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Robotic Left Pancreatectomy for Pancreatic Solid Pseudopapillary Tumor

Abstract

Background

Solid pseudopapillary pancreatic tumors of pancreas are a rare entity, seen most often in females in their second or third decades. Although previously believed to be benign, this tumor is currently considered a low-grade malignant epithelial neoplasm with low metastatic rate and high overall survival.1,2 Its resection could be performed by robotic technique with respect to oncological principles to avoid tumor cell dissemination.3

Methods

In this multimedia article, we present a 28-year-old female with a history of hyperthyroidism who underwent a computed tomography (CT) scan because of a persistent high C-reactive protein level following caesarean section. This CT scan revealed a 7-cm cystic lesion of the pancreatic tail. The serum tumor marker CA 19-9 was normal. Further investigation with an magnetic resonance imaging (MRI) scan showed that the lesion was macrocystic with internal septas compatible with a solid pseudopapillary neoplasm.4 The patient was treated with robotic distal splenopanceatectomy (video).

Results

The operative time was 5 h with an estimated blood loss of 250 mL. No blood transfusion was necessary. The postoperative period was uneventful, and she was discharged on postoperative day 8. The histological finding revealed a solid pseudopapillary tumor of the pancreas pT2pN0 (0/14 lymph nodes removed). There was no evidence of clinical, biological, and radiological pancreatic fistula, and a control CT scan on postoperative day 8 did not show any abdominal fluid collection. The patient’s 1 month follow-up was normal.

Discussion

The robotic distal splenopancreatectomy is a procedure that offers some technical and oncological advantages over the already described minimally invasive techniques for distal pancreatic tumors.5,6 These advantages are mainly due to the stability of the operative field, to the 3D and magnified vision, and to the articulated robotic arms.79 The 3D representation and the stability of the operative field facilitate the performance of operative steps, as the creation of the retropancreatic tunnel and vascular identification. Moreover, the robotic articulated arms permit a superior handling of vascular structures, allowing a fine dissection that is extremely useful during lymphadenectomy. Articulated instruments easily achieve the correct rotation axis, thus minimizing peri-pancreatic tissue retraction and manipulation of the pancreatic gland. This smooth and no-touch technique in theory minimizes the risk of pancreatic capsule rupture as well as tumor cell dissemination, respecting oncological surgical standards. However, robotic surgery needs an adequate learning curve, especially concerning the installation and the lack of force feedback.

Conclusion

The robotic distal pancreatectomy is a possible minimally invasive technique for patients with solid pseudopapillary pancreatic tumors. It presents some advantages over the laparoscopic approach. Nevertheless its oncological indications are yet to be defined.10

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References

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Author information

Correspondence to Patrick Pessaux MD, PhD.

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Conflict of interest

The authors indicated no potential conflicts of interest.

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Ntourakis, D., Marzano, E., De Blasi, V. et al. Robotic Left Pancreatectomy for Pancreatic Solid Pseudopapillary Tumor. Ann Surg Oncol 18, 642–643 (2011). https://doi.org/10.1245/s10434-010-1376-6

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Keywords

  • Distal Pancreatectomy
  • Laparoscopic Distal Pancreatectomy
  • Solid Pseudopapillary Tumor
  • Tumor Cell Dissemination
  • Pancreatic Gland