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Advanced gastrointestinal malignancy or benign inflammatory disease? An unusual presentation of sclerosing mesenteritis. Report of a case.

The presentation of change of bowel habit, weight loss, muscle wasting, ascites, and the surgical appearance of "omental cake" are almost pathognomonic of advanced gastrointestinal malignancy. In our case, these symptoms represented a unique presentation of the condition sclerosing mesenteritis. Despite its rarity, the clinician should be aware of this "sheep in wolf's clothing," the clinical importance of which lies in the condition's benign and self-limiting course and imparts to the patient a prognosis and treatment that could not be further removed from that of advanced malignancy. Investigations that may be helpful to the surgeon in distinguishing the condition from carcinomatosis and avoiding unnecessary laparotomy include preoperative colonoscopy, barium enema, cytology of any ascites, and intraoperative frozen section biopsy. Treatment of the condition is conservative unless it has caused extrinsic bowel obstruction.

Ascites↗

Demonstration of efficacy of combining corticosteroids and colchicine in two patients with idiopathic sclerosing mesenteritis.

Sclerosing mesenteritis is an uncommon condition of unknown etiology. It is likely to be the fibrous evolution of mesenteric panniculitis. It often has an indolent course but may be complicated by progressive bowel obstruction. The treatment of the symptomatic forms is not well established. The observations of two women (20 and 65 years old) with a relentless downhill course of biopsy-proved sclerosing mesenteritis are described. A treatment regimen with corticosteroid therapy (initially 1 mg/kg/day) and colchicine (1 mg/day) led, in both cases, to a rapid improvement. Abdominal computer tomography showed reduction in the tumor size. The combination of corticosteroids and colchicine is helpful in the management of symptomatic sclerosing mesenteritis. Follow-up with abdominal computed tomography is useful in evaluating the therapeutic impact.

Adult↗

Mesenteric panniculitis of the colon with obstruction of the inferior mesenteric vein: report of a case.

Mesenteric panniculitis is a rare disease characterized by nonspecific inflammation of the fat tissue of the mesentery. We present an extremely rare case of mesenteric panniculitis of the sigmoid colon, complicated by occlusion of the inferior mesenteric vein. A 75-year-old male presented with a one-month history of abdominal distention and abdominal mass without pain. Physical examination revealed a firm mass in the lower abdomen. Barium enema study demonstrated rugged mucosa and a serrated contour in the rectosigmoid colon. Computed tomography showed that the mass arose from the mesentery, which surrounded the mesenteric vessels. The density of the mass was slightly higher than that of fatty tissue. Based on these radiologic findings, the patient was diagnosed as having mesenteric panniculitis of the rectosigmoid colon. Colonoscopy showed narrowing with edematous mucosa in the rectosigmoid colon, whereas marked dilated vessels were noted in the proximal portion of the sigmoid colon. Angiography showed occlusion of the inferior mesenteric vein, with venous flow returning via a collateral vein. The patient was observed without medication because his condition was satisfactory. His symptoms subsequently disappeared during a period of several weeks. The mass in the lower abdomen gradually diminished in size, disappearing three months later. Computed tomography and barium enema showed improvement of the lesion. The favorable outcome of the present case was probably because of formation of a collateral vein. The present case suggests that aggressive therapy for mesenteric panniculitis should be avoided, because the outcome of this disorder is good, even when there is obstruction of vessels.

Abdominal Pain↗

[Post-operative sclerosing mesenteritis].

For the first time we describe a sclerosing mesenteritis that appeared acutely after abdominal operations. The patient suffered from diffuse abdominal symptoms. There was a hard tumour in the left middle and lower abdomen. Histological analysis revealed fibrosis and bone tissue. Symptoms improved after application of prednisone and high-calorie infusions.

Abdominal Neoplasms↗

Retractile mesenteritis in a 12-year-old girl: CT findings.

We report a pathologically proven case of retractile mesenteritis in a 12-year-old girl. Computed tomography (CT) demonstrated a large mass of fat density completely circumscribing the colon. Although the definitive diagnosis of retractile mesenteritis depends on histopathological findings, recognition of CT features is helpful in the diagnosis.

