CASE OF THE MONTH

2007

June



Figure 1. Noncontrast axial CT image


Figure 2. Noncontrast coronal CT image


Figure 3. Postcontrast axial CT image

Figure4
Figure 4. Postcontrast coronal CT image

Clinical History

59-day-old baby girl presented with antenatal USG finding of polycystic mass in left renal region.

Diagnosis:  Mature Teratoma

Comment :

The radiological features supporting the diagnosis of mature teratoma include calcification in linear strand pattern in the noncontrast coronal view which resembles architecture of osseous component. In neuroblastoma, it is usually associated with regular stippled calcification rather than linear calcification. In addition, from the postcontrast axial and coronal view, this mass displaces adjacent SMA and celiac trunk rather than encasing them. This again favours the diagnosis of mature teratoma.

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