Immunostaining was done with appropriate positive and negative controls and revealed:
Referred block for immunostaining of Tru-cut biopsy from right inguinal lymph node diagnosed as atypical round cell infiltrate recommended for subtyping by marker study (pathology number 4323-2026 on 22 June 2026).
One referred paraffin block.
Rt. inguinal lymph node Tru-cut biopsy, immunostaining: