1,830 results match your criteria Liposarcoma Imaging

Parosteal lipoma of the rib: A rare condition in an uncommon location.

J Med Imaging Radiat Oncol 2021 Jun 20. Epub 2021 Jun 20.

Benson Radiology, Adelaide, South Australia, Australia.

A 36-year-old female patient was diagnosed with a parosteal lipoma arising from the left 3rd rib. This was preluded by a 5-year history of an asymptomatic and stable mass at the medial aspect of the left scapula. It had displayed an interval enlargement in the preceding 3 months which prompted investigation to rule out an aggressive lesion. Read More

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Head and neck lipoblastomas: Report of 3 cases and review of the literature.

Int J Surg Case Rep 2021 Jun 4;84:106050. Epub 2021 Jun 4.

ENT Department, Face and Neck Surgery, Hospital August, 20'1953, University Hospital Center IBN ROCHD, Casablanca, Morocco; Faculty of Medicine and Pharmacy, Hassan II University of Casablanca, B.P 5696, Casablanca, Morocco.

Introduction: Lipoblastoma is a rare benign tumor arising from embryonic white fat which occurs in the early childhood. It usually arises on the extremities and considered as a rare cause of a pediatric head and neck masses. The aim of this study is to shed light on lipoblastomas as a differential diagnosis of rapidly growing soft fatty masses of children in neck and head area. Read More

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Challenges in the treatment of a giant retroperitoneal liposarcoma.

Ann Ital Chir 2020 Aug 28;9. Epub 2020 Aug 28.

Background: Retroperitoneal soft-tissue sarcoma is a very rare neoplasm, the most frequent histological subtype is liposarcoma with up to 45% of all cases. Unspecific clinical presentation, late diagnosis and high local recurrence rate represent important problems in clinical practice. We present the case of an adult patient with an unusual large liposarcoma of the retroperitoneum analyzing diagnostic workup, surgical approach and therapeutic strategies. Read More

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Magnetic resonance imaging of soft tissue sarcoma: features related to prognosis.

Eur J Orthop Surg Traumatol 2021 May 29. Epub 2021 May 29.

Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via GC Pupilli n 1, 40136, Bologna, Italy.

Magnetic Resonance Imaging is a fundamental tool in the evaluation of soft tissue sarcoma. Imaging features are relevant for the assessment of treatment strategies, surgical planning and also for patients' prognosis prediction. Among soft tissue sarcoma and also other malignancies, the size of the mass is usually considered the prognostic key element in diagnostic imaging. Read More

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Diagnosis and Prognosis of Retroperitoneal Liposarcoma: A Single Asian Center Cohort of 57 Cases.

J Oncol 2021 1;2021:7594027. Epub 2021 Apr 1.

Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 1 Shuaifuyuan, Beijing 100730, China.

Background: Liposarcoma is a soft tissue malignancy, commonly observed in the extremities. However, retroperitoneal liposarcoma is seldom reported and its diagnosis is frequently neglected. This study aims to present the clinical characteristics, diagnosis, and prognosis of five liposarcoma subtypes and report our experience of patient treatment. Read More

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FDG PET/CT Findings of a Primary Paravertebral Liposarcoma.

Clin Nucl Med 2021 May 26. Epub 2021 May 26.

From the Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China.

Abstract: Liposarcoma is a soft tissue tumor that commonly appears in the retroperitoneum and the extremities. Herein, we presented the imaging findings of a 68-year-old man with a paravertebral liposarcoma involving the adjacent vertebral bodies, appendices, and ribs. MRI revealed this mass located in the left side of T9 to T10 vertebral bodies. Read More

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Recurrent transient loss of airway secondary to regurgitated pedunculated hypopharyngeal liposarcoma.

BMJ Case Rep 2021 May 19;14(5). Epub 2021 May 19.

Otorhinolaryngology, Head & Neck Surgery, East Kent Hospitals University NHS Foundation Trust, Canterbury, Kent, UK.

We describe a rare case of hypopharyngeal liposarcoma with an atypical presentation. The patient presented with a 3-month history of intermittent, transient acute airway obstruction. In between episodes, he was asymptomatic. Read More

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Anti-PD-1 Immunotherapy and Bee Venom for Relapsed and Refractory Liposarcoma: A Case Report.

Front Oncol 2021 29;11:668992. Epub 2021 Apr 29.

