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Presentation and management of splenic injury after colonoscopy: a systematic review. Surg Laparosc Endosc Percutan Tech 2014; 24:95-102. [PMID: 24686342 DOI: 10.1097/sle.0b013e3182a83493] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This study reviewed all single experience of splenic injuries after colonoscopy in the last 40 years to define the possible risk factors and the management of this complication. A MEDLINE and a PubMed search was undertaken to identify articles in English, French, Spanish, and Italian from 1974 to 2012 using the key words: "splenic injury," "splenic rupture," and "colonoscopy." Data were analyzed using descriptive statistic. A total of 103 cases have been described in 75 reports. The majority of the patients were women (71.56%) and 6.85% underwent previous pelvic surgery. The mean age was 63 years (range, 29 to 90 y). About 61 of the 103 studies (59.2%) reported the presence or the absence of previous abdominal surgery and within these, only 31 of 61 patients (50.82%) underwent previous abdominal surgery. In this review, over half of the patients with splenic injury underwent colonoscopy for routine surveillance (62.75%), and only one third of the splenic injures were associated with biopsy or polypectomy. The majority of patients (78.57%) developed symptoms within the first 24 hours after colonoscopy and in a minority of cases (21.43%), there was a delayed presentation 24 hours after colonoscopy. Computed tomography was used as the primary modality to make the diagnosis in 69 of 98 cases (70.41%) and as a confirmatory test in many additional cases. Twenty-six of 102 patients (25.49%) were treated by conservative methods, whereas the majority of patients (69.61%) underwent splenectomy as a definitive treatment. Because of possible medicolegal implications, the endoscopists should consider mentioning splenic injury on the consent form of colonoscopy after bowel perforation and bleeding, particularly in higher risk patients.
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Nontraumatic splenic emergencies: cross-sectional imaging findings and triage. Emerg Radiol 2013; 20:323-32. [DOI: 10.1007/s10140-013-1103-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2012] [Accepted: 01/03/2013] [Indexed: 01/26/2023]
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Corcillo A, Aellen S, Zingg T, Bize P, Demartines N, Denys A. Endovascular treatment of active splenic bleeding after colonoscopy: a systematic review of the literature. Cardiovasc Intervent Radiol 2012; 36:1270-9. [PMID: 23262476 DOI: 10.1007/s00270-012-0539-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2012] [Accepted: 11/22/2012] [Indexed: 12/27/2022]
Abstract
PURPOSE Colonoscopy is reported to be a safe procedure that is routinely performed for the diagnosis and treatment of colorectal diseases. Splenic rupture is considered to be a rare complication with high mortality and morbidity that requires immediate diagnosis and management. Nonoperative management (NOM), surgical treatment (ST), and, more recently, proximal splenic artery embolization (PSAE) have been proposed as treatment options. The goal of this study was to assess whether PSAE is safe even in high-grade ruptures. METHODS We report two rare cases of post colonoscopy splenic rupture. A systematic review of the literature from 2002 to 2010 (first reported case of PSAE) was performed and the three types of treatment compared. RESULTS All patients reviewed (77 of 77) presented with intraperitoneal hemorrhage due to isolated splenic trauma. Splenic rupture was high-grade in most patients when grading was possible. Six of 77 patients (7.8 %) were treated with PSAE, including the 2 cases reported herein. Fifty-seven patients (74 %) underwent ST. NOM was attempted first in 25 patients with a high failure rate (11 of 25 [44 %]) and requiring a salvage procedure, such as PSAE or ST. Previous surgery (31 of 59 patients), adhesions (10 of 13), diagnostic colonoscopies (49 of 71), previous biopsies or polypectomies (31 of 57) and female sex (56 of 77) were identified as risk factors. In contrast, splenomegaly (0 of 77 patients), medications that increase the risk of bleeding (13 of 30) and difficult colonoscopies (16 of 51) were not identified as risk factors. PSAE was safe and effective even in elderly patients with comorbidities and those taking medications that increase the risk of bleeding, and the length of the hospital stay was similar to that after ST. CONCLUSION We propose a treatment algorithm based on clinical and radiological criteria. Because of the high failure rate after NOM, PSAE should be the treatment of choice to manage grade I through IV splenic ruptures after colonoscopy in hemodynamically stabilized patients.
