Liposarcoma

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain

Presentation

Painless neck progressive swelling.

Patient Data

Age: 45 years
Gender: Male
mri
This study is a stack
Axial T2
fat sat
This study is a stack
Axial
T2
This study is a stack
Sagittal
T2 fat sat
This study is a stack
Sagittal
T1 fat sat
This study is a stack
Sagittal
T2
This study is a stack
Coronal T2
fat sat
This study is a stack
Axial T1
C+ fat sat
This study is a stack
Sagittal T1
C+ fat sat
This study is a stack
Sagittal T1
C+ fat sat
This study is a stack
Coronal T1
C+ fat sat
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Info

 A 44×56×30mm subcutaneous mass with lobulated margin and several internal septations are seen at right posterior aspect of the lower neck.
The mass shows fat signal intensity on all pulse sequences.
There is no sign of local invasion to adjacent muscular structures. 
After contrast media administration, the mass shows mild heterogeneous enhancement.

Case Discussion

Path proven cervical liposarcoma, which is malignant tumor of fatty tissue and is the malignant counterpart to a benign lipoma. Liposarcoma is the second most common type of soft-tissue sarcoma.

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