suprarrenales.pptx

31 de May de 2023
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
suprarrenales.pptx
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suprarrenales.pptx

Notas del editor

  1. Ultrasound B-mode image of the normal right adrenal gland with marked measurements of the thickness of the limbs and body (calipers). A. Axial plane with harmonic imaging. Hypoechoic adrenal gland of V shape. The echogenicity of the adrenal limb ends is similar to the echogenicity of the retroperitoneal fat tissue.
  2. B. Longitudinal section through the adrenal gland. In this view, the adrenal gland is of λ shape. It is only slightly hypoechoic in relation to the retroperitoneal fat tissue. C. Longitudinal section with harmonic imaging: increased contrast between the hypoechoic adrenal gland and the retroperitoneal fat tissue (compared with Fig. 7B). Harmonic imaging is recommended in the visualization of normal adrenal glands and their focal lesions.
  3. Transabdominal ultrasound image of the right adrenal gland (between markers, 34.4 mm length). The anatomical landmarks are the right liver lobe (RLV, right liver vein), the right diaphragm (D), and the inferior caval vein (vena cava inferior [VCI]). Layering of the adrenal gland with a hyperechoic central echo representing the medulla, the hypoechoic cortex and hyperechoic capsule are depicted. The thickness of the adrenal gland is less than 7 mm (in this case: 5 mm).
  4. Endoscopic ultrasound image of the left adrenal gland, showing the body and two wings, as well as the normal layering of the gland as described in Fig. 1. The anatomical landmarks are the pancreatic body and tail (P), upper pole of the left kidney (K), and the left diaphragm (D).
  5. Two incidental round solid lesions of the right adrenal gland (15×13 mm, between markers, and 12×10 mm) as shown on transabdominal ultrasonography. There was no history or suspicion of malignant disease, unenhanced computed tomography showed an attenuation value of below 10 Hounsfield unit, and an endocrine work-up did not reveal any endocrine activity (nonfunctional adenoma).
  6. Pheochromocytoma of the left adrenal gland (arrow). A. Conventional ultrasound in the B-mode B. B-mode with harmonic imaging. Compared with image A, fewer artefacts – clearer tumor margins and clearer contrast with surrounding structures
  7. Pheochromocytoma of the right adrenal gland (arrow). A. Conventional ultrasound in the B-mode B. B-mode with spatial compound imaging. Compared with image A, fewer artefacts, smoother image (lower image speckles) – clearer tumor margins and clearer contrast with surrounding structures