LONG-TERM SURVIVAL IN METASTATIC SMALL
Transcrição
LONG-TERM SURVIVAL IN METASTATIC SMALL
UNIVERSITÄTSKLINIKUM Schleswig-Holstein Klinik für Radioonkologie LONG-TERM SURVIVAL IN METASTATIC SMALL-CELL LUNG CANCER (SCLC). A Case Report. Gruen A1 Schultze J1, Kimmig B1 1Klinik für Strahlentherapie (Radioonkologie) Universitätsklinikum Schleswig-Holstein Campus Kiel Kiel DEGRO 2009 Bremen P 96 UNIVERSITÄTSKLINIKUM Schleswig-Holstein Klinik für Radioonkologie Background: Metastatic small-cell lung cancer (SCLC) has a poor prognosis. NCI SEER statistics review 1975-2004 estimates the 5 year relative survival rates for distant metastatic SCLC in white males aged 65 – 74 years at 3.9%, for distant metastatic disease independent of age at 1.4%. Good performance status, surgical resectability, chemotherapy and adjuvant whole brain radiation therapy (WBRT) as well as normal LDH-values (Albain et al.) are among the predictors for prolonged survival. Multiple bilateral brain-metastases are deemed as a poor prognostic indicator (Hall, 2000). A poor overall performance status, an age older than 63 years at time of diagnosis and a high Chromogranin A (CgA) level especially in patients receiving conventional chemotherapy consisting of cisplatin- and etoposid-based combinations are independent predictors of poor prognosis (Pujol, 2003). The shortest survival time allowing prediction of significant risk-reduction of recurrence or death from SCLC is 3 years (Lewinski et al.) DEGRO 2009 Bremen P 96 UNIVERSITÄTSKLINIKUM Schleswig-Holstein Klinik für Radioonkologie Patient/ Methods: We report of a 69 year old male with a 6 year history of distant metastatic small cell lung cancer (SCLC). At age 65 the patient was diagnosed with a 2cm SCLC in the left lower lung lobe. Mediastinal lymphomas up to 5cm in size were found near the ipsilateral hilus, subcarinally and paratracheally. Diagnosis was veridfied by endoscopic biopsy. The tumor was weakly positive for Kl1. CD45 and chromogranin were negative. MRI scan of the brain showed two small bilateral metastases. A bone scan showed no sign of further metastatic disease. LDH-levels were only mildly elevated. There was no known history of granulomatous lung disease. The patient received neoadjuvant chemotherapy consisting of 6 cycles of carboplatin/ etoposide followed by conventional radiotherapy with 50 Gy to the mediastinum with 2 Gy per fraction (fig. 1) and a whole-brain radiation therapy (WBRT) with 40 Gy in 2 Gy fractions. Figure 1 DEGRO 2009 Bremen P 96 UNIVERSITÄTSKLINIKUM Schleswig-Holstein Klinik für Radioonkologie Patient/ Methods (continued): The patient showed a good overall performance status throughout the whole therapy. Results: CT- and MRI-based restaging of the chest and brain after induction chemotherapy showed good response with regression in both the mediastinal lymphomas and the brain lesions. A bone scan showed no sign of further metastatic disease. Since the overall performance status was good the patient could be kept as an outpatient throughout the whole therapy. Today after 6 years of follow-up the patient has a good overall performance status showing no signs of recurrent or progressive disease. DEGRO 2009 Bremen P 96 UNIVERSITÄTSKLINIKUM Schleswig-Holstein Klinik für Radioonkologie Conclusion: Although diagnosed with poor-prognosis systemically advanced small-cell lung cancer (SCLC) the patient presented in this report is doing fine six years after diagnosis with no sign of residual or progressive disease. On the one hand these rare cases are important in giving newly diagnosed patients hope and strength to go through a long and often strenuous treatment. On the other hand cases like these demonstrate the need for finding further valid prognostic indicators of survival in small-cell lung cancer. Literature: 1. Albain KS, Crowley JJ, Livingston RB (1991) Long-term survival and toxicity in small cell lung cancer. Expanded Southwest Oncology Group experience. 2.Hall WA, Djalilian HR, Nussbaum ES, Cho KH (2000) Long-term survival with metastatic cancer to the brain. Med Oncol 17: 279-286. 3. Lewinski T, Zulawski M (2003) Small cell lung cancer survival: 3 years as a minimum for predicting a favorable outcome. 4. NCI SEER Statistics Review 1975 – 2004. 5. Pujol JL, Quantin X, Jacot W, Boher JM, Grenier J, Lamy PJ (2003) Neuroendocrine and serum markers as prognostic determinants of small cell lung cancer. DEGRO 2009 Bremen P 96