Abstract
This chapter describes the surgical procedure for subtotal splenectomy or splenic cyst excision as performed by the following approaches: open and minimally invasive. The text includes an introduction that outlines the indications, risks, alternatives, essential steps, needed equipment, and variations in technique for the procedure in question. This is followed by a template operative dictation, which provides the reader with an operative report, such as is found in a patient chart or electronic medical record. A description is provided of the following critical concepts for this procedure: entering the abdominal cavity, dividing the short gastric arteries and other splenic attachments, isolation and ligation of the segmental branches of the splenic vessels, division of the spleen, obtaining hemostasis, removal of the specimen, and closure of the abdomen.
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Keywords
Indications and Benefits
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Indication 1: Hematologic disorders including hereditary hemolytic spherocytosis, sickle cell disease (with recurrent or life-threatening splenic sequestration, hypersplenism, and splenic abscess), thalassemia major (with frequent transfusion requirements or massive splenomegaly), and failure of medical management for idiopathic thrombocytopenic purpura.
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Indication 2: Splenic mass, cyst, and abscess.
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Indication 3: Symptomatic splenomegaly or hypersplenism in malignancy.
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Benefits: Treat symptoms of underlying disorder or removal of lesion with preservation of splenic function.
Risks and Alternatives
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Standard risks (bleeding, infection, need for additional procedures, and risks of anesthesia).
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Injury to adjacent structures (stomach, pancreas, and diaphragm).
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Need for total splenectomy: With risk of overwhelming postsplenectomy infection or chronic thromboembolic pulmonary hypertension. If possible, vaccinations of Streptococcus pneumoniae, Neisseria meningitides, and Haemophilus influenzae should be administered before the operation.
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Splenic vein thrombosis, pancreatitis, portal vein thrombosis, and abscess.
Alternatives: Medical management, total splenectomy
Essential Steps: Open
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1.
Entry into abdomen.
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2.
Explore the peritoneum.
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3.
Open the lesser sac through the gastrosplenic ligament and expose the splenic hilum.
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4.
Divide the lateral splenic attachments, splenocolic, and splenorenal ligaments to fully mobilize the spleen.
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5.
Identify the major splenic vessels.
Subsection 1: For Partial Splenectomy for Hematologic Disorder or Splenic Mass/Abscess Removal
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1.
Identify the segmental branches to the upper and lower pole.
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2.
Ligate the blood supply to the area of planned resection (if upper pole, also ligate short gastric arteries).
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3.
Observe for line of demarcation. If for hemolytic disorder, goal is to leave 10–30% of spleen.
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4.
Divide parenchyma at the level of the demarcation with sealer/cautery/stapler device.
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5.
Obtain hemostasis of raw surface with argon beam coagulator, topical agents, suture ligatures, or mattress sutures.
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6.
Close without drains.
Subsection 2: For Splenic Cyst Excision
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1.
Drain the splenic cyst.
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2.
Circumferentially resect the roof of the cyst.
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3.
Cauterize or coagulate (argon beam coagulator) the base of the cyst.
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4.
Obtain hemostasis.
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5.
Close without drains.
Note These Variations
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Variation 1: Open versus laparoscopic access.
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Variation 2: Partial resections for hematologic disease or tumors requires full organ mobilization; cyst excision and fulguration may not demand full dissection depending on location.
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Variation 3: Differences in location and extent of partial resection based on spleen size and indication for operation.
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For systemic disease such as hereditary spherocytosis, the goal is to near-total debulk, leaving only 10–30% of the spleen.
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For benign tumors, the goal is to preserve as much parenchyma as possible.
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Upper pole versus lower pole depending on tumor location or surgeon preference.
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Template Operative Dictation
Preoperative Diagnosis
Hereditary hemolytic spherocytosis, sickle cell disease, thalassemia major, immune thrombocytopenic purpura (ITP), splenic mass, or cysts.
Postoperative Diagnosis
Same as preoperative diagnosis
Findings
Same as postoperative diagnosis
Procedure(s) Performed
Subtotal splenectomy or splenic cyst excision
Anesthesia
General/regional /procedural sedation
Specimen
Spleen, partial
Drains
None
Implants
None
Estimated Blood Loss
___
Indications
This is a/an ___-day/week/month/year-old male/female presented with hereditary hemolytic spherocytosis , sickle cell disease , thalassemia major , ITP, splenic tumors or cysts. He/she was deemed to be a suitable candidate for subtotal splenectomy or splenic cyst excision
Procedure in Detail
Following satisfactory induction of anesthesia, the patient was placed in supine position with a bump placed under the left flank and appropriately padded. Timeouts were performed using both preinduction and preincision safety checklists with participation of all present in the operative suite. These confirmed the correct patient, procedure, operative site, and additional critical information prior to the start of the procedure. Specific lines/tubes (i.e., Foley catheter, OG/NG, SCDs, arterial line) were placed. Preoperative antibiotics were given. The abdomen was then prepped and draped in the usual sterile fashion.