Department of Oncology, Hangzhou Red Cross Hospital, Hangzhou, China.

Cancer immunotherapies, including immune checkpoint inhibitors, elicit long-term clinical responses but many cancer patients do not respond. Intensive efforts are therefore underway to identify additional immune pathways that may be modulated to enhance the efficacy of existing immunotherapies. Bee venom strongly stimulates the immune system, and is used as a complementary therapy to treat cancer pain in patients with advanced tumors in China. Read More

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Pediatric Head and Neck Tumors Associated with Li-Fraumeni Syndrome.

Ann Otol Rhinol Laryngol 2021 May 10:34894211014786. Epub 2021 May 10.

Department of Otolaryngology-Head and Neck Surgery, University of Colorado School of Medicine and Children's Hospital Colorado, Aurora, CO, USA.

Introduction: Cancer predisposition syndromes are germline pathogenic variants in genes that greatly raise the risk of developing neoplastic diseases. One of the most well-known is Li-Fraumeni syndrome (LFS), which is due to pathogenic variants in the gene. Children with LFS have higher risks for multiple malignancies before adulthood, often with rare and aggressive subtypes. Read More

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Staging and Surveillance of Myxoid Liposarcoma: Follow-up Assessment and the Metastatic Pattern of 169 Patients Suggests Inadequacy of Current Practice Standards.

Ann Surg Oncol 2021 May 7. Epub 2021 May 7.

Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada.

Background: Unlike other sarcoma subtypes, myxoid liposarcoma (MLS) has a propensity for extra-pulmonary metastases. Computed tomography (CT) scan of the chest, abdomen, and pelvis has become an accepted practice for surveillance. However, recent literature suggests that this may be inadequate. Read More

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Hypopharyngeal spindle cell lipoma: A case report and review of literature.

Medicine (Baltimore) 2021 May;100(18):e25782

Department of Otorhinolaryngology.

Rationale: Spindle cell lipoma is a rare, uncommon type of benign lipomatous tumor, a distinct group of lipomas composed of mature adipocytes, uniform spindle cells, and multinucleated giant cells associated with ropey collagen. Immunohistochemically, spindle cell lipoma is characterized by the diffuse expression of CD34.

Patient Concerns: We present a rare case of a 56-year-old man who complained of vomiting out of a smooth and giant mass in the oral cavity provoked by an intra-abdominal pressure increase. Read More

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Retroperitoneal liposarcoma mimicking pheochromocytoma.

Radiol Case Rep 2021 Jun 15;16(6):1493-1498. Epub 2021 Apr 15.

Department of Clinical Surgical Sciences, The University of the West Indies, St Augustine Campus, Trinidad, West Indies.

Retroperitoneal liposarcomas are rare mesenchymal tumors which carry a poor prognosis because of their late presentation. When symptoms do occur, they are usually nonspecific and related to mass effect or invasion of local structures. Rarely, retroperitoneal liposarcomas can clinically and biochemically mimic phaeochromocytomas. Read More

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Unusual cardiac tamponade: Giant primary cardiac myxoid liposarcoma.

J Card Surg 2021 Jul 29;36(7):2536-2538. Epub 2021 Apr 29.

Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai, China.

Primary cardiac myxoid liposarcoma is an extremely rare disease. We reported a 61-year-old man with a 1-month history of aggressive dyspnea and anorexia due to a giant primary cardiac myxoid liposarcoma. Radical resection, whenever feasible, is considered to be an appropriate surgical strategy for this disease. Read More

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Carbon ion radiotherapy for recurrent calf myxoid liposarcoma: a case report.

J Int Med Res 2021 Apr;49(4):3000605211009701

Heavy Ion Radiotherapy Department of Cancer Hospital, Wuwei, Gansu, China.

Liposarcoma (LPS) is the most common soft tissue sarcoma. Myxoid LPS (MLPS) is the second most common subtype of LPS and accounts for 25% to 50% of all LPSs. Like most other soft tissue sarcomas, the mainstay of treatment for LPS is inevitably surgery. Read More

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The incidence and relevance of non-fatty components in trunk and extremity lipomatous soft tissue masses.

Br J Radiol 2021 Jun 20;94(1122):20201403. Epub 2021 May 20.

Department of Radiology, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, Middlesex, UK.

Objectives: To determine the incidence and diagnostic relevance of non-fatty 'solid appearing' components within lipomatous tumours of the trunk and extremity.

