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Lamb R, Kahlon A, Sukumar S, Layton B. Small bowel diverticulosis: imaging appearances, complications, and pitfalls. Clin Radiol 2022; 77:264-273. [PMID: 35012738 DOI: 10.1016/j.crad.2021.12.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Accepted: 12/02/2021] [Indexed: 12/19/2022]
Abstract
Diverticula of the small bowel can be categorised as true, with Meckel's being the only example, or false. False small bowel diverticula (SBD) are acquired through herniation of the internal layers of the bowel wall through the muscularis propria. Peri-ampullary duodenal diverticula are a well-recognised example; however, the importance of more distal SBD in the jejunum and ileum is underappreciated, and they are under-reported on cross-sectional imaging. SBD are a known cause of anaemia, malabsorption, and diarrhoea, and there are myriad complications of SBD and Meckel's diverticula, which range in severity from inflammation and perforation to haemorrhage, tumour formation, and obstruction. Before the advent of computed tomography (CT), SBD were readily diagnosed on fluoroscopic oral contrast studies; however, radiologists are less comfortable with their cross-sectional imaging appearances. This imaging review combines our experience of multiple proven cases, with illustrative diagrams and radiological images of SBD to provide distinct imaging characteristics, allowing for confident diagnosis of SBD and their numerous complications. We discuss the importance of SBD as a cause of benign, non-surgical pneumoperitoneum. We additionally provide important pitfalls to be aware of such as SBD masquerading as other abnormalities.
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Affiliation(s)
- R Lamb
- Department of Clinical Radiology, East Lancashire Hospitals Trust, Haslingden Rd, Blackburn, BB2 3HH, UK
| | - A Kahlon
- Department of Clinical Radiology, East Lancashire Hospitals Trust, Haslingden Rd, Blackburn, BB2 3HH, UK
| | - S Sukumar
- Department of Clinical Radiology, University Hospital of South Manchester, Southmoor Road, Manchester, Greater Manchester, M23 9LT, UK
| | - B Layton
- Department of Clinical Radiology, East Lancashire Hospitals Trust, Haslingden Rd, Blackburn, BB2 3HH, UK.
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2
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Fouad M, Appleton B, Young T. Solitary jejunal diverticulum: a rare unexpected cause of chronic pneumoperitoneum. Ann R Coll Surg Engl 2021; 104:e156-e159. [PMID: 34846191 DOI: 10.1308/rcsann.2021.0233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Jejunal diverticula are a rare acquired herniation of the mucosa and submucosa through the muscularis propria. They are asymptomatic in the majority of cases; however, they can present with non-specific abdominal symptoms and rarely complicate leading to acute abdomen. Perforation usually results in symptoms and signs of acute peritonitis and it is not an identifiable aetiology of chronic pneumoperitoneum. Computed tomography scanning may identify intestinal wall oedema, air bubbles travelling through the mesentery, free intra-abdominal air and/or fluid. Radiological diagnosis requires a high index of suspicion of such pathology. We report a case of an isolated jejunal diverticulum as a cause for aseptic chronic pneumoperitoneum.
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Affiliation(s)
- M Fouad
- Cwm Taf Morgannwg University Health Board, UK
| | - B Appleton
- Cwm Taf Morgannwg University Health Board, UK
| | - T Young
- Cwm Taf Morgannwg University Health Board, UK
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3
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Hanna M, Ng C, Slater K. Small Bowel Diverticulosis As a Cause of Chronic Pneumoperitoneum. Cureus 2020; 12:e7303. [PMID: 32313744 PMCID: PMC7164552 DOI: 10.7759/cureus.7303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Pneumoperitoneum, or the accumulation of free air in the peritoneal cavity, is commonly associated with visceral perforation, mandating emergent surgical intervention. Non-surgical pneumoperitoneum, where visceral perforation is not the cause, does not commonly require surgical management. Chronic pneumoperitoneum secondary to small bowel diverticulosis is rare. Of all gastrointestinal diverticular diseases, jejunoileal diverticulosis is the rarest form. We describe a case of chronic pneumoperitoneum in an 83-year-old male presenting with intermittent abdominal distension and constipation over five years resulting in many presentations to his rural hospital. There were never any associated signs of sepsis such as fever or tachycardia. A computed tomography scan revealed large volume pneumoperitoneum without evidence of perforated viscera or free fluid. An elective diagnostic laparoscopy revealed extensive small bowel diverticular disease. One of the diverticuli exhibited pneumotosis intestinalis where bubbles of gas were noted within the diverticulum wall and mesentery in the local vicinity. Given the extent of the small bowel diverticular disease, the patient's advanced age, and relative lack of symptoms, bowel resection was not undertaken and the patient was managed conservatively. This article illustrates a case of chronic pneumoperitoneum due to small bowel diverticulosis. It highlights the differential diagnoses for chronic pneumoperitoneum, increases awareness of this rare and challenging condition, and portrays the utility of conservative management avoiding major surgery and its potential complications.
