We herein report a case of bilateral frontal horn cysts. The infant was delivered with a low birth weight (1,710g) at 31 weeks, 0 days by emergency Cesarean section. She was severely asphyxiated and exhibited respiratory distress syndrome. Surfactant was administered, and mechanical ventilation was required until 21 days of age. Brain computed tomography (CT) at 45 days of age revealed bilateral cysts adjacent to the frontal horns of the lateral ventricles. Her growth and development were normal. At 1 and a half- years of age, she underwent brain CT again and the above-mentioned cystic abnormality had disappeared. No dilatation or irregularity of the lateral ventricles was found. Normal development and transient abnormal cystic findings in brain CT suggested a diagnosis of frontal horn cysts. Frontal horn cysts should be considered as the causes of cystic lesions of the brain.
A 31-year-old woman presented to our hospital because of a lump 5cm in diameter in her right breast. Ultrasonography revealed a multilocular cystic mass with partial thickening of the wall and the septum. Core needle biopsy (CNB) of the septum confirmed invasive ductal carcinoma. The patient was administered neoadjuvant chemotherapy consisting of 12 cycles of weekly paclitaxel followed by 4 cycles of FEC (5FU, Epilubicin and cyclophosphamide). While the thickness of the wall and septum became thinner, the tumor size did not change in diameter. She underwent right mastectomy and sentinel node biopsy. Post-surgical histopathological findings showed a pathological complete response (pCR). We report a rare case of invasive ductal carcinoma presenting a multilobular phenotype which showed pCR by neoadjuvant chemotherapy despite no size reduction of the tumor.