Case Site Epi or
Conv
FISH for EGFR FISH for MET AKT ckit Vascular Markers Cyto- Ki67
Ratio %Hyper %Mono Ratio %Hyper %Mono keratins
1 Soft tissue met Epi 1 0   1.01 16.60%   M,D + Neg CD31 F+; CD34 F+; Ulex- panCK-; CAM5.2- 10-50%
2 Penis Epi 1.03 1.60%   1.03 0   S,D + Neg CD31 +; CD34 -; Ulex+; FVIII+ CAM5.2 focal +; panCK focal + 10-50%
Tibia Decalcified specimen –FISH not done Decalcified specimen – FISH not done >50%
3 AbdosubQ Epi 1.71 1.60% 52.50% 1.13 16.60%   S,D + Neg CD31 F+ CD34 F+; D2-40 F+ panCK- 10-50%
4 Native Kidney Conv 1.01 13.30%   1.03 10%   W,F+ Neg CD31+; CD34+; FVIII panCK- <10%
5 LE Epi 1 4.60%   1.18 3%   M,D + Neg CD31+; CD34-; D2-40-; FVIII- AE1/3+ <10%
6 AbdosubQ (1°); Conv 0.99 24.60%   Not done     W,D + Neg CD31+; CD34+; D2-40-; FVIII+ AE1/3- 10-50%
LE (recur) 1.07 30.30%   0.96 10%   M,D + Neg Not done 10-50%
7 Scalp Conv 1.09 25.40%   1.02 59.30%   M,D + Neg CD31+; CD34-; FVIII+ panCK- >50%
8 Scalp (1°); Epi 0.96 5.00%   1.16 16.60%   Not done Neg CD31 F+; CD34 F+; FVIII+; Ulex+ panCK- >50%
Scalp (recur) Conv 1 0   Not done     M,D + Neg CD31+, CD34+, FVIII+ Not done >50%
9 LE (1°); Epi 1.06 3.30% 50.80% 0.93 0   S,D + Neg CD31 F+; CD34 F+; FVIII+ AE1/3+ 10-50%
LE (recur) 1.02 0   Not done     M, D + Neg
10 LE (1°) Epi 1.02 3.30%   1 0   S,D + Neg CD31+; CD34 F+; Ulex+; panCK- <10%
11 Breast Conv 1.03 3.30%   0.98 6%   M,D + Neg CD31+; CD34+; Ulex+ AE1/3- >50%
12 Scalp (1°) Conv 1.04 36.10%   0.93 0   S,D + Neg CD31+; CD34+; FVIII+ panCK- <10%
Scalp (recur) 1.01 0   Not done     M,D + Neg CD31+; CD34+; FVIII+ panCK- <10%
13 Scalp (1°) Conv 1.02 0 50.00% 0.93 0   M,F + Neg CD31+; CD34+; FVIII+; D2-40+ panCK- 10-50%
14 Cheek mucosa (1°) Conv 1.08 11.90%   0.95 0   W,F + Neg CD31+, CD34+; FVIII+; D2-40+ panCK- <10%
15 LE (1°) Epi 1.02 45.00%   0.98 16.60%   W,D + Neg CD31+; CD34-; FVIII focal + panCK-; AE1/3- 10-50%
Epi=Epithelioid; Conv=Conventional; IHC=immunohistochemistry results; + = positive; - = negative; W = weak; M = moderate; S = strong; F = focal, D = diffuse; neg – negative; FVIII – Factor VIII; panCK = pancytokeratin; AE1/3 = cytokeratin AE1/3; 1° – primary; subQ – subcutaneous tissue; recur – recurrence; LE – lower extremity; UE – upper extremity; met – metastases; Abdo - abdomen
Table 3: Immunohistochemistry Results and FISH for EGFR and MET in 15 patients with Angiosarcoma.