CD99 and dengue disease: Our specimen was positive for Vimentin, SMA and CD10 and negative for S100, CK516, CD31, CD34, HHV8, CK, Desmin, CD45, Melan A, BCL2, CD99, and H Caldesmon, closely aligning with the typical profile seen in cellular DF cases, particularly with positive results for Vimentin and negative results for S100, Desmin, CD34, and CD31.