Hot spleen: hypervascular lesions of the spleen

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• 作者：Michyla Bowerson ; Christine O. Menias ; Kristen Lee ; Kathryn J. Fowler…
• 关键词：Spleen ; Splenic ; Hypervascular lesion ; Mass
• 刊名：Abdominal Imaging
• 出版年：2015
• 出版时间：October 2015
• 年：2015
• 卷：40
• 期：7
• 页码：2796-2813
• 全文大小：4,013 KB
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• 作者单位：Michyla Bowerson (1)
  Christine O. Menias (2)
  Kristen Lee (1)
  Kathryn J. Fowler (1)
  Antonio Luna (3)
  Motoyo Yano (1)
  Kuma Sandrasegaran (4)
  Khaled Elsayes (5)
  
  1. Department of Radiology, Mallinckrodt Institute of Radiology, Washington University, 510 S. Kingshighway Blvd, St. Louis, MO, 63110, USA
  2. Department of Radiology, Mayo Clinic, Scottsdale, AZ, USA
  3. Health Time Group, Clinica Las Nieves, Carmelo Torres 2, 23007, Ja茅n, Spain
  4. Department of Radiology, Indiana University School of Medicine, Indianapolis, IN, USA
  5. Department of Radiology, Anderson Cancer Center, University of Texas, Houston, TX, USA
  
• 刊物类别：Medicine
• 刊物主题：Medicine & Public Health
  Imaging and Radiology
  Gastroenterology
  Hepatology
  
• 出版者：Springer New York
• ISSN：1432-0509

文摘

The differential diagnosis of splenic masses is broad and often hinges on the enhancement characteristics of the lesions. Most radiologists are familiar with the differential diagnosis of hypovascular lesions such as fungal infections, sarcoidosis/granulomatous disease, infarctions, and cysts. However, to our knowledge, there is no review article that presents the specific multimodality imaging features of vascular splenic lesions as a group. Vascular splenic lesions may be considered those that enhance more or similarly to the background splenic parenchyma. In this review, we illustrate the spectrum of imaging features of both benign and malignant vascular splenic lesions. The benign lesions include hemangiomas, hamartomas, and sclerosing angiomatoid nodular transformation of the spleen. The malignant lesions are divided into primary and metastatic lesions, ranging from lymphoma, angiosarcoma to pleomorphic sarcoma. While lymphoma and metastases may commonly present as hypoenhancing lesions relative to the background parenchyma, we are addressing them here as their appearance can be varied and hence deserve consideration. Littoral Cell angiomas are discussed separately, as they were originally considered benign, but recent studies have shown that they can have malignant potential. Keywords Spleen Splenic Hypervascular lesion Mass