The Hot Quadrate Sign on a Ventilation-Perfusion (V/Q) Scan
The hot quadrate sign is defined as an intense arterial enhancement in the hepatic quadrate lobe, most frequently encountered on CT angiograms in patients with central venous occlusion. It has also been described as focal uptake on technetium-99m (Tc99m) sulfur colloid scans. We present an unusual c...
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| Veröffentlicht in: | Curēus (Palo Alto, CA) CA), 2024-07, Vol.16 (7), p.e64122 |
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| creator | Masih, Kabeer Suthar, Pokhraj P Virmani, Sumeet |
| description | The hot quadrate sign is defined as an intense arterial enhancement in the hepatic quadrate lobe, most frequently encountered on CT angiograms in patients with central venous occlusion. It has also been described as focal uptake on technetium-99m (Tc99m) sulfur colloid scans. We present an unusual case of focal uptake in the hepatic quadrate lobe on a ventilation-perfusion (V/Q) scan, corresponding to the hot quadrate sign in a 42-year-old patient with chronic kidney disease and central venous occlusion. |
| doi_str_mv | 10.7759/cureus.64122 |
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| subjects | Abdomen Abscesses Aneurysms Case reports Hemangioma Kidney diseases Liver cancer Lymphoma Nuclear Medicine Scintigraphy Tomography Tumors Vein & artery diseases Ventilation |
| title | The Hot Quadrate Sign on a Ventilation-Perfusion (V/Q) Scan |
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