Presentation
Foreign body in rectum (ping pong ball). Unable to locate on DRE. ? Position
Patient Data
Age: 20 years
Gender: Female
From the case:
Rectal foreign body - ping pong ball
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Rounded lucency projecting over the right sacrum measuring 5cm in diameter, in keeping with ping-pong ball foreign body ? in sigmoid colon. Normal bowel gas pattern. No evidence of free gas or obstruction.
Hips are congruent. No suspicious osseous abnormality.
Case Discussion
Not all foreign bodies are opaque on X-ray.