Hepatic angiomyolipoma: dynamic computed tomography features and clinical correlation.
OBJECTIVE
To study the dynamic computed tomography (CT) features of hepatic angiomyolipoma (AML) in patients with or without tuberous sclerosis complex (TSC).


METHODS
The clinical information, CT findings and histopathological results of hepatic AML were analyzed retrospectively in 10 patients.


RESULTS
Hepatic AML was prone to occur in female patients (7/10), and most of the patients (8/10) had no specific symptoms. All tumors presented as well-defined, unenveloped nodules in the liver. Six patients with sporadic hepatic AML had a solitary hepatic nodule with a definite fat component. Non-fat components of the hepatic lesions were enhanced earlier and persistently. Prominent central vessels were noted in the portal venous phase in three patients. In four patients with hepatic AML and TSC, most of the nodules were within the peripheral liver. Seven fat-deficient nodules were found with earlier contrast enhancement and rapid contrast material washout in two patients. Lymphangioleiomyomatosis was found in one patient.


CONCLUSIONS
Imaging features of hepatic AML are characteristic. Correct diagnosis preoperatively can be made in combination with clinical features.
Yang
Bin
B
Department of Radiology, Hangzhou First People's Hospital, Hangzhou 310006, Zhejiang Province, China. yb1974126@sina.com
Chen
Wen-Hui
WH
Li
Qiao-Yun
QY
Xiang
Jing-Jing
JJ
Xu
Ru-Jun
RJ
D000328:Adult; D000368:Aged; D018207:Angiomyolipoma / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed / Q000379:methods*; D014402:Tuberous Sclerosis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology; D055815:Young Adult