PMC9571235_01
Axial CT scan images of the thorax, in parenchymal window (a) and in mediastinal window, with contrast media (b) showing a solid nodule surrounded by an area of ground glass in the right apico-ventral subpleural area, behind a costal arch.
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F1
The persistence of the clinical symptomatology motivated the realization of a thoraco-abdominal CT scan which showed a solid nodule under the right upper lobar pleural area measuring 15 x 14 mm, surrounded by ground glass opacity, facing the anterior arch of the fourth rib (Figure 1).
Axial CT scan images of the thorax at three months of antischistosomal treatment (a) showing the marked reduction in the size of the nodule and the disappearance of the ground glass areas, and at six months of treatment (b) showing the disappearance of the nodule.
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F2
Three months later, control of bilharzia serology returned to normal, and CT-scan showed reduction of more than 75% in the size of the nodule and disappearance of the surrounding ground glass opacity (Figure 2a). The third CT scan performed three months from the previous one showed the disappearance of the nodular lesion (Figure 2b).
Abdominal CT scan images passing through the liver, showing a lowdensity subcapsular nodule (a), with peripheral and centripetal enhancement in arterial phase (b) and homogenization in portal phase (c). Sagittal ultrasound section of the right liver passing through segment VI showing the hyperechoic aspect of the nodule (d).
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F3
The hepatic subcapsular nodular lesion was stable in size and density on the three examinations (Figure 3).