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Adrenal Myelolipoma

Biega TJB - MedPix (2001)

View Article: MedPix Image - MedPix Topic

Affiliation: Uniformed Services University

ABSTRACT

Adrenal myelolipoma is a benign finding, often incidentally discovered during imaging of the abdomen (an adrenal incidentaloma). In a study of 380 cases of surgically excised adrenal incidentalomas, myelolipoma was determined to account for 8% of all lesions. CT demonstrates a predominance of fat. Soft tissue signal and calcifications may also occur. MRI can demonstrate homogenous hyperintense masses on T1 weighted images with intermediate signal on T2 (suggesting a predominantly fat containing lesion), or heterogenous signal with both intermediate signal and hyperintense signal on T2 weighted images and on post contrast T1 weighted images (suggestive of mixed fatty and myeloid elements). Myelolipoomas may hemorrhage, and hemorrhage is more common in larger tumors (>10 cm). Surgery may be needed to control hemorrhage. If the patient is otherwise symptomatic, adrenal myelolipomas are a benign finding and require no further evaluation.

No MeSH data available.


An adrenal myelolipoma was incidentally discovered during a chest CT obtained to evaluate for chronic lung disease.  Note the predominance of fat within the adrenal lesion.  The presence of fat is virtually diagnostic of adrenal myelolipoma.
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MPX2699_synpic1048: An adrenal myelolipoma was incidentally discovered during a chest CT obtained to evaluate for chronic lung disease. Note the predominance of fat within the adrenal lesion. The presence of fat is virtually diagnostic of adrenal myelolipoma.


Adrenal Myelolipoma

Biega TJB - MedPix (2001)

An adrenal myelolipoma was incidentally discovered during a chest CT obtained to evaluate for chronic lung disease.  Note the predominance of fat within the adrenal lesion.  The presence of fat is virtually diagnostic of adrenal myelolipoma.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX2699&req=5

MPX2699_synpic1048: An adrenal myelolipoma was incidentally discovered during a chest CT obtained to evaluate for chronic lung disease. Note the predominance of fat within the adrenal lesion. The presence of fat is virtually diagnostic of adrenal myelolipoma.

View Article: MedPix Image - MedPix Topic

Affiliation: Uniformed Services University

ABSTRACT

Adrenal myelolipoma is a benign finding, often incidentally discovered during imaging of the abdomen (an adrenal incidentaloma). In a study of 380 cases of surgically excised adrenal incidentalomas, myelolipoma was determined to account for 8% of all lesions. CT demonstrates a predominance of fat. Soft tissue signal and calcifications may also occur. MRI can demonstrate homogenous hyperintense masses on T1 weighted images with intermediate signal on T2 (suggesting a predominantly fat containing lesion), or heterogenous signal with both intermediate signal and hyperintense signal on T2 weighted images and on post contrast T1 weighted images (suggestive of mixed fatty and myeloid elements). Myelolipoomas may hemorrhage, and hemorrhage is more common in larger tumors (>10 cm). Surgery may be needed to control hemorrhage. If the patient is otherwise symptomatic, adrenal myelolipomas are a benign finding and require no further evaluation.

No MeSH data available.