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)SexSubtypeOrigin of sampleLocationKaryotype

185FATL/WDLPSPrimaryRight thigh47,XX,+gr [8]/47,idem,+10,-13,+grm [3]
271MWDLPSRecurrentRetroperitoneum46,XY,-13,+grm [10]
385MDDLPSPrimaryRetroperitoneum48,XY,del (1) (q31q43),t(13; 16) (q14; q22),+grm,+r [2]
461MDDLPSRecurrentRetroperitoneum49–50,XY,+1-2grm,+3r [cp15]

gr, giant ring; grm, giant rod marker; r, ring.