Child↗

Mesenteric panniculitis: sonographic findings.

BACKGROUND: Mesenteric panniculitis (MP) is a relatively rare disease, and sonographic (US) and color Doppler findings have been infrequently reported. METHODS: We reviewed the clinical data and US and Doppler results of three cases of MP to determine the role and limitations of these techniques. RESULTS: The sole presenting clinical sign was a soft mass. On US the lesion was imaged as a poorly margined echogenic mass with hypoechoic areas. Color Doppler US visualized the nondeviated mesenteric vessels within the mass, which enabled us to perform a safe guided biopsy. CONCLUSIONS: US is useful as an initial diagnostic tool, but its results must be interpreted carefully. Color Doppler US is very useful in demonstrating fine vessels and helps in performing a safe needle biopsy.

Humans↗

Outcome of laparoscopic cholecystectomy in patients 80 years and older.

Advanced age is associated with an increase in postoperative complications. This study assesses the indications and outcome for laparoscopic cholecystectomy (LC) in patients aged 80 years or older. Consecutive, unselected patients aged 80 years or over undergoing LC between 1991 and 2000 were included. A retrospective case review enabled analysis of clinical and operative factors together with in-hospital morbidity, 30-day mortality, and duration of hospital stay. A series of 117 patients, 79 women and 38 men with a median age of 83 years (range 80-93 years), underwent LC. Indications for LC were chronic cholecystitis in 62 (53%) patients, acute cholecystitis in 28 (24%), gallstone pancreatitis in 12 (10%), and other conditions in 15 (13%). Six (5%) patients required conversion to an open procedure. Overall, 26 (22%) patients developed a postoperative complication. There were no bile leaks or bile duct injuries. One patient, with gangrenous cholecystitis, died after LC. The median postoperative hospital stay was 3 days (range 1-31 days). LC can be performed safely with low morbidity in patients over age 80 years.

Aged↗

Mesenteric panniculitis: US and CT features.

Mesenteric panniculitis is an aseptic inflammation of mesenteric fat. Before the age of ultrasonography (US) and computed tomography (CT), mesenteric panniculitis was rarely diagnosed, but today the disorder is more commonly encountered, often as an incidental imaging finding. Its exact cause remains unknown. This review illustrates the characteristic US and CT features of mesenteric panniculitis and discusses its differential diagnosis.

Acute Disease↗

Sclerosing mesenteritis with occult ileal perforation: report of a case simulating extensive intra-abdominal malignancy.

Sclerosing mesenteritis is a rare condition that is characterized by fibrosis affecting mainly small-bowel mesentery, which in extensive cases may mimic advanced intra-abdominal malignancy. Establishing the diagnosis in such cases is a clinical and histopathologic challenge. We report the successful management of a case of extensive sclerosing mesenteritis with occult ileal perforation, which was possibly the triggering cause. Severe complications occurred as a result of both the disease itself and its surgical treatment. Despite the complex course and life-threatening complications, a good prognosis can be expected. Although occasional recovery has been attributed to spontaneous regression and response to immunosuppressive therapy, a search for, and full eradication of, possible triggering focus is of paramount importance.

Abdominal Neoplasms↗

CT and MR features of sclerosing mesenteritis mimicking a mesenteric metastasis from the carcinoid tumor.

Sclerosing mesenteritis is a rare and benign inflammatory entity characterized by fibrofatty thickening of the mesentery. To our knowledge, there are only a few reports on the features of sclerosing mesenteritis on magnetic resonance (MR) imaging and computed tomography (CT). In this present case, MR imaging demonstrated tissue characterization of fibrosis, and partial maximum intensity projection (MIP) and three-dimensional angiography images obtained using multislice CT clearly revealed the extent of the tumor and the vascular appearance affected by the mass. However, a mesenteric metastasis from the carcinoid tumor may show such imaging features. Therefore, when encountering such a case, we suggest that a tentative diagnosis of sclerosing mesenteritis be made, followed by a biopsy for intraoperative histopathologic analysis to avoid aggressive surgery.

