(1) Distinguishing seasonal influenza virus pneumonia with S. pneumoniae pneumonia is important. (2) The CT findings of GGA and crazy-paving appearance were more frequently found in patients with influenza virus pneumonia than in patients with S. pneumoniae pneumonia, whereas consolidation, mucoid impaction, centrilobular nodules and pleural effusion were more frequently found in patients with S. pneumoniae pneumonia.

Distinguishing Pseudomonas aeruginosa pneumonia from Cytomegalovirus pneumonia is important. Characteristic features of underlying conditions are present in each pneumonia species. Bronchial wall thickening and cavities are more frequent in Pseudomonas aeruginosa pneumonia. Nodules and a crazy-paving appearance are more frequent in Cytomegalovirus pneumonia.

We here report three cases of choroidal metastases with ocular pain and visual symptoms treated with palliative irradiation. Case 1: A 71-year-old woman was treated with chemotherapy for multiple metastases after surgery for right breast cancer. Sixteen years after surgery, a right choroidal metastasis with ocular pain and visual disturbance was detected. Palliative irradiation to this lesion achieved reduction in ocular pain and shrank the tumor. Case 2: A 54-year-old man presented with right ocular pain and abnormal vision and was diagnosed as having right lung cancer with multiple systemic metastases. Palliative irradiation to a right choroidal metastasis achieved reduction in ocular pain and shrank the tumor. Case 3: A 71-year-old woman developed left eye pain 17 months after surgery for lung cancer in the right upper lobe. She was diagnosed as having a left choroidal metastasis. After palliative irradiation, the tumor shrank and the left eye pain temporarily resolved. Palliative radiation therapy for choroidal metastasis with ocular pain and visual symptoms seems to be e ective in improving symptoms.