Atypical lipomatous tumour of the head and neck region with dyspnea and dysphagia: a case report

Acar, Gül Özbilen; Cansız, Harun; Acıoğlu, Engin; Yagiz, Cengiz; Dervışoğlu, Sergülen

doi:10.1007/s00405-007-0278-0

Cited by 5 publications

(6 citation statements)

References 11 publications

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“…The signal intensity in fatty tissue within well-differentiated liposarcomas is the same as that in subcutaneous fat on T1-weighted MR images. Septa and other nonlipomatous elements show signal that is hypointense or isointense relative to that in muscle on T1-weighted MR images and hyperintense relative to that in muscle on T2-weighted MR images; these elements may enhance after the administration of contrast material (35).…”

Section: Atypical Lipomatous Tumor (Well-differentiated Liposarcoma)mentioning

confidence: 98%

“…In most pleomorphic liposarcomas, adipose tissue accounts for more than 25% of the tissue volume. Adipose material, when present in liposarcomas, may be nodular, finely reticulated, or amorphous (6,35,36). shows that most of the mass has signal hyperintense relative to that in muscle but hypointense relative to that in subcutaneous fat, with the exception of a small lobule in the superior portion of the tumor (arrow).…”

Section: Lipomatosismentioning

confidence: 99%

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Soft Tissue Tumors of the Head and Neck: Imaging-based Review of the WHO Classification

Razek

Huang²

2011

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The World Health Organization (WHO) system for defining and classifying soft tissue tumors is usually applied to lesions that occur in the trunk and extremities, but it also provides an excellent framework for characterizing nonepithelial extraskeletal tumors of the head and neck. Although nonepithelial extraskeletal tumors are in the minority among head and neck lesions, they are by no means rare. The WHO classification system recognizes nine major types based on histologic differentiation: adipocytic, fibroblastic or myofibroblastic, fibrohistiocytic, smooth muscle, skeletal muscle, vascular, pericytic, and chondro-osseous tumors, as well as soft tissue tumors of uncertain differentiation. Tumors of each histologic type may be further subclassified on the basis of their biologic behavior as benign, intermediate (ie, having malignant potential), or malignant. Imaging plays an important role in the noninvasive diagnosis and characterization of nonepithelial soft tissue tumors of the head and neck, providing clues about tumor grade, composition, extent, and involvement of adjacent structures. Although the imaging characteristics of many such tumors are nonspecific, consideration of the clinical history in concert with the imaging findings may help limit the differential diagnosis or even allow reliable diagnosis of some of these tumors.

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Section: Atypical Lipomatous Tumor (Well-differentiated Liposarcoma)mentioning

confidence: 98%

Section: Lipomatosismentioning

confidence: 99%

Soft Tissue Tumors of the Head and Neck: Imaging-based Review of the WHO Classification

Razek

Huang²

2011

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126

108

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“…A small number of these cases were atypical lipomatous tumor. 4,5 According to our knowledge, a neck liposarcoma with such a large size has not yet been reported previously. Diameters exceeding 20 cm are often found in the retroperitoneal lesions.…”

Section: Discussionmentioning

confidence: 88%

“…5 Most liposarcomas are found in the extremities and retroperitoneum; however, the incidence of head and neck liposarcoma is rare. Liposarcoma of the head and neck region represents approximately 1% of head and neck sarcomas.…”

Section: Discussionmentioning

confidence: 99%

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Giant Atypical Lipomatous Tumor/Well-Differentiated Liposarcoma of the Neck

Buluş¹,

Günbey²,

Şimşek³

et al. 2011

Journal of Craniofacial Surgery

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Liposarcoma of the head and neck represents approximately 1% of head and neck sarcomas. Atypical lipomatous tumor/well-differentiated liposarcoma rarely occurs in the neck. The size of the neck liposarcomas rarely exceeds 10 cm during presentation. Surgical excision is the treatment of choice for liposarcomas. We report a very unusual size, which has not been reported to our knowledge, of an atypical lipomatous tumor of the neck, reaching a size of 25 × 22 cm. The patient underwent complete resection of the lesion without morbidity. Three months after the surgery, the patient is free of recurrence.

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