No lymph nodes sampled No tumor identified in lymph nodes. Metastatic tumor identified in of nodes. Size of Largest Lymph Node (or Nodal Mass) Involved: cm. Size of Largest metastatic deposit (optional): cm. Histologic subtype of tumor in involved lymph nodes: Extranodal extension: N/A Not identified Present
Multiple Primary Tumors (m) Recurrent Tumor (r) Post-treatment Staging (y)
Germ cell neoplasia in situ (GCNIS) Leydig cell hyperplasia (may be associated with hCG elevation Microlith Sertoli cell nodule (Pick’s adenoma, usually associated with undescended testes) Atrophy
Original H&Es and deeper sections are examined. Case reviewed in departmental conference. Pankeratin immunostain used in evaluation. Vimentin immunostain used in evaluation. AFP immunostain used in evaluation. Ki-1 immunostain used in evaluation. PlAP immunostain used in evaluation. hCG immunostain used in evaluation.