Distal pancreatectomy for pancreatic neoplasia: is splenectomy really necessary? A bicentric retrospective analysis of surgical specimens.

Navez, Julie;Marique, Lancelot;Hubert, Catherine;Van Laethem, Jean-Luc;Closset, Jean;et.al.
(2020) HPB : the official journal of the International Hepato Pancreato Biliary Association — Vol. 22, n° 11, p. 1583-1589 (2020)

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Authors
  • Navez, Julie
    Author
  • Marique, LancelotUCLouvain
    Author
  • Hubert, CatherineUCLouvain
    Author
  • Van Laethem, Jean-Luc
    Author
  • Komuta, MinaUCLouvain
    Author
  • Navez, BenoîtUCLouvain
    Author
  • Closset, Jean
    Author
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Abstract
(en) BACKGROUND: While distal pancreatectomy with splenectomy (DPS) is the reference treatment for pancreatic body and tail neoplasia, oncological benefits of splenectomy have never been demonstrated. Involvement of spleen, splenic hilum and lymph nodes (LN) was therefore assessed on DPS specimens. METHODS: All DPS pancreatic neoplasia specimens obtained in 2 Brussels University Hospitals over 15 years (2004-2018) were reviewed retrospectively, using both preoperative radiological imaging and postoperative pathological analyses of splenic parenchyma, hilar tissue and LN. RESULTS: The total of 130 DPS specimens included 85 adenocarcinomas, 37 neuroendocrine neoplasms and 8 other carcinomas. Tumours involved the pancreatic body without tail invasion for 59 specimens (B, Body group), and the pancreatic tail with/without body for 71 (T, Tail group). At pathology, direct splenic and/or hilar involvement was observed in 13 T specimens (13/71, 18.3%), but in none belonging to the Body group. The observed numbers of splenic hilar LN (only reported in 49/130 patients) were low, only one T adenocarcinoma had positive splenic LN in addition to direct splenic involvement. CONCLUSION: Splenectomy remains justified during pancreatectomy for neoplasia involving the pancreatic tail, but in case of pancreatic body tumours, its benefits should be questioned in the light of absent splenic LN/parenchymal involvement.
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Navez, J., Marique, L., Hubert, C., Van Laethem, J.-L., Komuta, M., Maris, C., D’Haene, N., Navez, B., & Closset, J. (2020). Distal pancreatectomy for pancreatic neoplasia: is splenectomy really necessary? A bicentric retrospective analysis of surgical specimens. HPB : the official journal of the International Hepato Pancreato Biliary Association, 22(11), 1583-1589. https://doi.org/10.1016/j.hpb.2020.01.016 (Original work published 2020)