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Tadpole Sign of Splenic Tail Anomaly.
Bo Duan1, Hongliang Li1, Qingyu Ji2
1Department of Radiology, the Second Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, 014030, China.
Digestive Diseases and Sciences
|May 19, 2026
Summary
A rare 18-cm splenic tail anomaly, presenting as a unique "tadpole" sign on CT hyper-realistic rendering (HRR), was identified. This congenital variation was managed conservatively, preventing misdiagnosis and invasive procedures.
Area of Science:
- Radiology
- Medical Imaging
- Anatomical Variations
Background:
- Splenic anomalies are uncommon, with variations in the splenic tail being particularly rare.
- Accurate identification of splenic variations is crucial for appropriate clinical management.
Purpose of the Study:
- To describe a rare 18-cm splenic tail anomaly.
- To highlight the unique "tadpole" sign observed on CT hyper-realistic rendering (HRR).
- To emphasize conservative management of congenital splenic variations.
Main Methods:
- Computed Tomography (CT) imaging was utilized.
- Hyper-realistic rendering (HRR) technique was applied for detailed visualization.
- Clinical data and imaging findings were reviewed.
Main Results:
- An 18-cm splenic tail anomaly was identified.
- A distinctive "tadpole" sign was observed on CT HRR.
- The anomaly was confirmed as a congenital variation.
Conclusions:
- The "tadpole" sign on CT HRR is a key indicator for this rare splenic tail anomaly.
- Conservative management is appropriate for identified congenital splenic variations.
- Recognition of this anomaly prevents misdiagnosis and avoids unnecessary invasive interventions.
