Magnetic Resonance Imaging Assessment of Lipomatous Soft-tissue Tumors

Coran, Alessandro; Ortolan, Paolo; Attar, Shady; Alberioli, Enrico; Perissinotto, Egle; Tosi, Anna Lisa; Montesco, Maria Cristina; Róssi, Carlo; Tropea, Saveria; Rastrelli, Marco; Stramare, Roberto

doi:10.21873/invivo.11071

Cited by 31 publications

(23 citation statements)

References 8 publications

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“…MRI is also considered a very helpful diagnostic imaging with an advantage of differentiating lipomas from liposarcomas. This differentiation prevents from doing invasive diagnostic techniques such as biopsy before surgery [3,9].…”

Section: Discussionmentioning

confidence: 99%

Giant Adult Mesenteric Lipoma: A Rare Cause of Chronic Abdominal Distention and Discomfort

Abtar¹,

Abdallah²,

Lakkis³

et al. 2020

Case Reports in Surgery

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Solitary or multiple lipomas are considered common tumors that can occur anywhere in the body; however, mesenteric lipoma is a rare entity that is well known to present with signs and symptoms of small bowel volvulus. Hereby, we present a case of a 54-year-old male patient with multiple comorbidities who was suffering from chronic abdominal discomfort and gradual increase of his abdominal distention over many years without seeking any medical attention. The patient was seen by a general practitioner after complaining of an inflated abdomen, as he described his condition. After several imaging studies, he was diagnosed with one of the largest mesenteric lipomas in the literature. Mesenteric lipoma should be present in the differential diagnosis of any abdominal tumor. Magnetic resonance imaging plays a major role in differentiating benign from malignant lipomas.

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Section: Discussionmentioning

confidence: 99%

Giant Adult Mesenteric Lipoma: A Rare Cause of Chronic Abdominal Distention and Discomfort

Abtar¹,

Abdallah²,

Lakkis³

et al. 2020

Case Reports in Surgery

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“…At present, the final diagnosis of DDLPS is made on histological evaluation (23). Histopathologically, DDLPS has been defined as the presence of a clear-cut WDLPS/ALT component clearly separated from the poorly differentiated component and/or occupying a large area beside the poorly differentiated component (13).…”

Section: Discussionmentioning

confidence: 99%

Dedifferentiated liposarcoma of the musculoskeletal system: expanded MR imaging spectrum from predominant fatty mass to non-fatty mass

et al. 2019

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Background The morphology of musculoskeletal dedifferentiated liposarcoma was previously reported as well-defined non-lipomatous masses juxtaposed with fatty tumors. Purpose To establish a new spectrum of magnetic resonance imaging (MRI) findings for dedifferentiated liposarcoma according to the quantity and distribution of the non-fatty component in the tumor. Material and Methods This study consisted of a retrospective review of MRI of 14 patients with a total of 18 histopathologically proven dedifferentiated liposarcoma lesions in the musculoskeletal area. Tumors were classified into four categories (I–IV) according to MR features: I = a well-defined fatty mass and juxtaposed well-defined non-fatty mass; II = a non-fatty component within a predominant fatty mass; III = a focal fatty component within a large non-fatty mass; and IV = a non-fatty mass. Tumor size and depth were also analyzed. Results The MR categorizations of the tumors were as follows: Category I, n = 3; Category II, n = 1; Category III, n = 7; and Category IV, n = 7. The mean tumor size was 11.9 cm (range = 5.0–22.2 cm). Most of the tumors showed a predominant non-fatty area and were deeply located at the intra- or intermuscular space. Conclusion Dedifferentiated liposarcoma lesions showed a diverse spectrum of MRI findings. Although the presence of a non-fatty region within or adjacent to a well-defined fatty mass can suggest dedifferentiated liposarcoma, non-fatty masses without a fatty component were frequent on MRI.

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“…Pathologic examination of these masses is important to differentiate a benign fibroadipose tissue from other neoplasms, such as sarcoma, which can present similarly clinically and on radiographic imaging. Recent studies have highlighted that experienced examiners are able to achieve high diagnostic accuracy in distinguishing between lipomas and atypical lipomatous tumor/well-differentiated liposarcomas on the basis of MRI characteristics, particularly considering size, margins, homogeneity of the signal and the presence of septa or nodules [5]. Close follow-up of this patient with an appropriate imaging modality will be beneficial because there is a lack of understanding on the origin of the mass.…”

Section: Discussionmentioning

confidence: 99%

Abdominal Wall Mass: An Unusual Complication of a Ventral Hernia Repair

et al. 2018

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An abdominal wall mass can arise from a large number of etiologies, but it has not been reported as a complication of a ventral hernia repair. The most common complication of a hernia repair is recurrence. Here, we report an unusual case of a 47-year-old male who presented with a benign abdominal mass 12 years after undergoing a ventral hernia repair, and describe our recommended surgical management.

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Magnetic Resonance Imaging Assessment of Lipomatous Soft-tissue Tumors

Abstract: Abstract. Aim: To establish the accuracy of magneticresonance imaging (MRI)

Cited by 31 publications

References 8 publications

Giant Adult Mesenteric Lipoma: A Rare Cause of Chronic Abdominal Distention and Discomfort

Giant Adult Mesenteric Lipoma: A Rare Cause of Chronic Abdominal Distention and Discomfort

Dedifferentiated liposarcoma of the musculoskeletal system: expanded MR imaging spectrum from predominant fatty mass to non-fatty mass

Abdominal Wall Mass: An Unusual Complication of a Ventral Hernia Repair

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