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Affiliation(s)
- Antonella Corcillo
- Département de Médecine Interne, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland,
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Abunnaja S, Panait L, Palesty JA, Macaron S. Laparoscopic splenectomy for traumatic splenic injury after screening colonoscopy. Case Rep Gastroenterol 2012; 6:624-8. [PMID: 23139653 PMCID: PMC3492969 DOI: 10.1159/000343428] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Colonoscopy is a widespread diagnostic and therapeutic procedure. The most common complications include bleeding and perforation. Splenic rupture following colonoscopy is rarely encountered and is most likely secondary to traction on the splenocolic ligament. Exploratory laparotomy and splenectomy is the most commonly employed therapeutic intervention for this injury reported in the literature. We present the case of a patient with this potentially fatal complication who was treated successfully at our institution. To our knowledge it is the first report in the literature of laparoscopic splenectomy as a successful minimally invasive treatment of splenic rupture following colonoscopy. The patient was a 62-year-old female who underwent screening colonoscopy with polypectomies at the cecum, descending colon and rectum. Immediately following the procedure she developed abdominal pain and had a syncopal episode. Clinical, laboratory and imaging findings were suggestive of hemoperitoneum and a ruptured spleen. A diagnostic laparoscopy was emergently performed and revealed a grade IV splenic laceration and hemoperitoneum. Laparoscopic splenectomy was completed safely and effectively. The patient's postoperative recovery was uneventful. We conclude that splenic rupture after colonoscopy is a rare but dangerous complication. A high index of suspicion is required to recognize it early. Awareness of this potential complication can lead to optimal patient outcome. Laparoscopic splenectomy may be a feasible treatment option.
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Affiliation(s)
- Salim Abunnaja
- The Stanley Dudrick Department of Surgery, Saint Mary's Hospital, Waterbury, Conn., USA
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Singla S, Keller D, Thirunavukarasu P, Tamandl D, Gupta S, Gaughan J, Dempsey D. Splenic injury during colonoscopy--a complication that warrants urgent attention. J Gastrointest Surg 2012; 16:1225-34. [PMID: 22450952 DOI: 10.1007/s11605-012-1871-0] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2011] [Accepted: 03/07/2012] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Colonoscopy is a safe procedure that is performed routinely worldwide. There is, however, a small but significant risk of splenic injury that is often under-recognized. Due to a lack of awareness about this injury, the diagnosis may be delayed, which can lead to an increased risk of morbidity as well as mortality. This paper presents a comprehensive review of the medical literature on colonoscopy-associated splenic injury and describes the clinical presentation and management of this rare but potentially life-threatening complication. MATERIALS AND METHODS A comprehensive literature search identified 102 patients worldwide, including patients from our experience, with splenic injury during colonoscopy. A meta-regression analysis was completed using a mixed generalized linear model for repeated measures to identify risk factors for this rare complication. RESULTS A total of 75 articles were identified and 102 patients were studied. The majority of the papers were in English (92 %). Only 23.4 % of patients (26/102) were reported prior to the year 2000. Among the patients reported after the year 2000, the majority (84.2 %, 64/76) were reported after 2005. There were more females (76.5 %), median age was 65 years (range, 29-90 years), and most of the colonoscopies were performed without difficulty (66.6 %). Nearly 67 % of patients presented within 24 h of colonoscopy with complaints ranging from abdominal pain to dizziness. The most common symptom was left upper quadrant pain (58 %), and CT scan was found to be the most sensitive tool for diagnosis. Seventy-three patients underwent operative intervention; 96 % of these were treated with splenectomy. Hemoglobin drop of more than 3 gm/dL was identified as the only significant predictor of operative intervention. The overall mortality rate was 5 %. CONCLUSION Splenic injury during colonoscopy is rare; however, it is associated with significant morbidity and mortality. Splenic injury warrants a high degree of clinical suspicion critical to prompt diagnosis, and early surgical consultation is warranted.
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Affiliation(s)
- S Singla
- Department of Surgery, Temple University Hospital, Philadelphia, PA, USA.
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Milzverletzung im Rahmen einer Koloskopie mit tödlichem Verlauf. Rechtsmedizin (Berl) 2012. [DOI: 10.1007/s00194-011-0804-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Zandonà C, Turrina S, Pasin N, De Leo D. Medico-legal considerations in a case of splenic injury that occurred during colonoscopy. J Forensic Leg Med 2012; 19:229-33. [PMID: 22520377 DOI: 10.1016/j.jflm.2011.12.035] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Revised: 11/08/2011] [Accepted: 12/27/2011] [Indexed: 02/07/2023]
Abstract
Colonoscopy has became the gold standard diagnostic and therapeutic treatment for rectum and colon diseases. The splenic injury is a rare complication of colonoscopy and relatively few cases (less than 70) have been reported in the literature so far. Here we present a case of splenic rupture identified in an 80 year-old man few hours after an apparently uneventful colonoscopy. Acknowledging a causal relationship between the lesion and the diagnostic procedures, we discuss the possible medico-legal implications with regard to professional liability considering the exceptional nature of such an event and the stance recently taken by the Italian law.
