Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Splenic cyst
Introduction
Overview
Overview
Splenic cyst is developmental in origin.
True nonparasitic splenic cyst, also called congenital cyst and epidermoid cyst, is defined by the presence of an inner endotheial lining.
Differentiating Splenic cyst from Other Diseases
Differentiating Splenic cyst from Other Diseases
- Inflammatory (abscesses, hydatid cyst)
- Vascular (infarction], peliosis)
- Posttraumatic (hematoma, false cyst)
- Neoplastic (hemangioma, lymphangioma, lymphoma, metastasis)
Diagnosis
Diagnosis
Ultrasound
- Anechoic well-defined, round mass.
CT
- CT typically shows a large, low-attenuation,unilocular mass with imperceptible walls;
- HU are in the range of that of water.
- No enhancement is seen after the administration of contrast material
MRI
- Magnetic resonance (MR) images show a well-defined, round mass.
- On T2-weighted images, the mass has markedly high signal intensity, a characteristic finding of a cyst.
References
References
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]