
Keywords: بیوپسی مکش مستطیلی; HD; Hirschsprung disease; RSB; Rectal suction biopsy; CIS; Calretinin immunohistochemical staining; RA; Residual aganglionosis; TZB; Transition zone bowel; Hirschsprung disease; Residual aganglionosis; Transition zone bowel; Rectal suction biopsy; Calreti