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Affiliation(s)
- Chiara Zandonà
- Department of Public Health and Community Medicine, Institute of Legal Medicine, University of Verona, Policlinico G.B. Rossi, P.le L.A. Scuro 10, 37134 Verona, Italy
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Michetti CP, Smeltzer E, Fakhry SM. Splenic injury due to colonoscopy: analysis of the world literature, a new case report, and recommendations for management. Am Surg 2011; 76:1198-204. [PMID: 21140684 DOI: 10.1177/000313481007601117] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Splenic injury is a rare complication of colonoscopy. Most literature on the topic is case-report based. Our objective was to perform a comprehensive analysis of characteristics of splenic injury due to colonoscopy from available published reports in the world literature, to compare and contrast this entity with that of traumatic splenic injury, and provide recommendations for management based on the analysis. We reviewed the PubMed database without restrictions using the terms splenic trauma after colonoscopy, splenic rupture from colonoscopy, splenic injury following colonoscopy, and splenic complications of colonoscopy, and also reviewed the references from the resulting publications. Retrieved manuscripts (case reports, reviews, and abstracts) were reviewed by two authors, and data extracted for 15 specific characteristics of each patient reported using a standardized data collection tool. Data were analyzed using descriptive statistics. Splenic injury due to colonoscopy is extremely rare as reported in published literature. The majority of patients that seek medical attention have delayed symptoms, and most require splenectomy. Subcapsular hematoma is the most common injury pattern seen. Selection criteria for operative management may be extrapolated from management guidelines for traumatic splenic injury, although nonoperative failure rates are higher for splenic injury due to colonoscopy than for trauma.
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Affiliation(s)
- Christopher P Michetti
- Inova Regional Trauma Center, Inova Fairfax Hospital, Falls Church, Virginia 22042, USA.
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Splenic rupture as a complication of colonoscopy: report of a case. Surg Today 2009; 40:68-71. [PMID: 20037844 DOI: 10.1007/s00595-008-3977-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2008] [Accepted: 12/19/2008] [Indexed: 10/20/2022]
Abstract
Colonoscopy is a common procedure with the rare complication of a splenic injury. The proposed mechanism of injury is excessive splenocolic ligament traction. The diagnosis is made by computed tomography and the treatment is determined by the patient's stability. Here we report a case of splenic injury during colonoscopy with failure to manage conservatively. A review of the literature and suggested guidelines are also provided.
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Skipworth JRA, Raptis DA, Rawal JS, Olde Damink S, Shankar A, Malago M, Imber C. Splenic injury following colonoscopy--an underdiagnosed, but soon to increase, phenomenon? Ann R Coll Surg Engl 2009; 91:W6-11. [PMID: 19416579 DOI: 10.1308/147870809x400994] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
INTRODUCTION We present a case of splenic rupture in a 71-year-old woman admitted 6 days following a diagnostic colonoscopy. She underwent an open splenectomy and made a delayed, but complete, recovery. We proceeded to perform a retrospective review of all relevant literature to assess the frequency of similar post-colonoscopy complications. MATERIALS AND METHODS Using relevant keywords, we identified 63 further PubMed reports of splenic injury associated with colonoscopy that were reported in English. FINDINGS We have described only the fourth report of splenic injury secondary to colonoscopy from a UK centre. Literature review reveals a mean age of 63 years and a female preponderance for this complication. Most patients present on the day of their colonoscopy with abdominal pain, anaemia, elevated white cell count and Kehr's sign. CT is the investigation of choice and splenectomy the definitive management of choice. Most patients make a routine recovery, with mortality rates of approximately 8%. There is likely to be an under-reporting of this complication from UK-based centres, with the majority of reports originating from Europe and US. This points to a possible under-diagnosis or under-recognition of this potentially fatal complication. The incidence of such post-colonoscopic complications may increase with the forthcoming introduction of the National Bowel Cancer Screening Programme.
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Affiliation(s)
- J R A Skipworth
- Department of Hepatopancreaticobiliary Surgery, University College Hospital, London, UK.
