Osimertinib for Epidermal Growth Factor Receptor Mutation–Positive Lung Adenocarcinoma That Transformed to T790M-Positive Squamous Cell Carcinoma Naoyuki Okabe, MD, PhD, Hironori Takagi, MD Journal of Thoracic Oncology Volume 12, Issue 10, Pages e167-e169 (October 2017) DOI: 10.1016/j.jtho.2017.06.071 Copyright © 2017 International Association for the Study of Lung Cancer Terms and Conditions
Figure 1 Clinical course and treatments, chest computed tomography (CT) and positron emission tomography (PET)-CT. (A) CT image before erlotinib administration. (B) Chest CT image 3 months after initiation of erlotinib. (C) Chest CT image 12 months after initiation of erlotinib. (D) CT-guided biopsy of the lung tumor at time of progression. (E) Chest CT image 3 months after initiation of osimertnib. (F) PET-CT image 12 months after initiation of erlotinib. (G) PET-CT image 3 months after initiation of osimertnib. Journal of Thoracic Oncology 2017 12, e167-e169DOI: (10.1016/j.jtho.2017.06.071) Copyright © 2017 International Association for the Study of Lung Cancer Terms and Conditions
Figure 2 Lung biopsy specimens. (A) Pre–erlotinib treatment first biopsy specimen stained with Papanicolaou stain. (B) Second biopsy specimen stained with hematoxylin and eosin. (C) Second biopsy specimen stained with P40 stain. (D) Second biopsy specimen stained with thyroid transcription factor 1. Journal of Thoracic Oncology 2017 12, e167-e169DOI: (10.1016/j.jtho.2017.06.071) Copyright © 2017 International Association for the Study of Lung Cancer Terms and Conditions