A Uniquely Abnormal Stool Specimen: A Case Report

Publication date: Available online 28 September 2018

Source: The Journal of Emergency Medicine

Author(s): Riley Hoyer, Christopher J. Amann, Andrea L. Austin

Abstract

Background

Autoamputation of the appendix is a condition associated with the Ladd's procedure, a pediatric surgical technique for correction of intestinal malrotation. A 4-year-old male patient with a history of a Ladd's procedure performed as a newborn was brought in by his mother for “passing intestine” just prior to arrival. She reported that for several weeks her son had intermittent, crampy abdominal pain that resolved after the unusual-appearing bowel movement. After reviewing an image of the bowel movement, and in consultation with pediatric surgery, it was concluded that the patient had passed a devascularized appendix in his stool immediately prior to arrival.

Case Report

A 4-year-old boy with a past medical history of heterotaxy syndrome (inversion of the thoraco-abdominal organs), a double outlet right ventricle, and Ladd's procedure presented to the Emergency Department (ED) after “passing intestine” in his stool. Close examination of the photo demonstrated a tubular structure with taenia, consistent with an appendix.

Why Should an Emergency Physician Be Aware of This?

Autoamputation of the appendix is an uncommon presentation in the ED. Passing a devascularized appendix is a benign condition and can present with weeks of intermittent abdominal pain that resolves with passage of appendix in the stool. Remnants of the appendix can remain within the intestinal lumen years after the Ladd's procedure. Emergency physicians with a general awareness of this rare phenomenon can confidently make the diagnosis and reassure worried parents.

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