Presentation
Primigravida for anomaly scan. 21 weeks of amenorrhoea. No complaints.
Patient Data
There is a well-defined, anechoic, round cyst ( about 2.7 x 2.6 x 2.6 mm ) in the interpole region of spleen. Rest of the spleen shows normal echopattern.
Rest of the anomaly scan was normal. Fetal growth corresponded to the period of amenorrhoea.
There is a complete regression of splenic cyst. Rest of the fetal examination was normal.
Case Discussion
Ultrasound findings favour an isolated simple cyst in the spleen at fetal maturity of about 21 weeks. There is a complete regression of the splenic cyst at 37 weeks scan.
Fetal splenic cysts are considered to be a rare but benign lesion. Follow up scans should be done in the third trimester and postnatal period to check the change in size.
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