| AGS | Aganglionic segment |
| FN | False negatives |
| FP | False positives |
| FSB | Frozen-section biopsy |
| FTB | Full-thickness biopsy |
| HE | Hematoxylin and eosin |
| HSCR | Hirschsprung’s disease |
| HAEC | Hirschsprung-associated enterocolitis |
| IHC | Immunohistochemistry |
| NGS | Normoganglionic segment |
| Ss-HSCR | Short-segment Hirschsprung’s disease |
| TCA | Total colon aganglionosis |
| TP | True positives |
| TN | True negatives |
| TZ | Transition zone |
| TZPT | Transition zone pull-through |
| TEPT | Trans anal endorectal pull-through |
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