Figure 2From: Atypical response to erlotinib in a patient with metastatic lung adenocarcinoma: a case report Computed tomography scan of the neck. (A) revealing C2 osteolysis as indicated by the arrow. (B) showing osteocondensation (as indicated by the arrow) in the location of the initial lysis of the C2 vertebrae after 2 months of treatment with erlotinib.Back to article page