Nonneoplastic, benign, and malignant splenic diseases: Cross-sectional imaging findings and rare disease entities

Seng Thipphavong, Shauna Duigenan, Sebastian T. Schindera, Michael S. Gee, Shaile Philips

Research output: Contribution to journalReview articlepeer-review

20 Scopus citations

Abstract

OBJECTIVE. Splenic lesions are commonly encountered and are often incidental in nature. Benign splenic vascular neoplasms include hemangioma, hamartoma, lymphangioma, extramedullary hematopoiesis (EMH), and sclerosing angiomatoid nodular transformation (SANT). Uncommonly encountered entities of the spleen include focal EMH, focal myeloma, angiomyolipoma, and SANT. Primary splenic angiosarcoma is the most common malignant nonhematolymphoid malignancy of the spleen. Lymphoma, myeloma, and metastases are the other malignant entities involving the spleen. The clinical presentation, key imaging findings, and associations of benign, neoplastic, and malignant diseases that can involve the spleen will be discussed. CONCLUSION. Radiologists can use multimodality imaging to diagnose entities involving the spleen by recognizing key imaging features and considering patient characteristics. However, biopsy may be warranted for definitive diagnosis when imaging findings are nonspecific.

Original languageEnglish (US)
Pages (from-to)315-322
Number of pages8
JournalAmerican Journal of Roentgenology
Volume203
Issue number2
DOIs
StatePublished - Aug 2014

Keywords

  • CT
  • MRI
  • Neoplasm
  • Spleen

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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