocecal tuberculosis. Transverse sonogram of the right lower abdomen shows diffuse thickening of the terminal ileum (TI) and cecum (C) Fig. 2 Ileocecal tuberculosis and associated mesenteric lymphadenitis (reproduced with…
Advantages Disadvantages Increases display dynamic range (increased sensitivity) Susceptible to tissue motion artifacts No multiple angle artifact No direction information No aliasing No velocity information Limited angle dependence Limited temporal…
