Radiation recall pneumonitis induced by gemcitabine.

BACKGROUND: Radiation recall pneumonitis describes a very rare reaction in a previously irradiated area of pulmonary tissue after application of pharmacological agents. A case of recall pneumonitis induced by gemcitabine is reported. CASE REPORT: A 64-year-old female patient with metastasized esophageal carcinoma received simultaneous chemoradiotherapy of the upper mediastinum with 50.4 Gy and cisplatin/5-fluorouracil. 8 months later she was scheduled for salvage chemotherapy with gemcitabine (1,000 mg/m(2) days 1 and 8) and docetaxel (75 mg/m(2) day 8) due to locally progressive disease. After having received gemcitabine on day 1 of the second course, the patient developed dry cough, subfebrile temperatures and dyspnea within 48 h. A CT of the thorax revealed newly developed bilateral pulmonary ground-glass opacity corresponding to the previous radiation fields. Chemotherapy was stopped and systemic application of prednisolone was initiated. 2 months later symptoms had resolved with a control CT of the thorax showing complete regression of the pulmonary changes.
CONCLUSION: Gemcitabine-induced recall pneumonitis is a rarely reported phenomenon and should be taken into account even after extended time interval to the previous radiotherapy.