Radiologically and Histologically Mixed Liposarcoma: a Report of Two Biphasic Cases

We report two cases of liposarcomas showing biphasic patterns, radiologically and histologically. The first case was a 52-year-old man with a 17 × 12 cm intramuscular tumor in the right thigh. MR imaging revealed a mass composed of two components: a fat component and another soft tissue component. H...

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Bibliographic Details
Published in:Japanese journal of clinical oncology 2003-09, Vol.33 (9), p.482-485
Main Authors: Irie, Taichi, Hatori, Masahito, Watanabe, Mika, Ehara, Shigeru, Kokubun, Syoichi
Format: Article
Language:English
Subjects:
Diagnosis, Differential
Humans
Key words: mixed-type liposarcoma – biphasic pattern – magnetic resonance imaging – pathology
Liposarcoma - diagnosis
Liposarcoma - pathology
Liposarcoma, Myxoid - diagnosis
Liposarcoma, Myxoid - pathology
Magnetic Resonance Imaging
Male
Middle Aged
Muscle Neoplasms - diagnosis
Muscle Neoplasms - pathology
Soft Tissue Neoplasms - diagnosis
Soft Tissue Neoplasms - pathology
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Summary:We report two cases of liposarcomas showing biphasic patterns, radiologically and histologically. The first case was a 52-year-old man with a 17 × 12 cm intramuscular tumor in the right thigh. MR imaging revealed a mass composed of two components: a fat component and another soft tissue component. Histological diagnosis revealed mixed-type liposarcoma consisting of well-differentiated and myxoid liposarcoma. The second case was a 62-year-old man with a 22 × 15 cm intramuscular tumor in the left calf. MR imaging showed a mass composed of fat and non-fat components. The histological diagnosis was well-differentiated and pleomorphic liposarcoma.
ISSN:0368-2811
1465-3621
1465-3621
DOI:10.1093/jjco/hyg088