For ages, they have been willing to throw down over the merits of serif versus sans-serif typefaces.
Quick Answer. Liver nodules, usually a sign of liver disease, can be caused by certain parasitic or viral infections, immune system abnormalities, cancer and genetic conditions, according to Mayo Clinic. Contributing factors include heavy alcohol or drug use, unprotected sex, obesity, diabetes and exposure to certain chemicals.
(a, b) Focal lesion (arrow) in the left liver lobe shows low SI on (a) T2-weighted FSE image (1800/93) and (b) T1-weighted image (680/6). The lesion has a central hypointense scar with both sequences, owing to fibrotic content and calcification.a, b) A small nodule in the right liver lobe (arrow) is (a) hypointense on T2-weighted (1800/93) image and (b) hyperintense on T1-weighted (100/5.2) image. The low SI of the dysplastic nodule on the T2-weighted image may be related to deposition of paramagnetic substances such as iron.