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Table 1 Parameters for DeHCA score calculation

From: Optical imaging of the breast: evaluation of deoxyhemoglobin concentration alteration in 166 patients with suspicious breast lesions

Parameter State Score Acronym
Focality description Absent 0 FOC1
Present 1
Blue nipple Yes 0 BN
No 1
Stability/mobility of focality (Epicenter) Mobile 0 EPI
Stable 1
Diffusion/sharpness of the focal area Diffuse 0 FOC2
Intermediate 0.95
Sharp 1
Focal area/total area Area > 20% 0 AR
10% < Area < 20% 0.85
Area < 10% 1
Bilaterality Yes 0 BIL
No 1
Similarity Yes 0.8 SIM
No 1
Appearance time (t) t > 15 0.85 TEMP
10 < t ≤ 15 0.92
t ≤ 10 1
DeHCA score = FOC1 × BN × EPI × FOC2 × AR × BIL × SIM × TEMP 0 < score < 0.8 (low risk)
0.8 < score < 0.9 (intermediate risk)
0.9 < score < 1 (high risk)
  1. AR focal area size, BIL bilaterality, BN Blue nipple, EPI stability/mobility of the focal area related to the epicenter, FOC1 focality description, FOC2 sharpness of the focal area, SIM presence of similar/dissimilar areas, TEMP time of appearance