Aged↗

Nodular form of intra-abdominal panniculitis: sonographic features.

Sonography of a patient with acute upper abdominal pain demonstrated an encapsulated hyperechoic mass which indented the stomach. Fine-needle biopsy produced atypical cells; the diagnosis of nodular intra-abdominal panniculitis was made at surgery. Sonography probably has a role in the detection and follow-up of this benign lesion.

Female↗

Mesenteric panniculitis: findings on CT, MRI, and angiography. Case report.

The computed tomography (CT), magnetic resonance (MR), and angiographic features of a case of mesenteric panniculitis are presented. The MR characteristics of this rare disorder have not previously been reported. The value of MR in arriving at the preoperative diagnosis of this disorder is discussed.

Aged↗

Mesenteric panniculitis presenting as a multilocular cystic mesenteric mass: CT and MR evaluation.

Mesenteric panniculitis is a non-neoplastic, inflammatory process affecting the adipose tissue of the mesentery in adults with slight male predilection. Typical computed tomography (CT) or magnetic resonance imaging (MRI) findings are of either diffuse mesenteric infiltration or nodular mesenteric masses. We encountered a case of mesenteric panniculitis in a 26-year-old woman with the left upper quadrant pain and fullness, in which CT and MRI disclosed a large, ill-defined, multilocular cystic mesenteric mass. After surgery, the diagnosis of mesenteric panniculitis was made. The cystic components were dilated lymphatics due to lymphatic and venous obstruction by the mesenteric panniculitis.

Adult↗

CT and MRI manifestations of intraabdominal panniculitis.

We report a case of intraabdominal panniculitis. Computed tomography (CT) showed diffuse increased attenuation in the omentum, mesentery, and retroperitoneal region. As the disease progressed, the entire mesentery and retroperitoneal regions were involved. On magnetic resonance imaging (MRI), the lesion demonstrated an intermediate signal intensity on T1-weighted images and a slightly high signal intensity on T2-weighted images. Though the radiologic findings are not specific, this condition should be considered in the appropriate clinical context.

Humans↗

[Mesenteric panniculitis].

Mesenteric panniculitis also named retractile mesenterite is a rare tumor-like lesion that thickens and shortens the mesentery. It is characterized by the association of inflammation, necrosis or fibrosis involving the adipose tissue of the bowel mesentery. The pathophysiology of this disease remains unclear despite associations with inflammatory diseases or malignancies, especially lymphomas that have been described. When symptomatic, patients may present with abdominal pain, palpable abdominal mass or intestinal obstruction. The disease remains asymptomatic in 30 to 50% of cases. Abdominal CT plays an important role in suggesting the diagnosis and can be useful in distinguishing the several conditions that can mimic mesenteric panniculitis. Nevertheless, pathologic examination of surgical excisional biopsies or sometimes percutaneous biopsies remains necessary to confirm the diagnosis and exclude an underlying infection or malignancy. Medical treatment may consist of therapy with anti inflammatory or immunosuppressive agents and can be proposed in highly symptomatic diseases. Surgical treatment should be exclusively attempted when intestinal obstruction or ischemia occur. Most of the time, it consists in intestinal derivation or segmental resection because complete excision of the lesions is often not possible. Mesenteric panniculitis usually has an uneventful clinical course and resolves spontaneously in a variable delay.

Diagnosis, Differential↗

The CT appearances of sclerosing mesenteritis and associated diseases.

Sclerosing mesenteritis is characterized by non-specific inflammation of the mesenteric fat associated with variable amount of fibrosis. The aetiology is unclear; the pathogenesis is obscure, and even its nomenclature remains variable. It is a rare condition with imaging features that can be mistaken either for a mesenteric neoplasm or for a wide variety of non-neoplastic inflammatory conditions. Knowledge of the imaging features of this condition may prevent unwarranted aggressive therapy. This review discusses the pathogenesis, clinical manifestations of this condition, as well as illustrating the characteristic computed tomography (CT) features of sclerosing mesenteritis. A rational approach to the differential diagnosis is discussed.

Adult↗