Focal hepatic lesions in concerns of diagnostic imaging
Presented by Dr Laith fadhel
MBchB P.G.C.R
This is summarized notice about the common focal hepatic lesion and its characterization by modality
Reference / Primer of diagnostic Imaging / page 156
Metastasis HCC Adenoma FNH Hemangioma Cyst
40-70 50-70 20-40 20-40 All ages All ages Age
F = M M>F F>>M F>>M F> M M=F Sex
No Occasional Occasional Common In giant No Scar
Rare Rare No No Yes Occasional Calcification
No Yes Yes No Yes ( rare ) Yes (rare ) Rupture
Dx BY
Variable Variable Variable Variable Hyperechoic Anechoic US
Variable Capsule art enhancement
Arterial enhancement
Scar arterial phase
Enhancement early peripheral
Hypo dense No
enhancement
CT
Spleen Liver intensity Liver intensity Liver intensity CSF intensity CSF intensity MRI
Variable Hyper vascular Hyper vascular Hyper vascular Hyper vascular Avascular Angiography
Cold Cold Uptake Uptake Uptake Cold Scintigraphy
cyst US anechoic
CT hypo dense , no enhancement MRI CSF density
Hemangioma US Hyperechoic
CT enhancement early peripheral MRI CSF density
FNH US Variable
CT scar , art phase
MRI liver intensity
Adenoma US Variable
CT , art enhancement MRI liver intensity T1
un enhance
HCC US Variable
CT , pseudocapsule art enhancement early wash out MRI liver intensity T1
un enhance
Metastasis US Variable
CT , variable MRI spleen intensity
T1 un enhance
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