Positive Psoas Sign in a Disabled Child-Not Always Appendicitis, Seldomly due to Duodenal Perforation by Sharp Foreign Body

We present a rare cause for "positive psoas sign" secondary to duodenal perforation by an ingested wooden skewer in a disabled 13 years old male. The unreliable clinical evaluation made the appreciation of a "positive psoas sign" obscured. We highlight the possible occurrence of this