Adrenocortical carcinoma MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ahmad Al Maradni, M.D. [2] Mohammed Abdelwahed M.D[3]

Overview

MRI scans are helpful in differentiating between adrenal adenoma, carcinoma, and metastatic lesions. Due to the multi-planar capability of MRI, direct invasion of adjacent organs may be better shown. Inferior vena cava invasion has been reported in 9% to 19% of cases at presentation.

MRI Findings in adrenocortical carcinoma

  • On MRI, ACCs appear iso-intense to hypo-intense relative to liver parenchyma on T1-weighted images and hyper-intense relative to liver parenchyma on T2-weighted images.[3]

MRI Examples of adrenocortical carcinoma

MRI abdomen shows ACC, source: Case courtesy of Dr Roberto Schubert, Radiopaedia.org, rID: 13777 mri
Source: Case courtesy of Radswiki, Radiopaedia.org, rID: 11176

References

  1. 1.0 1.1 Bharwani N, Rockall AG, Sahdev A, Gueorguiev M, Drake W, Grossman AB; et al. (2011). "Adrenocortical carcinoma: the range of appearances on CT and MRI.". AJR Am J Roentgenol. 196 (6): W706–14. PMID 21606258. doi:10.2214/AJR.10.5540. 
  2. Ng L, Libertino JM (2003). "Adrenocortical carcinoma: diagnosis, evaluation and treatment.". J Urol. 169 (1): 5–11. PMID 12478091. doi:10.1097/01.ju.0000030148.59051.35. 
  3. Bharwani N, Rockall AG, Sahdev A, Gueorguiev M, Drake W, Grossman AB; et al. (2011). "Adrenocortical carcinoma: the range of appearances on CT and MRI.". AJR Am J Roentgenol. 196 (6): W706–14. PMID 21606258. doi:10.2214/AJR.10.5540. 
  4. Bharwani N, Rockall AG, Sahdev A, Gueorguiev M, Drake W, Grossman AB; et al. (2011). "Adrenocortical carcinoma: the range of appearances on CT and MRI.". AJR Am J Roentgenol. 196 (6): W706–14. PMID 21606258. doi:10.2214/AJR.10.5540. 



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