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Wagner C, Dachman A, Ehrenpreis ED. Mesenteric Panniculitis, Sclerosing Mesenteritis and Mesenteric Lipodystrophy: Descriptive Review of a Rare Condition. Clin Colon Rectal Surg 2022; 35:342-348. [PMID: 35966977 PMCID: PMC9365492 DOI: 10.1055/s-0042-1743588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Mesenteric panniculitis (MP) is the preferred nomenclature for a continuum of inflammatory diseases of the mesentery. The diagnosis of MP is often based on the appearance of a mass-like structure at the root of the mesentery. Characteristic histology includes focal fat necrosis, chronic inflammation, and sometimes mesenteric fibrosis. At present, robust literature related to diagnosis and management of MP are limited. MP is postulated to be an immune-mediated chronic inflammatory and/or a paraneoplastic disease. A personal or family history of other autoimmune diseases is commonly apparent. Several inciting events have been identified that possibly act as triggers in the development of the disease. Trauma, abdominal surgery, infection, and various cancers have been associated with mesenteric panniculitis. There are several diagnostic and histologic criteria that aid in making the diagnosis of MP. The differential diagnosis for a mesenteric mass includes neoplastic disease, and a biopsy may be indicated to rule out other conditions. While cases of MP with a short duration of symptoms, or spontaneously regression may occur, some patients experience prolonged periods of pain, fever, and alterations in bowel habit, causing significant morbidity. A variety of medical therapies have been suggested for MP. Only two, thalidomide and low-dose naltrexone, have been prospectively evaluated. For patients with chronic MP, good responses to prolonged corticosteroid treatment have been reported. Novel therapies include thalidomide and low-dose naltrexone. Hormonal and immunomodulatory therapies are also used based on small case series, but these treatments may have significant side effects. Surgical intervention is not curative and is avoided except for relief of focal bowel obstruction secondary to fibrotic forms of the disease.
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Affiliation(s)
- Christopher Wagner
- Department of Medicine, Advocate Lutheran General Hospital, Park Ridge, Illinois
| | - Abraham Dachman
- Department of Radiology, University of Chicago Hospital, Chicago, Illinois
| | - Eli D. Ehrenpreis
- Department of Medicine, Advocate Lutheran General Hospital, Park Ridge, Illinois
- Department of Medicine, Rosalind Franklin University Medical School, North Chicago, Illinois
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Dahiya DS, Kichloo A, Singh J, Albosta MS, Wani F, Aljadah M, Haq KF. Acute Recurrent Exacerbations of Mesenteric Panniculitis With Immunosuppressive Therapy: A Case Report and a Brief Review. J Investig Med High Impact Case Rep 2020; 8:2324709620969581. [PMID: 33138661 PMCID: PMC7649945 DOI: 10.1177/2324709620969581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Mesenteric panniculitis (MP) is a rare, benign, and idiopathic disorder characterized by chronic inflammation of the mesenteric adipose tissue of the small intestine. The exact etiology of MP is unknown and its associations with underlying malignancies continues to be poorly understood. In this case report, we describe a rare case of acute exacerbations of MP in a middle-age female with a known past medical history of non-Hodgkin’s lymphoma in remission and small bowel resection for a localized carcinoid tumor. The patient was diagnosed with MP 4 years ago and started on tamoxifen therapy with adequate control of her symptoms. Last year, she reported to the emergency department with multiple episodes of sudden-onset, severe, and localized right upper quadrant abdominal pain and nausea without vomiting. She was diagnosed with an acute exacerbation of MP and a decision was made to add 60 mg prednisone daily in addition to her tamoxifen regimen. She remained symptomatically stable for the next 6 months after the start of dual therapy with tamoxifen and prednisone. However, for the past 6 months, the patient reported to the emergency department on an average of 2 times/month with the same recurrent symptoms despite high compliance with tamoxifen and prednisone therapy. She was admitted for her pain management and her dose of prednisone was increased and she was subsequently discharged home with improvement of her symptoms. Her tamoxifen was switched to mycophenolate on her follow-up visit with gastrointestinal clinic, and her disease has remained stable for the past 2 months. Our case report discusses in-depth the literature on MP and its management. We also detail the steps in management of a rare case of recurrent acute exacerbations of MP despite the patient being on immunosuppressive therapy.
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Affiliation(s)
| | | | | | | | - Farah Wani
- Central Michigan University, Saginaw, MI, USA
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Abstract
Sclerosing mesenteritis is a rare non-neoplastic disorder characterized by fat necrosis, chronic inflammation, and fibrosis typically of the small bowel mesentery. Our understanding of this disorder is limited by its rarity as well as inconsistent terminology used across the literature. While prior abdominal surgery or trauma, autoimmunity, infection, ischemia, and malignancy have been suggested to be involved in the pathogenesis of the disorder, it remains poorly understood. The clinical course of sclerosing mesenteritis is generally benign with a large proportion of patients diagnosed incidentally on imaging obtained for other indications. In a subset of patients, symptoms may arise from a mass effect on the bowel, lymphatics, or vasculature resulting in bowel obstruction, chylous ascites, or mesenteric ischemia. Symptomatic patients should be treated with a combination of corticosteroid and tamoxifen as first-line therapy based on retrospective case series and experience in other fibrosing disorders. Surgical intervention may be required in those with persistent obstruction despite conservative treatment, though complete resection of the mass is often not feasible given intimate involvement with the mesenteric vasculature. A careful use of terminology and communication between the radiologist, pathologist, and clinicians in the care of these patients will be essential to future efforts at understanding this disease.
