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Diagnostic Imaging Pathways - Hypertension

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1a Click to view full size image Bilateral Renal Artery Stenosis

Image 1a, 1b and 1c (Digital Subtraction Angiography): Pre- and post-stent images of bilateral renal artery stenosis.

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2a Click to view full size image

Cushing's Disease

Image 2a and 2b (Magnetic Resonance Imaging): There is a 13mm right sided pituitary adenoma (arrows) causing deviation of the stalk to the left. Slight suprasellar extension is noted without impingement of the chiasm or optic nerves.

2b Click to view full size image
3 Click to view full size image Phaeochromocytoma

Image 3 (Computed Tomography): Round low attenuation lesion at upper pole of left kidney consistent with phaeochromocytoma (arrow).

4a Click to view full size image Phaeochromocytoma

Image 4a (I123-MIBG) and 4b (Computed Tomography): High grade focus of uptake identified at the left side of the upper abdomen posteriorly (arrow). CT demonstrates a cystic phaeochromocytoma (arrow).

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5a Click to view full size image Phaeochromocytoma

Image 5a (I123-MIBG) and 5b (SPECT): Low grade focus of uptake identified at the left side of the upper abdomen posteriorly (arrow). SPECT imaging confirms the focus of uptake at the upper pole of the left kidney, in the region of the left adrenal gland (arrow).

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6 Click to view full size image Phaeochromocytoma

Image 6 (H&E, x10): Histological section of a phaechromocytoma showing a nested architecture (zellballen pattern) separated by thin fibrous septae. The cells demonstrate finely granular amphophilic cytoplasm.


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