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Ri=TAN(Rj) Ri=ACOS(Rj) Ri=COS(Rj) Ri=SIN(Rj)
30×ι2/(πRI0) 60×ι2/(πRI0) 90×ι2/(πRI0) 180×ι2/(πRI0)
血流不丰富,RI>0.4 血流丰富,RI<0.4 血流不丰富,RI>0.7 血流丰富,RI<0.7 血流丰富,RI>0.7
血流丰富,RI<0.4 血流丰富,RI<0.7 血流不丰富,RI>0.4 血流丰富,RI>0.7
血流丰富,RI<0.4 血流丰富,RI<0.7 血流不丰富,RI>0.7@.D.血流不丰富,RI>0.4 血流丰富,RI>0.7
FcγRI2/CD32 FcγRI3/CD16 FcγRI1/CD64 FcαR/CD89 FcεRI1/CD23
FcγRI2 FcγRI3 FcγRI1 FcεR FCαR
Sa2≤0.2Ri+0.1h Sa2≥0.2Ri+0.1(h+A/) Sa2≥β'[0.2Ri+0.1(h+A/)] Sa2≥0.3β'Ri
FcγRI3 FcγRI2-A FcεRI1 FcγRI2-B FcγRI1
血流丰富,RI<0.4 血流丰富,RI<0.7 血流不丰富,RI>0.7 血流不丰富,RI>0.4 血流丰富,RI>0.7
血流丰富,RI<0.4 血流丰富,RI<0.7 血流不丰富,RI>0.4 血流丰富,RI>0.7 血流不丰富,RI>0.7
血流不丰富,RI>0.4 血流丰富,RI<0.4 血流不丰富,RI>0.7 血流丰富,RI<0.7 血流丰富,RI>0.7
FcεRI2 FcγRI FcεRI FcγRI2 FcγRI3
Ri1+Ri2+Ri3 Ri1×Ri2×Ri3 Ri1 Ri3