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Rivera ED, Coffey JC, Walsh D, Ehrenpreis ED. The Mesentery, Systemic Inflammation, and Crohn's Disease. Inflamm Bowel Dis 2019; 25:226-234. [PMID: 29920595 DOI: 10.1093/ibd/izy201] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Indexed: 12/11/2022]
Abstract
Initially thought to be a structure that only provided support to the abdominal contents, the mesentery has now gained special attention in the scientific community. The new approach of studying the mesentery as an individual organ has highlighted its importance in the development of local and systemic inflammatory diseases and its potential role in Crohn's disease. Its topographical relationship with the intestine in the setting of active inflammation and "creeping fat" is possibly one of the most important arguments for including the mesentery as an important factor in the pathogenesis of Crohn's disease. In this review, we discuss the importance of the mesentery from the anatomical and embryological standpoints. We also will summarize data on mesenteric inflammation in patients with Crohn's disease. The significance of the mesentery in systemic inflammatory syndromes will be discussed, and we provide an overview of primary inflammatory disorders of the mesentery. Finally, we discuss surgical approaches for patients requiring resection for Crohn's disease that incorporate mesenteric factors, pointing out recent data suggesting that these have the potential for improving outcomes and reducing disease recurrence. 10.1093/ibd/izy201_video1izy201.video15794169491001.
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Affiliation(s)
- Edgardo D Rivera
- Division of Gastroenterology, Hepatology and Nutrition, University of Miami Miller School of Medicine, Mailman Center for Child Development, Miami, Florida
| | - John Calvin Coffey
- FRCSI Surgery, Graduate Entry Medical School, University of Limerick, Limerick, Ireland.,Department of Surgery, University Hospital Limerick Group, Limerick, Ireland
| | - Dara Walsh
- Department of Surgery, University Hospital Limerick Group, Limerick, Ireland
| | - Eli D Ehrenpreis
- Rosalind Franklin University Medical School, North Chicago, Illinois.,Division of Gastroenterology, Hepatology and Nutrition, University of Miami Miller School of Medicine, Miami, Florida.,Advocate Lutheran General Hospital, Park Ridge, Illinois
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Toljan K, Vrooman B. Low-Dose Naltrexone (LDN)-Review of Therapeutic Utilization. Med Sci (Basel) 2018; 6:medsci6040082. [PMID: 30248938 PMCID: PMC6313374 DOI: 10.3390/medsci6040082] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 09/16/2018] [Accepted: 09/18/2018] [Indexed: 02/07/2023] Open
Abstract
Naltrexone and naloxone are classical opioid antagonists. In substantially lower than standard doses, they exert different pharmacodynamics. Low-dose naltrexone (LDN), considered in a daily dose of 1 to 5 mg, has been shown to reduce glial inflammatory response by modulating Toll-like receptor 4 signaling in addition to systemically upregulating endogenous opioid signaling by transient opioid-receptor blockade. Clinical reports of LDN have demonstrated possible benefits in diseases such as fibromyalgia, Crohn’s disease, multiple sclerosis, complex-regional pain syndrome, Hailey-Hailey disease, and cancer. In a dosing range at less than 1 μg per day, oral naltrexone or intravenous naloxone potentiate opioid analgesia by acting on filamin A, a scaffolding protein involved in μ-opioid receptor signaling. This dose is termed ultra low-dose naltrexone/naloxone (ULDN). It has been of use in postoperative control of analgesia by reducing the need for the total amount of opioids following surgery, as well as ameliorating certain side-effects of opioid-related treatment. A dosing range between 1 μg and 1 mg comprises very low-dose naltrexone (VLDN), which has primarily been used as an experimental adjunct treatment for boosting tolerability of opioid-weaning methadone taper. In general, all of the low-dose features regarding naltrexone and naloxone have been only recently and still scarcely scientifically evaluated. This review aims to present an overview of the current knowledge on these topics and summarize the key findings published in peer-review sources. The existing potential of LDN, VLDN, and ULDN for various areas of biomedicine has still not been thoroughly and comprehensively addressed.
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Affiliation(s)
- Karlo Toljan
- Department of Pathophysiology, University of Zagreb School of Medicine, Kispaticeva 12, 10 000 Zagreb, Croatia.
| | - Bruce Vrooman
- Section of Pain Medicine, Department of Anesthesiology, Dartmouth-Hitchcock Medical Center, 1 Medical Center Dr, Lebanon, NH 03756, USA.
- Department of Anesthesiology, Geisel School of Medicine at Dartmouth, Hanover, NH 03756, USA.
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Li Z, You Y, Griffin N, Feng J, Shan F. Low-dose naltrexone (LDN): A promising treatment in immune-related diseases and cancer therapy. Int Immunopharmacol 2018; 61:178-184. [DOI: 10.1016/j.intimp.2018.05.020] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/22/2018] [Accepted: 05/22/2018] [Indexed: 12/16/2022]
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