Case Series
Cytogenomic Characterization of Giant Ring or Rod Marker Chromosome in Four Cases of Well-Differentiated and Dedifferentiated Liposarcoma
Table 1
Pathologic and cytogenetic findings in four cases.
| Case no. | Age (yr) | Sex | Subtype | Origin of sample | Location | Karyotype |
| 1 | 85 | F | ATL/WDLPS | Primary | Right thigh | 47,XX,+gr [8]/47,idem,+10,-13,+grm [3] | 2 | 71 | M | WDLPS | Recurrent | Retroperitoneum | 46,XY,-13,+grm [10] | 3 | 85 | M | DDLPS | Primary | Retroperitoneum | 48,XY,del (1) (q31q43),t(13; 16) (q14; q22),+grm,+r [2] | 4 | 61 | M | DDLPS | Recurrent | Retroperitoneum | 49–50,XY,+1-2grm,+3r [cp15] |
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gr, giant ring; grm, giant rod marker; r, ring. |