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Affiliation(s)
- Mark Hanna
- General Surgery, Princess Alexandra Hospital, Brisbane, AUS
| | - Chu Ng
- General Surgery, Princess Alexandra Hospital, Brisbane, AUS
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4
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Ng ZQ, Theophilus M, Navadgi S, Menon T, Wijesuriya R. Jejunal Diverticulitis: A Single-Center Experience and Proposed Management Algorithm. Surg Infect (Larchmt) 2019; 20:499-503. [DOI: 10.1089/sur.2019.070] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Zi Qin Ng
- Department of General Surgery, St John of God Midland Hospital, Midland, Western Australia, Australia
| | - Mary Theophilus
- Department of General Surgery, St John of God Midland Hospital, Midland, Western Australia, Australia
| | - Suresh Navadgi
- Department of General Surgery, St John of God Midland Hospital, Midland, Western Australia, Australia
| | - Tulsi Menon
- Department of General Surgery, St John of God Midland Hospital, Midland, Western Australia, Australia
| | - Ruwan Wijesuriya
- Department of General Surgery, St John of God Midland Hospital, Midland, Western Australia, Australia
- School of Medicine, University of Notre Dame, Fremantle, Western Australia, Australia
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Lebert P, Ernst O, Zins M. Acquired diverticular disease of the jejunum and ileum: imaging features and pitfalls. Abdom Radiol (NY) 2019; 44:1734-1743. [PMID: 30758535 DOI: 10.1007/s00261-019-01928-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
PURPOSE To present radiological aspects of jejunoileal diverticulosis and its complications. RESULTS Jejunoileal diverticulosis is a relatively rare and underestimated condition, which mostly affects the elderly. It is frequently asymptomatic but it can lead to significant complications requiring surgical treatment. Jejunoileal diverticulosis is far less common than colonic diverticulosis. Acquired small bowel diverticula are often numerous but the complication rate is low. Acute diverticulitis is the most frequent complication; its classic presentation involves the jejunum and is often non-severe. Diverticular hemorrhage is the second most common complication; CT scan examination is essential to determine the accurate topography of the pathological diverticula. Small bowel obstruction can occur through several mechanisms: adhesions, enterolith, and intussusception. Extra-intestinal gas without perforation and "pseudo-ischemic" appearance are non-pathological conditions that are important to diagnose in order to avoid surgery. CONCLUSION Jejunoileal diverticulosis usually does not show any symptoms but can lead to diagnostic challenges requiring evaluation by CT. CT scan signs of these complications and some pitfalls must be known.
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Affiliation(s)
- P Lebert
- Department of Digestive Diagnostic and Interventional Radiology, University Hospital Claude Huriez - Regional University Hospital Center, rue Michel Polonowski, 59037, Lille Cedex, France.
| | - O Ernst
- Department of Digestive Diagnostic and Interventional Radiology, University Hospital Claude Huriez - Regional University Hospital Center, rue Michel Polonowski, 59037, Lille Cedex, France
| | - M Zins
- Department of Radiology, Fondation Hôpital Saint-Joseph, 185 rue Raymond Losserand, 75674, Paris, France
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Acute Jejunoileal Diverticulitis: Multicenter Descriptive Study of 33 Patients. AJR Am J Roentgenol 2018; 210:1245-1251. [DOI: 10.2214/ajr.17.18777] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Hanna C, Mullinax J, Friedman MS, Sanchez J. Jejunal diverticulosis found in a patient with long-standing pneumoperitoneum and pseudo-obstruction on imaging: a case report. Gastroenterol Rep (Oxf) 2015. [PMID: 26220890 PMCID: PMC5193057 DOI: 10.1093/gastro/gov033] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Small bowel diverticulosis is a rare finding within the general population and jejunal diverticulosis, specifically, is even rarer. Clinical manifestations can range from post-prandial pain, constipation and malabsorption to serious complications, such as gastro-intestinal hemorrhage, perforation and acute intestinal obstruction. Here we describe the case of an 81-year-old gentleman who presented with a three-year history of abdominal pain and weight loss. Despite unremarkable physical examination and laboratory tests, persistent pneumoperitoneum and dilated loops of small bowel were found on imaging. Having been given a diagnosis of small bowel bacterial overgrowth, the patient underwent capsule endoscopy study for further evaluation of his small bowel. The capsule did not reach the colon and the patient never noted passing the capsule in his stool so, six months post-procedure, a computed tomography (CT) scan seemed to reveal the retained capsule. Subsequent exploratory laparotomy revealed 200 cm of atonic, dilated jejunum with impressive diverticula along the anti-mesenteric border. This case report is an example of an unusual set of presenting signs and symptoms of jejunal diverticulosis, including persistent pneumoperitoneum, pseudo-obstruction and small bowel bacterial overgrowth. A literature review has revealed that these signs have been present in other cases of jejunal diverticulosis, although the etiology and pathophysiology is not clearly understood.
