Renal lymphoma: CT patterns with emphasis on helical CT

Bruce A. Urban, Elliot K Fishman

Research output: Contribution to journalArticle

Abstract

Renal lymphoma is most often seen in conjunction with multisystemic, disseminated lymphoma or as tumor recurrence. Renal lymphoma may also be seen in immunocompromised patients or, rarely, as primary disease. Computed tomography (CT) is the most sensitive, efficient, and comprehensive examination for evaluation of the kidneys in patients with suspected renal lymphoma. Helical CT in particular improves detection and characterization of lymphomatous renal involvement by optimizing contrast dynamics and data acquisition and is the current modality of choice for accurate staging of lymphoma. Typical CT patterns in renal lymphoma include single and multiple masses, invasion from contiguous retroperitoneal disease, perirenal disease, and diffuse renal infiltration. Atypical CT patterns may also be encountered and provide a diagnostic challenge. These include spontaneous hemorrhage, necrosis, heterogeneous attenuation, cystic transformation, and calcification. Solid renal masses including renal cell carcinoma and metastases are the most commonly encountered entities that mimic renal lymphoma at CT and require biopsy for definitive diagnosis. CT (particularly helical CT) is useful in the evaluation of patients with suspected renal lymphoma, and familiarity with the spectrum of findings in renal lymphoma is important for accurate diagnosis.

Original languageEnglish (US)
Pages (from-to)197-212
Number of pages16
JournalRadiographics : a review publication of the Radiological Society of North America, Inc
Volume20
Issue number1
StatePublished - Jan 2000

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Spiral Computed Tomography
Lymphoma
Tomography
Kidney
Immunocompromised Host
Renal Cell Carcinoma
Necrosis
Hemorrhage
Neoplasm Metastasis
Biopsy
Recurrence

Keywords

  • Computed tomography (CT), helical, 81.12112, 81.12115
  • Kidney neoplasms, 81.34
  • Kidney neoplasms, CT, 81.12112, 81.12115
  • Lymphoma, CT, 81.12112, 81.12115, 81.34

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Renal lymphoma : CT patterns with emphasis on helical CT. / Urban, Bruce A.; Fishman, Elliot K.

In: Radiographics : a review publication of the Radiological Society of North America, Inc, Vol. 20, No. 1, 01.2000, p. 197-212.

Research output: Contribution to journalArticle

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