Collision tumors of the adrenal gland: Demonstration and characterization at MR imaging Journal Article
| Authors: | Schwartz, L. H.; Macari, M.; Huvos, A. G.; Panicek, D. M. |
| Article Title: | Collision tumors of the adrenal gland: Demonstration and characterization at MR imaging |
| Abstract: | PURPOSE: To evaluate the magnetic resonance (MR) imaging findings in collision tumors of the adrenal gland. MATERIALS AND METHODS: MR images obtained in 104 patients with a known primary malignant tumor and an adrenal mass were reviewed to find adrenal glands that contained two contiguous but histologically distinct masses. The findings in such cases were correlated with histopathologic findings. RESULTS: In two (2%) cases, both MR and histopathologic findings showed a mass within the adrenal gland that consisted of contiguous adrenal adenoma and metastasis, which represented a collision tumor. The adenomatous component in each tumor showed a (quantitative) decrease in signal intensity relative to that of the liver (79% and 61%) on opposed-phase images, whereas the metastatic component showed an increase in signal intensity (50% and 15%). Similarly, the adrenal lesion-to-spleen signal intensity ratio on opposed-phase images was lower for the adenomatous component in each (0.39 and 0.43) than for the metastatic component (1.17 and 0.90). CONCLUSION: MR imaging can demonstrate and enable characterization of the separate components of collision tumors within the adrenal gland. These findings can be crucial in planning and guiding subsequent percutaneous needle biopsy and patient care. |
| Keywords: | adult; human tissue; aged; aged, 80 and over; middle aged; major clinical study; clinical feature; histopathology; cancer staging; nuclear magnetic resonance imaging; magnetic resonance imaging; computer assisted tomography; adenoma; aspiration biopsy; neoplasms, multiple primary; adrenal tumor; adrenal gland neoplasms; adrenal metastasis; humans; human; priority journal; article; adrenal cortex adenoma; adrenal gland, abnormalities; adrenal gland, mr; adrenal gland, neoplasms |
| Journal Title: | Radiology |
| Volume: | 201 |
| Issue: | 3 |
| ISSN: | 0033-8419 |
| Publisher: | Radiological Society of North America, Inc. |
| Date Published: | 1996-12-01 |
| Start Page: | 757 |
| End Page: | 760 |
| Language: | English |
| PUBMED: | 8939227 |
| PROVIDER: | scopus |
| DOI: | 10.1148/radiology.201.3.8939227 |
| DOI/URL: | |
| Notes: | Article -- Export Date: 22 November 2017 -- Source: Scopus |
Altmetric
Citation Impact
BMJ Impact Analytics
Related MSK Work