[Choose One:]
If open for hematologic disease or tumor : A left upper quadrant transverse/subcostal incision was made and electrocautery was used to divide the muscles in layers. The posterior sheath and peritoneum were opened sharply to enter the abdominal cavity. A self-retaining retractor was placed to give adequate exposure and the abdominal cavity was explored. The spleen was found to be normal in size/enlarged. (List any other abnormalities found). The lesser omental sac was opened and the short gastric vessels were divided using cautery/energy sealing-dividing device. The main splenic artery and vein with segmental branches were identified as they entered the splenic hilum. The splenocolic, splenorenal, and splenophrenic ligaments were divided by cautery and the spleen was medially rotated and delivered into the wound. Control of the main splenic vessels was obtained using vessel loops/vascular clamps. The upper/lower pole vessels were individually ligated, taking care to avoid injury to the pancreas. After ligating the segmental vessels supplying the area/pole, approximately 10–30%/other % of perfused spleen volume remained. The spleen was then divided along the line of demarcation, on the devascularized side, using a cautery/stapler/sealing device. The specimen was sent off for pathology.
If open for splenic cyst: A left upper quadrant transverse/subcostal incision was made and electrocautery was used to divide the muscles in layers. The posterior sheath and peritoneum were opened sharply to enter the abdominal cavity. A self-retaining retractor was placed to give adequate exposure and the abdominal cavity was explored. The splenic cyst was identified after medial/lateral/inferior/superior manipulation and aspirated, with clear/cloudy/serous/bloody/other fluid removed. The roof of the cyst was then excised using cautery/energy sealing-dividing device, staying close to the spleen and working circumferentially to remove the outer portion of the cyst, and leaving the base within the spleen. The partial cyst wall was sent for pathology. The bed was cauterized/coagulated/fulgurated using method of choice.
If laparoscopic for hematologic disease or tumor: Atraumatic entry into the peritoneum was achieved via Hasson/Veress technique and the entire peritoneum was insufflated with CO2 to a pressure of 12–15 mmHg and visually inspected. Initial impression was [state findings/spleen appearance]. under direct visualization, a 3/5/10-mm port was introduced in the midclavicular line on the left side below the tip of the spleen. Another 3/5/10-mm port was placed in the midline epigastric area. An additional port was placed superiorly in the midline subxiphoid area. The table was placed in reverse Trendelenburg with the left side up. The stomach was grasped and retracted medially to expose the short gastric vessels. These vessels were divided using an energy sealer-divider device/clips/electrocautery exposing the splenic hilum. The splenocolic ligaments were then divided using electrocautery allowing retraction of the colon inferiorly and the splenorenal ligaments were then identified and divided. The ligamentous attachments to the upper portion of the spleen were preserved to avoid postoperative volvulus of the remnant spleen.
The main splenic artery and vein were identified and control was obtained using vessel loops. The splenic hilum was carefully inspected identifying the segmental branches. The spleen was partially devascularized by ligating the segmental vessels to the upper/lower pole using energy sealer device/ clips/ electrocautery. The spleen was demarcated and the splenic parenchyma was divided approximately 1 cm away from the line of devascularization using an energy sealer device/stapler. Bleeding from the splenic bed was controlled using argon beam/electrocautery/topical hemostatic agents. After hemostasis was achieved, the remnant was inspected and estimated that approximately 10–30%/other % of perfused spleen volume remained. A laparoscopic retrieval bag was then inserted directly into the umbilical/left lower quadrant port site and deployed under direct vision. The resected spleen was then placed into the sac and the neck of the sac was exteriorized through the trocar site. The port site was then enlarged to allow removal/morcellation of the spleen was carried out, breaking up with spleen within the bag using suction, finger fracture, and/or forceps. The bag was removed intact from the abdominal cavity and sent off as specimen.
If laparoscopic for cyst: Atraumatic entry into the peritoneum was achieved via Hasson/Veress technique and the entire peritoneum was insufflated with CO2 to a pressure of 12–15 mmHg and visually inspected. Initial impression was [state findings/spleen appearance] under direct visualization, a 3/5/10-mm port was introduced in the midclavicular line on the left side below the tip of the spleen. Another 3/5/10-mm port was placed in the midline epigastric area. An additional port was placed superiorly in the midline subxiphoid area. The table was placed in reverse Trendelenburg with the left side up. The splenic cyst was identified after medial/lateral/inferior/superior manipulation and aspirated, with clear/cloudy/serous/bloody/other fluid removed. The roof of the cyst was then excised using cautery/energy sealing-dividing device, staying close to the spleen and working circumferentially to remove the outer portion of the cyst, and leaving the base within the spleen. The partial cyst wall was sent for pathology. The bed was cauterized/coagulated/fulgurated using method of choice.
Bleeding from any raw parenchymal surfaces was controlled using argon beam coagulator/topic agents/capsular vertical mattress sutures using 2-0 monofilament suture with pledgets/omental buttress/other. After satisfactory hemostasis, the remaining spleen was inspected and found to be viable/other. Abdominal wall fascia was closed with a running suture using ____/interrupted ____. The skin was closed with a 4/0 absorbable Monocryl suture in a running subcuticular technique and was dressed with surgical skin adhesive.
Upon completion of the procedure, a debriefing checklist was completed to share information critical to the postoperative care of the patient. The patient tolerated the procedure well, was extubated in the operating room, and was transported to the postanesthesia care unit in stable condition thereafter.
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Goldstein, S., Rhee, D. (2019). Subtotal Splenectomy or Splenic Cyst Excision. In: Papandria, D., Besner, G., Moss, R., Diefenbach, K. (eds) Operative Dictations in Pediatric Surgery. Springer, Cham. https://doi.org/10.1007/978-3-030-24212-1_110
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DOI: https://doi.org/10.1007/978-3-030-24212-1_110
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