Table 4.
Differences between luminal A and luminal B ILC type.
| Demographic data | ||||||||||||||||
| Luminal A (Lum A) | Luminal B (Lum B) | |||||||||||||||
| Patients count | 97 | 63 | ||||||||||||||
| Patients age (min/max/average) | 46/91/66 | 32/94/64.5 | ||||||||||||||
| General data | ||||||||||||||||
| Size distribution (feature T) in various methods | T1size < 2 (cm) | T22 (cm) ≤ size < 5 (cm) | T3size ≥ 5 (cm) | Total cases | Grading (feature G) | Lum A | Lum B | |||||||||
| Lum A | MRI | 22 | 45 | 30 | 97 | G1 | 6 | 6 | ||||||||
| MMG | 78 | 16 | 3 | G2 | 89 | 52 | ||||||||||
| US | 45 | 46 | 6 | G3 | 2 | 5 | ||||||||||
| Lum B | MRI | 14 | 28 | 21 | 63 | |||||||||||
| MMG | 40 | 19 | 4 | |||||||||||||
| US | 25 | 35 | 3 | Total cases | 97 | 63 | ||||||||||
| MRI: mass | MRI: non-mass enhancement (NME) | MRI: other | ||||||||||||||
| Lum A | Lum B | Lum A | Lum B | Lum A | Lum B | |||||||||||
| Shape | Distribution | Architectural distortion | ||||||||||||||
| Oval | 6 | 2 | Focal | 11 | 7 | None | 89 | 55 | ||||||||
| Round | 3 | 1 | Linear | 3 | 1 | Present | 8 | 8 | ||||||||
| Irregular | 56 | 43 | Segmental | 4 | 2 | FGT | ||||||||||
| Margin | Regional | 3 | 1 | Fat | 14 | 6 | ||||||||||
| Circumscribed | 6 | 2 | Multiple regions | 11 | 6 | Scattered | 49 | 35 | ||||||||
| Not circumscribed | 58 | 43 | Diffuse | 0 | 0 | Heterogeneous | 26 | 16 | ||||||||
| Spicular | 1 | 1 | Enhancement | Extreme | 8 | 6 | ||||||||||
| Enhancement | Homogeneous | 4 | 4 | BPE | ||||||||||||
| Homogeneous | 22 | 5 | Heterogeneous | 15 | 7 | Minimal | 49 | 28 | ||||||||
| Heterogeneous | 43 | 41 | Clumped | 10 | 5 | Mild | 21 | 18 | ||||||||
| Kinetic curve (delayed phase) | Clustered ring | 3 | 1 | Moderate | 19 | 15 | ||||||||||
| Persistent | 15 | 3 | Kinetic curve (delayed phase) | Marked | 8 | 2 | ||||||||||
| Plateau | 17 | 16 | Persistent | 6 | 2 | |||||||||||
| Washout | 33 | 27 | Plateau | 6 | 2 | |||||||||||
| Washout | 18 | 13 | ||||||||||||||
| Mammography (MMG) | Ultrasonography (US) | |||||||||||||||
| Lum A | Lum B | Lum A | Lum B | |||||||||||||
| Calcifications | Margin | |||||||||||||||
| None | 78 | 48 | Circumscribed | 1 | 2 | |||||||||||
| Present | 19 | 15 | Not circumscribed | 88 | 57 | |||||||||||
| Architectural distortion | Irregular | 4 | 1 | |||||||||||||
| None | 77 | 50 | Spicular | 0 | 0 | |||||||||||
| Present | 20 | 13 | Lymph nodes | |||||||||||||
| Lymph nodes | Normal | 86 | 54 | |||||||||||||
| Normal | 94 | 58 | Abnormal | 11 | 9 | |||||||||||
| Abnormal | 3 | 5 | Findings | |||||||||||||
| Findings | Mass | 85 | 57 | |||||||||||||
| Mass | 29 | 25 | Region | 11 | 6 | |||||||||||
| Asymm. density | 11 | 9 | ||||||||||||||
| Size and diffusion statistics | ||||||||||||||||
| Characteristic | Total cases | Average | Median | Min | Max | Low | Up | Std Dev | ||||||||
| mass MRI | Mass size (cm) | Lum A | 65 | 3.41 | 2.80 | 0.50 | 9.80 | 1.80 | 4.50 | 2.31 | ||||||
| Lum B | 46 | 3.66 | 3.10 | 0.60 | 12.20 | 1.80 | 4.40 | 2.68 | ||||||||
| Mass ADC[10−3 mm2/s] | Lum A | 65 | 0.73 | 0.70 | 0.30 | 1.20 | 0.60 | 0.80 | 0.17 | |||||||
| Lum B | 46 | 0.76 | 0.75 | 0.40 | 2.00 | 0.60 | 0.90 | 0.28 | ||||||||
| NME MRI | NME size (cm) | Lum A | 32 | 5.82 | 5.55 | 2.00 | 11.00 | 3.60 | 8.05 | 2.60 | ||||||
| Lum B | 17 | 6.24 | 7.10 | 1.50 | 9.00 | 4.40 | 8.30 | 2.35 | ||||||||
| NME ADC[10−3 mm2/s] | Lum A | 32 | 0.74 | 0.72 | 0.00 | 1.20 | 0.60 | 0.87 | 0.24 | |||||||
| Lum B | 17 | 0.68 | 0.70 | 0.30 | 1.20 | 0.50 | 0.70 | 0.23 | ||||||||
| MMG | Mass size (cm) | Lum A | 29 | 1.65 | 1.10 | 0.10 | 8.40 | 0.50 | 2.20 | 1.73 | ||||||
| Lum B | 25 | 3.03 | 2.50 | 0.10 | 8.40 | 1.50 | 4.50 | 1.98 | ||||||||
| asymmetric density size (cm) | Lum A | 11 | 1.52 | 0.80 | 0.10 | 6.70 | 0.20 | 1.60 | 1.99 | |||||||
| Lum B | 9 | 1.48 | 1.10 | 0.20 | 4.40 | 0.30 | 1.60 | 1.51 | ||||||||
| US | mass size (cm) | Lum A | 85 | 2.13 | 2.10 | 0.10 | 8.40 | 1.10 | 2.70 | 1.51 | ||||||
| Lum B | 57 | 2.46 | 2.30 | 0.20 | 6.40 | 1.20 | 3.30 | 1.53 | ||||||||
| region size (cm) | Lum A | 11 | 2.85 | 2.80 | 0.10 | 5.60 | 2.20 | 3.70 | 1.59 | |||||||
| Lum B | 6 | 2.90 | 1.95 | 0.10 | 8.70 | 1.30 | 3.40 | 3.05 | ||||||||