Methods And Materials: Retrospective review of patients referred to a specialist musculoskeletal oncology service over a 12-month period with a lipomatous trunk or extremity soft tissue tumour. The presence and morphology (solitary/multifocal; homogeneous/heterogeneous; well-defined/poorly defined) of non-fatty components was recorded based on MRI and compared with the final histological diagnosis. Read More

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Pleomorphic retroperitoneal liposarcoma with kidney infiltration mimicking renal trauma.

Urol Case Rep 2021 Sep 23;38:101647. Epub 2021 Mar 23.

Departments of Urology and Anatomy Pathology, Hasan Sadikin Academic Medical Centre / Faculty of Medicine, Universitas Padjajaran, Bandung, Indonesia.

Pleomorphic retroperitoneal liposarcoma are uncommon malignant tumor which hard to treat condition for its local aggressiveness and clinical specificity. A 84 years-old male patient complained with an abdominal mass and left flank pain without hematuria. The patient also complained of shortness of breath due to left pleural effusion. Read More

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September 2021

Giant bilateral adrenal lipoma in a patient with congenital adrenal hyperplasia.

Endocrinol Diabetes Metab Case Rep 2021 Mar 31;2021. Epub 2021 Mar 31.

Endocrinology in Charlottenburg, Stuttgarter Platz 1, Berlin, Germany.

Summary: Apart from adrenal myelolipomas, adrenal lipomatous tumors are rare and only seldom described in the literature. We present the case of a 50-year-old man, with a classical form of congenital adrenal hyperplasia (CAH), which was well treated with prednisolone and fludrocortisone. The patient presented with pollakisuria and shortness of breath while bending over. Read More

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Symmetric bilateral liposarcoma in an interventional cardiologist.

Lancet Oncol 2021 04;22(4):e173

Department of Hematology & Oncology, Medical University Innsbruck, Innsbruck, Austria.

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Magnetic resonance imaging of trunk and extremity myxoid liposarcoma: diagnosis, staging, and response to treatment.

Skeletal Radiol 2021 Apr 1. Epub 2021 Apr 1.

Department of Clinical Oncology, University College London Hospital, 250 Euston Road, London, NW1 2PG, UK.

Myxoid liposarcoma (MLS) accounts for approximately 30% of all liposarcomas. The majority are intermediate-grade tumours, but the presence of >5% round cell component renders it a high-grade sarcoma with subsequent poorer outcome. MLS most commonly arises in the lower extremities, has a predilection for extra-pulmonary sites of metastatic disease, and is recognized to be radiosensitive. Read More

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Tumors and pseudotumors of the soft tissues: Imaging semiology and strategy.

J Clin Imaging Sci 2021 3;11:13. Epub 2021 Mar 3.

Department Radiology, Musculoskeletal Imaging Unit, CHU Besancon, Besancon, France.

The aims of this educational review are to learn the semiological basis of soft-tissue lesions and, with the help of diagnostic algorithms, to apply the current recommendations for the management of soft-tissue tumors. Pseudotumors must first be identified and excluded. Among primary tumors, the search for macroscopic fat content on MRI is decisive; since it restricts the diagnostic range to adipocytic tumors. Read More

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Dermoid cyst in the subcutaneous tissues of the back: A rare case with multimodal imaging and pathologic correlation.

Radiol Case Rep 2021 May 6;16(5):1127-1132. Epub 2021 Mar 6.

Department of Pathology, Veterans Health Service Medical Center, 53, Jinhwangdo-ro 61-gil, Gangdong-gu, Seoul 05368, Republic of Korea.

Dermoid cysts are lined by keratinizing squamous epithelium and consist of skin appendages such as hair follicles, apocrine glands, and sebaceous glands. They are usually diagnosed during infancy or early childhood, commonly reported in the head and neck region. A dermoid cyst on the back is extremely rare, with only three cases in the pediatric and adult populations. Read More

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Lipoblastomas and liposarcomas in paediatric patients: A case series.

J Int Med Res 2021 Mar;49(3):300060520981362

School of Medicine, Loma Linda University, Loma Linda, CA, USA.

Lipoblastomas and liposarcomas are rare causes of soft tissue masses in paediatric patients. In this retrospective clinical case series we identified 11 patients from our paediatric database (10 with a lipoblastoma and one with a liposarcoma) who had attended our hospital between 1998 and 2019. The median age of patients with lipoblastoma was 29 months. Read More

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Rare mediastinal masses - imaging review.

