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Seung Yeon Ha



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    P2.09 - Pathology (Not CME Accredited Session) (ID 958)

    • Event: WCLC 2018
    • Type: Poster Viewing in the Exhibit Hall
    • Track:
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/25/2018, 16:45 - 18:00, Exhibit Hall
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      P2.09-18 - A Clinicopathologic Analysis of Pulmonary Sclerosing Pneumocytoma in Korea : A Muticenter Study (ID 12546)

      16:45 - 18:00  |  Author(s): Seung Yeon Ha

      • Abstract
      • Slides

      Background

      Sclerosing pneumocytoma is a rare benign pulmonary neoplasm, which in Asia, most commonly occurs in middle-aged women. Because of the rarity of this disease, no data is available on its nationwide incidence or clinical characteristics. This nationwide survey was conducted by the Korean Cardiopulmonary Pathology Study Group to document the incidence and clinical characteristics of sclerosing pneumocytoma in a Korean population.

      a9ded1e5ce5d75814730bb4caaf49419 Method

      A total of 220 cases of sclerosing pneumocytoma diagnosed at 15 tertiary medical centers in Korea during the period 1994 to 2012 were collected and retrospectively studied. Clinical parameters evaluated were sex, age at diagnosis, tumor size, tumor location, surgical procedure type, status of lymph node metastasis, and distant metastasis.

      4c3880bb027f159e801041b1021e88e8 Result

      The female to male ratio was 7.15:1, and the tumor occurrence rate in middle or lower lobes was significantly higher than that in upper lobes (P < 0.001). The peak incidence rate appeared to occur in the sixth decade of life. Tumor was located in right lung in 121 cases and in left lung in 96 cases (43.6%). The mean tumor size in female patients (2.63 cm) was significantly larger than in male patients (2.19 cm) (P = 0.037). In 2 cases (0.9%) metastatic tumors were found in regional lymph nodes, and one case (0.5%) showed metastatic lymph nodes and distant metastasis in a lumbar vertebra.

      8eea62084ca7e541d918e823422bd82e Conclusion

      Age distributions, mean tumor sizes, and tumor locations were similar to those previously reported for sclerosing pneumocytoma, and the female-to-male ratio in our Korean cohort was similar to those previously reported in Asia, but higher than those reported in the West.

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