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Abdominal Radiology
Published in: Abdominal Radiology 4/2017

01-04-2017 | Classics in Abdominal Imaging

The focal hepatic hot spot (“hot quadrate”) sign

Authors: Faisal Fahad Aloufi, Faisal Mohammed Alabdulkarim, Meshal Ali Alshahrani

Published in: Abdominal Radiology | Issue 4/2017

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Excerpt

The focal hepatic hot spot (formerly “hot quadrate”) sign represents a segment IV hyperenhancing area during the arterial or early portal venous phase of contrast-enhanced CT [1] (Fig. 1). The equivalent appearance of the focal hepatic hot spot sign has been also described in 99mTc–sulfur colloid scans of the liver and spleen. It was described as an area of increased radiotracer activity in segment IV and formerly referred to as the hot quadrate sign [2]. …
Literature
1.
Virmani V, Lal A, Ahuja CK, et al. (2010) The CT Quadrate lobe hot spot sign. Ann Hepatol. 9(3):296–298PubMed
2.
Yamada T, Takahashi K, Shuke N, et al. (1999) Focal hepatic “hot spot” in superior vena cava obstruction: correlation between radiocolloid hepatic SPECT and contrast-enhanced CT. Clin Nucl Med 25:533–534CrossRef
3.
4.
Wilson LD, Detterbeck FC, Yahalom J (2007) Clinical practice: superior vena cava syndrome with malignant causes. N Engl J Med 356(18):1862–1869CrossRefPubMed
5.
Katabathina VS, Restrepo CS, Betancourt Cuellar SL, et al. (2013) Imaging of oncologic emergencies: what every radiologist should know. Radiographics. 33(6):1533–1553CrossRefPubMed
6.
Yedlicka JW Jr, Cormier MG, Gray R, Moncada R (1987) Computed tomography of superior vena cava obstruction. J Thorac Imaging. 2(1):72–78 (Review)CrossRef
Metadata
Title
The focal hepatic hot spot (“hot quadrate”) sign
Authors
Faisal Fahad Aloufi
Faisal Mohammed Alabdulkarim
Meshal Ali Alshahrani
Publication date
01-04-2017
Publisher
Springer US
Published in
Abdominal Radiology / Issue 4/2017
Print ISSN: 2366-004X
Electronic ISSN: 2366-0058
DOI
https://doi.org/10.1007/s00261-016-0997-z

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