J Cancer Res Ther 2021 Jan-Mar;17(1):13-21

Department of Radiology, Nizam's Institute of Medical Sciences, Hyderabad, Telangana, India.

Mediastinal masses span a wide histopathological and radiological spectrum. Apart from primary thymic/thyroid masses and lymphomas, all other mediastinal masses can be considered rare tumors. Chest radiography and Computed tomography (CT) are helpful to characterize the mass and can reach a diagnosis or a close differential diagnosis. Read More

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Myxoid liposarcoma: MRI features with histological correlation.

Radiologia (Engl Ed) 2021 Mar 12. Epub 2021 Mar 12.

Unidad de Gestión Clínica de Radiodiagnóstico, Hospital Universitario Virgen del Rocío, Sevilla, España.

Background And Aims: Myxoid liposarcoma is classified in the group of sarcomas with adipose differentiation, which is the second most common group of sarcomas. However, myxoid liposarcoma is not a homogeneous entity, because the behavior and clinical course of these tumors can vary widely. This study aimed to describe the magnetic resonance imaging (MRI) features of myxoid liposarcomas and to determine whether the MRI features are associated with the histologic grade and can differentiate between low-grade and high-grade tumors and thus help in clinical decision making. Read More

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Challenging retrovesical mass in men: report of a rare liposarcoma case with concurrent COVID-19 infection.

BMJ Case Rep 2021 Mar 2;14(3). Epub 2021 Mar 2.

Radiology Department, Mayapada Hospital, DKI Jakarta, Indonesia.

We describe a case of retrovesical liposarcoma in a male patient with concurrent COVID-19. A 50-year-old man had lower urinary tract symptoms and dull pain along his right gluteus. Due to COVID-19 infection, management was delayed. Read More

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Well-differentiated liposarcoma of the spermatic cord: A case report.

Urol Case Rep 2021 May 29;36:101587. Epub 2021 Jan 29.

Department of Urology, Kochi University, Nankoku, Japan.

A 51-year-old man visited our hospital for voluntary cancer screening. Positron emission tomography and computed tomography (PET-CT) incidentally found a mass in the left scrotum. The patient was referred to our department. Read More

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Image-Guided Core Needle Biopsy of Adipocytic Tumors: Diagnostic Accuracy and Concordance With Final Surgical Pathology.

AJR Am J Roentgenol 2021 04 24;216(4):997-1002. Epub 2021 Feb 24.

Department of Radiology, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Boston, MA 02215.

Diagnostic accuracy of core needle biopsy (CNB) for adipocytic tumors can be low because of sampling error from these often large, heterogeneous lesions. The purpose of this study was to evaluate the diagnostic accuracy of image-guided CNB for various adipocytic tumors in comparison with excisional pathology. Adipocytic tumors ( = 77) of all adult patients undergoing image-guided CNB and subsequent surgical excision of an adipocytic tumor at a tertiary referral center between 2005 and 2019 were studied. Read More

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The recurrence of well-differentiated liposarcoma from benign giant intramuscular lipoma: A case (CARE-compliant) report.

Medicine (Baltimore) 2021 Feb;100(6):e24711

Department of Plastic and Reconstructive Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.

Rationale: Recurrent liposarcoma, previously confirmed as lipoma, has rarely been reported. However, the risk factors for recurrence and the correlation between benign lipoma and malignant liposarcoma remain unclear. In this case study, we suggest a precise diagnostic strategy to minimize recurrence and malignant transformation. Read More

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February 2021

Metastatic dedifferentiated liposarcoma invading the pulmonary vein and left atrium: A transesophageal echocardiographic insight.

QJM 2021 Feb 4. Epub 2021 Feb 4.

Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.

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February 2021

Retroperitoneal extra-adrenal myelolipoma misdiagnosed as liposarcoma: A case report.

Radiol Case Rep 2021 Feb 5;16(2):364-368. Epub 2020 Dec 5.

Department of Radiology, University of Missouri Health Care, Columbia, One Hospital Dr., Columbia, MO 65212 USA.

Myelolipomas are rare benign tumors that contain a mix of fatty and hematopoietic tissues. These tumors are frequently seen in the adrenal glands. While extra-adrenal myelolipomas are extremely rare, once identified, they are commonly found in the retroperitoneum--particularly the presacral region. Read More

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February 2021