Table 2

Histopathological results of orbital granulocytic sarcoma cases

Case	Gran diff	Leder stain	Lysozyme stain	MAC387 stain
1	Yes	Pos	Pos	Pos
2	No	Pos	Neg	Pos
3	No	Neg	Neg	Pos
4	No	Pos	Pos	Pos
5	No	Pos	Pos	Pos
6	No	Pos	Pos	Pos
7	Yes	Pos	Pos	Pos
Total	2/7 (29%)	6/7 (86%)	5/7 (71%)	7/7 (100%)

↵Granulocytic differentiation is based on the presence or absence of cytoplasmic eosinophilic granules in haematoxylin and eosin stained preparations.
↵Case 3 initially had no marker of granulocytic sarcoma but 3 months after initial presentation developed systemic manifestations of AML.