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Affiliation(s)
| | - John Mullinax
- Department of Surgical Oncology, Moffitt Cancer Center, Tampa, FL, USA
| | - Mark S Friedman
- Department of Surgical Oncology, Moffitt Cancer Center, Tampa, FL, USA
| | - Julian Sanchez
- Department of Surgical Oncology, Moffitt Cancer Center, Tampa, FL, USA
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Non-surgical management of recurrent perforation of a jejunal diverticulum following previous segmental bowel resection: a case report. J Med Case Rep 2009; 3:7318. [PMID: 19830183 PMCID: PMC2737788 DOI: 10.4076/1752-1947-3-7318] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2008] [Accepted: 01/23/2009] [Indexed: 12/16/2022] Open
Abstract
Introduction Perforations of jejunal diverticula are uncommon and repeated symptomatic perforations have been reported only twice before in the literature. This is the first case report of recurrent perforation of a jejunal diverticulum to be successfully managed non-operatively. Case presentation We report a recurrent perforation of a jejunal diverticulum in an 87-year-old Caucasian man who presented with a 1-week history of epigastric pain. The diagnosis of a perforated jejunal diverticulum was made from the appearances of the abdominal computed tomography scan together with the presence of jejunal diverticula noted at the time of a previous laparotomy for the first perforation of a jejunal diverticulum. Conclusion Whilst this case report by itself does not add to the knowledge we already have of jejunal diverticula, it is one report of a rare condition and more reports are required in the future to establish the recurrence rate of jejunal diverticula perforation and how perforated jejunal diverticula are best managed.
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Abstract
Nonmeckelian jejunoileal diverticula (JID) are rare, but potentially clinically significant lesions. Despite recent advances in modern diagnostic modalities, diagnosis of JID may be problematic. Upper gastrointestinal contrast series with small bowel follow-through examination and mainly enteroclysis are the 2 main diagnostic methods. In selected cases (mainly complicated JID), the physician could use other diagnostic methods, such as ultrasound, computed tomography, endoscopy, intraoperative endoscopy, laparoscopy, radiotagged erythrocyte bleeding scans, and selective mesenteric arteriography. JID may be clinically silent or symptomatic causing chronic pain or malabsorption or other acute complications, such as hemorrhage, inflammation, perforation, etc. Laparotomy remains the gold standard for definite diagnosis of asymptomatic and complicated diverticula. Treatment should be individualized. Surgery could be indicated, mainly in symptomatic diverticula. The extent of resection may be a problem, especially in patients with extensive disease involving large parts of the bowel. In these cases, clinical judgment is required from the part of surgeon to avoid short bowel syndrome.
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Abstract
OBJECTIVE The purpose of our study was to better characterize the CT findings of jejunal diverticulosis by retrospectively reviewing abdominal CT scans of 28 patients with this condition on barium examinations. CONCLUSION Jejunal diverticula have characteristic findings on CT, appearing as discrete round or ovoid, contrast-, fluid-, or air-containing structures outside the expected lumen of the small bowel, with a smooth, barely discernible wall and no recognizable small-bowel folds. Not infrequently, these structures are seen to communicate directly with an adjoining small-bowel loop, a feature best recognized by scrolling the images. Our experience suggests that jejunal diverticulosis can often be recognized on the basis of the characteristic CT features of this condition.