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Abstract
Splenic perforation represents a rare complication of colonoscopy. In our report we have reviewed the experience reported in the world literature, including proposed mechanisms, risk factors for splenic perforation and available management options. We have also discussed our concerns for under reporting. We had a total of 4 cases of splenic perforation following colonoscopies at our centre. One patient had a small splenic laceration repaired; two were observed closely and discharged without intervention. The patient mentioned below required a splenectomy.
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Affiliation(s)
- Lakshmi Pasumarthy
- Department of Medicine, York Hospital, 1001 S. George St, York, PA 17405, USA
| | - James Srour
- Department of Gastroenterology, York Hospital, 1001 S. George St, York, PA 17405, USA
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12
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Abstract
Colonoscopy is a safe and routinely performed diagnostic and therapeutic procedure for different colorectal diseases. Although the most common complications are bleeding and perforation, extracolonic or visceral injuries have also been described. Splenic rupture is a rare complication following colonoscopy, with few cases reported. We report a 60-year-old female who presented to surgical consultation 8 h after a diagnostic colonoscopy. Clinical, laboratory and imaging findings were suggestive for a massive hemoperitoneum. At surgery, an almost complete splenic disruption was evident, and an urgent splenectomy was performed. After an uneventful postoperative period, she was discharged home. Splenic injury following colonoscopy is considered infrequent. Direct trauma and excessive traction of the splenocolic ligament can explain the occurrence of this complication. Many times the diagnosis is delayed because the symptoms are due to colonic insufflation, so the most frequent treatment is an urgent splenectomy. A high index of suspicion needs an early diagnosis and adequate therapy.
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Famularo G, Minisola G, De Simone C. Rupture of the spleen after colonoscopy: a life-threatening complication. Am J Emerg Med 2008; 26:834.e3-4. [PMID: 18774051 DOI: 10.1016/j.ajem.2008.01.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2007] [Revised: 12/28/2007] [Accepted: 01/01/2008] [Indexed: 10/21/2022] Open
Abstract
During colonoscopy, the risk of injuring the spleen or other viscera except the colon is negligible. We report here a patient in whom spleen rupture did complicate the very early course of colonoscopy, but this remains an extremely rare complication with no more than 50 cases so far described. Diagnosis may be difficult, and the risk of spleen rupture seems to be greatest within 24 hours of colonoscopy. Mechanisms leading to spleen injury in the setting of colonoscopy are unclear; however, direct trauma, colon distension by insufflated air, and the excessive traction on the splenocolic ligament may be involved. Patients with splenomegaly and those with preexisting adhesions are at greater risk for this complication. Patients complaining of persistent abdominal pain after colonoscopy should be closely monitored and aggressively investigated for the suspect of spleen injury and rupture.
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Affiliation(s)
- Giuseppe Famularo
- Department of Internal Medicine, San Camillo Hospital, Circonvallazione Gianicolense, 00152 Rome, Italy.
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Saad A, Rex DK. Colonoscopy-induced splenic injury: report of 3 cases and literature review. Dig Dis Sci 2008; 53:892-8. [PMID: 17934832 DOI: 10.1007/s10620-007-9963-5] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2007] [Accepted: 08/01/2007] [Indexed: 12/12/2022]
Abstract
BACKGROUND Since its first report in 1974, 66 cases of splenic injury after colonoscopy have been reported in the world literature. Splenic injury is among the rarest complications of colonoscopy. However, it can be associated with severe morbidity and has rarely been fatal. OBJECTIVES Three cases of splenic injury following colonoscopy are described, and the world literature is reviewed. METHODS Case reports and literature review. RESULTS Seventy-six percent of the patients were females. When reported, colonoscope insertion was technically difficult in 36% of cases. The onset of symptoms is usually within 48 h of colonoscopy. Abdominal pain was the most common presenting symptom (93% of cases). CT scan and ultrasound each had 100% diagnostic sensitivity when performed. Twenty of 65 cases (31%) with available data were successfully managed supportively with bed rest, transfusion and pain control. Hemodynamic instability was associated with surgical treatment, but no clinical features were perfect predictors of successful conservative therapy or the need for surgery. CONCLUSIONS Splenic injury during and after colonoscopy is more common in women. Technically difficult colonoscopy is a possible risk factor. Onset of symptoms is often delayed by hours. CT scan is probably the best diagnostic test for splenic injury after colonoscopy, though the literature indicated ultrasound is also sensitive. Patients with hemodynamic instability are most often operated. Patients with confined intrasplenic hematoma and hemodynamic stability can be given a trial of conservative management.
