Adrenal myelolipoma - Color Ultrasound


Title: Color Ultrasound - Adrenal myelolipoma
Diagnosis: Adrenal myelolipoma
Author: Dr.ROSSET Antoine
Comment: Dr. KHAN Haleem
Hospital: HUG
Department: Radiologie
State: Terminée
Date: 21.03.2003
: 4245
Chapter: Urology

Clinical Presentation: Workup for abdominal pain. CT displayed acutediverticulitis.
Comment: Adrenal myelolipomas are rare benign tumors composed offat and bone
marrow elements. They are nonfunctioning incidentallydiscovered tumors occurring during
the fifth or sixth decade oflife. These lesions are asymptomatic but may undergo
hemorrhage,necrosis or compress surrounding structures. On US the lesions areusually
homogenously hyperechoic but may become heterogenous incases of necrosis or
hemorrhage. The diagnosis should be confirmedby CT or MRI.
Description: The B mode image shows a hyperechoic mass in the rightupper
quadrant. This lesion arises from the body of the rightadrenal gland. Doppler doesn't reveal
hypervascularity. Apropagation speed artefact was noted with an apparent disruption
ofthe hemidiaphragm seen on the B mode sequence. The differentialdiagnosis is that of an
adrenal myelolipoma. CT demonstrated alesion with fatty tissue. Potential pitfalls in
diagnosis includehepatic hemangioma or upper pole renal angiomyolipoma.
Otherdiagnostic considerations include retroperitoneal sarcoma,lymphangioma, or

Order: 1005
Dislocation: 0
Polytrauma: 0
Open: 0
Pathologic: 0
Operation: 00.00.00
Graft: 0

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