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Furukawa A, Sakoda M, Yamasaki M, Kono N, Tanaka T, Nitta N, Kanasaki S, Imoto K, Takahashi M, Murata K, Sakamoto T, Tani T. Gastrointestinal tract perforation: CT diagnosis of presence, site, and cause. ACTA ACUST UNITED AC 2006; 30:524-34. [PMID: 16096870 DOI: 10.1007/s00261-004-0289-x] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Gastrointestinal tract perforation is an emergent condition that requires prompt surgery. Diagnosis largely depends on imaging examinations, and correct diagnosis of the presence, level, and cause of perforation is essential for appropriate management and surgical planning. Plain radiography remains the first imaging study and may be followed by intraluminal contrast examination; however, the high clinical efficacy of computed tomographic examination in this field has been well recognized. The advent of spiral and multidetector-row computed tomographic scanners has enabled examination of the entire abdomen in a single breath-hold by using thin-slice sections that allow precise assessment of pathology in the alimentary tract. Extraluminal air that is too small to be detected by conventional radiography can be demonstrated by computed tomography. Indirect findings of bowel perforation such as phlegmon, abscess, peritoneal fluid, or an extraluminal foreign body can also be demonstrated. Gastrointestinal mural pathology and associated adjacent inflammation are precisely assessed with thin-section images and multiplanar reformations that aid in the assessment of the site and cause of perforation.
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Affiliation(s)
- A Furukawa
- Department of Radiology, Shiga University of Medical Science, Seta Tsukinowa-cho Otsu, Shiga 520-2192, Japan.
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12
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Cunningham SC, Gannon CJ, Napolitano LM. Small-bowel diverticulosis. Am J Surg 2005; 190:37-8. [PMID: 15972168 DOI: 10.1016/j.amjsurg.2005.03.024] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2004] [Revised: 03/22/2005] [Accepted: 03/22/2005] [Indexed: 12/16/2022]
Abstract
Diffuse jejunoileal diverticulosis with pneumoperitoneum but without peritonitis is an uncommon but well-documented entity. Cases of jejunoileal diverticular perforation in which the perforation is evident are managed with resection of the diseased bowel and primary anastomosis. In the absence of an intraoperative finding of a perforation or an area of discrete inflammation, copious irrigation and closure of the abdomen is appropriate in cases of diffuse small-bowel diverticulosis.
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Affiliation(s)
- Steven C Cunningham
- General Surgery and Critical Care, VA Maryland Health Care System, Baltimore, Baltimore, MD 21201, USA
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13
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de Bree E, Grammatikakis J, Christodoulakis M, Tsiftsis D. The clinical significance of acquired jejunoileal diverticula. Am J Gastroenterol 1998; 93:2523-8. [PMID: 9860418 DOI: 10.1111/j.1572-0241.1998.00605.x] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Because of the relative rarity of acquired jejunoileal diverticulosis, including its symptomatology and complications, diagnosis is often difficult and delayed, resulting in unnecessary morbidity and mortality. The purpose of the present study was to draw attention to jejunoileal diverticula and their complications as a site of gastrointestinal symptoms. METHODS The records of 10 patients with symptomatic jejunoileal diverticula treated in our departments were reviewed. RESULTS The clinical presentation was varying and nonspecific. Jejunoileal diverticula were diagnosed peroperatively in four patients operated on successfully for their acute complications. In one case the diagnosis was considered after a radiotargeted erythrocyte bleeding scan and in five other cases enteroclysis for chronic abdominal complaints demonstrated jejunoileal diverticula. The death of one patient operated on for massive hemorrhage from jejunal diverticula was probably related to delayed diagnosis and treatment. CONCLUSIONS Jejunoileal diverticula should not always be dismissed as asymptomatic findings, as they may be the cause of vague, chronic symptomatology and acute complications, including intestinal obstruction, hemorrhage, and perforation. Awareness of the fact that jejunoileal diverticula may cause chronic nonspecific abdominal symptoms and serious acute complications may lead to earlier diagnosis and timely treatment with lower morbidity and mortality.
