Table 4 Diagnostic imaging criteria for gastric lactobezoar
Method | Diagnostic criteria |
|---|---|
Ultrasound | free-floating intra-gastric mass, moves with patient positioning, intra-bezoaric echogenic air trapping |
Plain X-ray | intra-gastric rounded mass only visible when surrounded by sufficient air or fluid, calcifications may be visible |
Air-/fluid contrast opaque contrast medium | intra-gastric rounded mass large circular filling defect with mottled surface |
X-ray video-imaging | mass moves with patient positioning |