[Anesthetic Management of a Patient with Langerhans Cell Histiocytosis during Cesarean section].

Langerhans cell histiocytosis is a rare disease, associated with histiocyte increases, and granuloma, in various organs. About 160 patients are reported in Japan. A pregnant patient with a pulmonary Langerhans cell histiocytosis underwent cesarean section under spinal anesthesia. She had repeated pneumothorax with bilateral pulmonary cysts rapidly becoming worse during pregnancy. She was treated with continuous oxygen after 28 weeks of the pregnancy. On 34 weeks of the pregnancy, spinal anesthesia with 0.5% hyperbaric bupivacaine (2 ml) and fentanyl (25 µg) for cesarean section was performed, and provided excellent analgesia without any side-effects.