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Table 3 Histological data

From: The RENAPE observational registry: rationale and framework of the rare peritoneal tumors French patient registry

General information  
 Receive date  
 Procedure: biopsy, resection  
 Peritoneal cytology  
 No. blocks  
 Referent pathologist, surgeon  
 RENA-PATH Working Group reviewing (if needed)  
Biobanking  
 Patient consent form  
 Conditions: frozen/formalin-fixed paraffin-embedded  
 Biospecimen identification no./localization  
Pseudomyxoma peritonei  
 Appendix diagnostic:  
  No. blocks  
  LAMN/adenocarcinoma  
 Peritoneum diagnostic:  
  No. blocks  
  Signet ring cell  
  Ronnett classification: DPAM, PMCA-I/D, PMCA  
  WHO 2010 Classification: LAMN, high-grade mucinous adenocarcinoma  
  Involved organs (list)  
 Lymph node involvement: pNtot, pN+  
Peritoneal mesothelioma  
 No. blocks  
 Histologic forms:  
  Epithelioïd  
  Biphasic  
  Sarcomatoïd  
  Multicystic  
  Well-differentiated papillary mesothelioma  
 Lymph node involvement: pNtot, pN+  
Primary peritoneal serous carcinoma/peritoneal desmoplastic small round cell tumors/diffuse peritoneal leiomyomatosis  
 Diagnostic  
 No. blocks  
 Lymph node involvement: pNtot, pN+  
  1. Abbreviations: DPAM disseminated peritoneal adenomucinosis, LAMN low-grade appendiceal mucinous neoplasm, PMCA peritoneal mucinous carcinomatosis, PMCA-I/D peritoneal mucinous carcinomatosis with intermediate or discordant features, pNtot total number of dissected nodes, pN+ number of involved nodes