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Affiliation(s)
- Abdo Saad
- Department of Medicine, Division of Gastroenterology/Hepatology, Indiana University School of Medicine, 550 N. University Boulevard UH 4100, Indianapolis, IN 46202, USA
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Cappellani A, Di Vita M, Zanghì A, Cavallaro A, Alfano G, Piccolo G, Lo Menzo E. Splenic rupture after colonoscopy: Report of a case and review of literature. World J Emerg Surg 2008; 3:8. [PMID: 18261241 PMCID: PMC2279110 DOI: 10.1186/1749-7922-3-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2007] [Accepted: 02/09/2008] [Indexed: 11/25/2022] Open
Abstract
Splenic rupture is a rare complication of colonoscopy. For this reason the diagnosis could be delayed and the outcome dismal. Fifty-four cases of splenic rupture after colonoscopy have been described in the literature. The majority of the cases required emergent or delayed splenectomy, 13 of these cases were treated conservatively. The main feature that stands out from the review of the literature is the "surprise" of this unexpected complication. This factor explains the elevated mortality (2 out of 54 cases), likely due to the delay in diagnosis. The case here described is probably among the most complex published in the literature; in fact the presence of dense intra-abdominal adhesions not only contributed to the complication itself, but also explain the confinement of the hemoperitoneum to the left supra-mesocolic space and the delayed presentation (13 days from the time of the trauma).
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Affiliation(s)
- Alessandro Cappellani
- University of Catania Medical School, Policlinico, Department of Surgery, Catania, Italy
| | - Maria Di Vita
- University of Catania Medical School, Policlinico, Department of Surgery, Catania, Italy
| | - Antonio Zanghì
- University of Catania Medical School, Policlinico, Department of Surgery, Catania, Italy
| | - Andrea Cavallaro
- University of Catania Medical School, Policlinico, Fellowship in Surgical Physio-Pathology, Catania, Italy
| | - Giovanni Alfano
- University of Catania Medical School, Policlinico, Department of Surgery, Catania, Italy
| | - Gaetano Piccolo
- University of Catania Medical School, Policlinico, Department of Surgery, Catania, Italy
| | - Emanuele Lo Menzo
- University of Miami, Miller School of Medicine, Department of Surgery, Miami, Florida, USA
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Sterlacci W, Heiss S, Augustin F, Tzankov A. Splenic Rupture, Beyond and Behind: A Histological, Morphometric and Follow-Up Study of 254 Cases. Pathobiology 2007; 73:280-7. [PMID: 17374965 DOI: 10.1159/000099122] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2006] [Accepted: 11/28/2006] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVE Population-based data regarding splenic rupture causes are sparse. To systematically characterize histology and morphometry of splenic rupture, we performed a retrospective clinicopathological study of 254 patients. METHODS Our electronic data base was reviewed and all splenic rupture cases were morphologically, morphometrically and, where needed, molecularly analyzed. Clinical and follow-up data were gained by reviewing patient charts. A formula to calculate splenic volume based on size was established and results were compared to the actual volumes. RESULTS Ruptured spleens presented 0.1% of all gross surgical pathology specimens. Nearly 90% were due to trauma and approximately 10% were pathologic, being associated with underlying diseases (5% with unexpected diseases) such as splenic angiomas, granulomatous diseases, infarctions, hepatopathies, cysts, hemorrhagic diatheses, hematological neoplasms, metastatic carcinoma and collagenosis. Men were more often affected than women. Morphometric analysis showed distinct splenic weights, volumes and capsule thicknesses with respect to the different rupture causes. Pathological ruptures were predominantly observed in elderly, male patients with larger spleens. CONCLUSIONS Splenic rupture is due to an often unexpected underlying disease in approximately 10% of the cases. This should be kept in mind when dealing with susceptible patient groups.
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Affiliation(s)
- William Sterlacci
- Institute of Pathology, Medical University of Innsbruck, Innsbruck, Austria
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Abstract
Splenic injury is a well-known but rare complication of various abdominal surgical and invasive procedures, and even of cardiac surgery. The true incidence of iatrogenic splenic trauma is, however, difficult to assess and is probably underestimated. Overt injuries diagnosed during surgery are usually immediately treated by splenectomy without imaging. This review focuses on missed splenic injuries that are diagnosed on imaging following surgery or an invasive procedure.
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