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Affiliation(s)
- E de Bree
- Department of Surgical Oncology, University of Crete-Medical School, Herakleion, Greece
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14
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Abstract
Congenital and acquired diverticula of the jejunum and ileum in the adult are unusual and occur in approximately 1 percent to 2 percent of the population. They are pulsion diverticula thought to be the result of intestinal dyskinesia. These lesions can produce a significant diagnostic and therapeutic dilemma. They are multiple in the jejunum and solitary distally and are characteristically found in 60- or 70-year-old males. The diagnosis may be confirmed with contrast studies of the small intestine, arteriography, or nuclear scan. Consider these disorders in patients with 1) unexplained gastrointestinal bleeding, 2) unexplained intestinal obstruction, 3) an unexpected cause of acute abdomen, 4) chronic abdominal pain, 5) anemia, or 6) malabsorption. Medical therapy is helpful in controlling diarrhea and anemia, while surgical therapy is reserved for hemorrhage, obstruction, perforation, or failure of medical management. Asymptomatic diverticula discovered on routine contrast studies need not be resected. At surgery, incidental diverticula should be removed when evidence of dilated, hypertrophied loops of small bowel with large diverticula is found. Intraoperative air distention will aid in diagnosis. Resection and primary anastomosis is the preferred treatment for non-Meckelian diverticula. Diverticulectomy is reserved for a Meckel's diverticulum without evidence of ulceration. An incidental Meckel's diverticulum should be removed in the presence of mesodiverticular bands or ectopic tissue. Removal of a Meckel's diverticulum is not advised in the patient with Crohn's disease but may be performed in the patient undergoing restorative proctocolectomy for ulcerative colitis.
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Affiliation(s)
- W E Longo
- Department of Surgery, St. Louis University School of Medicine, Missouri
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15
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Diverticulitis of the jejunum: clinical and radiological features. GASTROINTESTINAL RADIOLOGY 1991; 16:24-8. [PMID: 1991603 DOI: 10.1007/bf01887297] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
This article describes three cases of jejunal diverticulitis in elderly women, who had presented with pain and tenderness in the periumbilical region or the left side of the abdomen, low-grade fever, anemia, and weight loss. The findings were initially attributed to possible inflammatory or neoplastic lesions of the colon. However, gastrointestinal barium studies and computed tomography (CT) of the abdomen proved crucial in establishing the preoperative diagnosis of jejunal diverticulitis and its associated abscess in the adjacent mesentery or abdominal wall. The clinical and radiological manifestations of this uncommon entity are herein presented along with a brief review of the pertinent literature.
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Abstract
We present a 68-year-old patient who, over a two-year period, was observed to have persistent benign pneumoperitoneum. The free air was present in the abdominal cavity without gastrointestinal perforation or pneumatosis cystoides intestinalis. The persistent pneumoperitoneum was a benign process and was not associated with peritonitis or other ill effects. The source of the free air was not clear. Conceivably, microperforations occurring in colonic diverticula or in distended intestinal wall induced the persistent benign pneumoperitoneum.
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Brown MW, Brown RC, Orr G. Pneumoperitoneum complicating endoscopy in a patient with duodenal and jejunal diverticula. Gastrointest Endosc 1986; 32:120-1. [PMID: 3086176 DOI: 10.1016/s0016-5107(86)71777-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Roh JJ, Thompson JS, Harned RK, Hodgson PE. Value of pneumoperitoneum in the diagnosis of visceral perforation. Am J Surg 1983; 146:830-3. [PMID: 6650772 DOI: 10.1016/0002-9610(83)90353-7] [Citation(s) in RCA: 71] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The presence or absence of pneumoperitoneum may not be as reliable an indicator of visceral perforation as commonly thought. Visceral perforation as commonly thought. Visceral perforation resulted in pneumoperitoneum in only 51 percent of patients in this study. Pneumoperitoneum occurred in 14 percent of patients in whom the extraalimentary intraperitoneal air had sources other than a perforated viscus. These patients' clinical findings were often indistinguishable from those of patients with a perforated viscus, and three patients underwent celiotomy unnecessarily. The routine use of the left lateral decubitus film to detect pneumoperitoneum and the judicious use of gastrointestinal contrast studies should be part of the optimal management of patients with suspected visceral perforation.
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Miller RE, Becker GJ, Slabaugh RD. Nonsurgical pneumoperitoneum. GASTROINTESTINAL RADIOLOGY 1981; 6:73-4. [PMID: 7262500 DOI: 10.1007/bf01890224] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The radiographic evidence of free air in the abdomen is usually associated with gastrointestinal perforations which represent a surgical emergency. However, pneumoperitoneum may also develop in a variety of benign conditions and following diagnostic or therapeutic procedures. This article provides a comprehensive list of nonsurgical causes of pneumoperitoneum.
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