Clinicopathologic and Imaging Features of Non-Small-Cell Lung Cancer with MET Exon 14 Skipping Mutations
Abstract
:1. Introduction
2. Results
2.1. Clinicopathologic Characteristics
2.2. Imaging Features of the Primary Tumor
2.3. Metastatic Patterns
3. Discussion
4. Materials and Methods
4.1. Patient Identification and Selection
4.2. Molecular Testing
4.3. Imaging Protocol and Image Analysis
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Clinical Characteristics | ||
---|---|---|
Age | ||
Mean, SD (in years) | 71.4 | 10 |
Median, range (in years) | 72.5 | 43–89 |
Sex | n | % |
F (%) | 52 | 61.9 |
M (%) | 32 | 38.1 |
Smoking status | ||
Never | 37 | 44.0 |
Current/Previous | 47 | 56.0 |
Stage | ||
I | 34 | 40.5 |
II | 9 | 10.7 |
IIIA | 5 | 6.0 |
IIIB | 2 | 2.4 |
IV | 34 | 40.5 |
Histology | ||
Adenocarcinoma | 72 | 85.7 |
Squamous | 6 | 7.1 |
Sarcomatoid carcinoma | 3 | 3.6 |
Others | 3 | 3.6 |
Tumor Imaging Features | ||
---|---|---|
Size | ||
Mean, SD (in mm) | 40.8 | 21.4 |
Median, range (in mm) | 34.5 | 10–109 |
Size | n | % |
Mass (>3 cm) | 53 | 63.1 |
Nodule (≤3 cm) | 31 | 36.9 |
Lobar location | ||
RUL | 38 | 45.2 |
RML | 4 | 4.8 |
RLL | 10 | 11.9 |
LUL | 17 | 20.2 |
LLL | 15 | 17.9 |
Lobar location | ||
Upper/Middle | 59 | 70.2 |
Lower | 25 | 29.8 |
Axial location | ||
Peripheral | 62 | 73.8 |
Central | 22 | 26.2 |
Density | ||
Solid | 57 | 67.9 |
Part-solid | 21 | 25.0 |
Pure ground-glass | 6 | 7.1 |
Margin | ||
Smooth | 9 | 10.7 |
Lobulated | 53 | 63.1 |
Spiculated | 22 | 26.2 |
Other Tumor features | ||
Air bronchograms | 3 | 3.6 |
Cavitation | 4 | 4.8 |
Cystic component | 4 | 4.8 |
Calcification | 0 | 0.0 |
Multifocal | 19 | 22.6 |
Metastatic Site | n | % |
---|---|---|
Nodal metastasis | ||
Ipsilateral hilar | 29 | 85.3 |
Ipsilateral mediastinal | 19 | 55.9 |
Contralateral hilar/mediastinal | 12 | 35.3 |
Supraclavicular | 7 | 20.6 |
Intrathoracic metastasis | 13 | 38.2 |
Lung | 5 | 14.7 |
Lymphangitic carcinomatosis | 4 | 11.8 |
Pleural | 10 | 29.4 |
Pericardial | 2 | 5.9 |
Extrathoracic Metastasis | 28 | 82.4 |
Adrenal | 7 | 20.6 |
Liver | 3 | 8.8 |
Gastric | 2 | 5.9 |
Splenic | 0 | 0.0 |
Bone (Lytic) | 14 | 41.2 |
Brain | 7 | 20.6 |
Soft tissue | 1 | 2.9 |
Distant lymph node | 4 | 11.8 |
Metastatic Distribution | ||
Intrathoracic only | 1 | 2.9 |
Extrathoracic only | 23 | 67.6 |
Intra- and extrathoracic | 10 | 29.4 |
Number of sites | ||
One | 4 | 11.8 |
Two or more | 30 | 88.2 |
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Digumarthy, S.R.; Mendoza, D.P.; Zhang, E.W.; Lennerz, J.K.; Heist, R.S. Clinicopathologic and Imaging Features of Non-Small-Cell Lung Cancer with MET Exon 14 Skipping Mutations. Cancers 2019, 11, 2033. https://doi.org/10.3390/cancers11122033
Digumarthy SR, Mendoza DP, Zhang EW, Lennerz JK, Heist RS. Clinicopathologic and Imaging Features of Non-Small-Cell Lung Cancer with MET Exon 14 Skipping Mutations. Cancers. 2019; 11(12):2033. https://doi.org/10.3390/cancers11122033
Chicago/Turabian StyleDigumarthy, Subba R., Dexter P. Mendoza, Eric W. Zhang, Jochen K. Lennerz, and Rebecca S. Heist. 2019. "Clinicopathologic and Imaging Features of Non-Small-Cell Lung Cancer with MET Exon 14 Skipping Mutations" Cancers 11, no. 12: 2033. https://doi.org/10.3390/cancers11122033
APA StyleDigumarthy, S. R., Mendoza, D. P., Zhang, E. W., Lennerz, J. K., & Heist, R. S. (2019). Clinicopathologic and Imaging Features of Non-Small-Cell Lung Cancer with MET Exon 14 Skipping Mutations. Cancers, 11(12), 2033. https://doi.org/10.3390/cancers11122033