This protocol describes the process of immunostaining rectal suction biopsies for calretinin, S100 protein, and protein gene product 9.5. This novel adjuvant diagnostic method for Hirschsprung's disease has preferable sensitivity and specificity rates.
Chi, S., Fang, M., Li, K., Yang, L., Tang, S. Diagnosis of Hirschsprung's Disease by Immunostaining Rectal Suction Biopsies for Calretinin, S100 Protein and Protein Gene Product 9.5. J. Vis. Exp. (146), e58799, doi:10.3791/58799 (2019).