Bronchogenic cysts from the standpoint of its location.

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  • MIURA Hiroyuki
    Department of Thoracic Surgery, Hachioji Medical Center of Tokyo Medical University
  • TAIRA Osamu
    Department of Thoracic Surgery, Hachioji Medical Center of Tokyo Medical University
  • SAIJO Takamoto
    Department of Thoracic Surgery, Hachioji Medical Center of Tokyo Medical University
  • KATO Harubumi
    Department of Surgery, Tokyo Medical University

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Other Title
  • 発生部位からみた気管支嚢胞手術例の検討

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Description

Bronchogenic cysts were studied with the classification by location to elucidate clinicopatholigical characteristics of the cysts and to consider the therapeutic guidelines. There were seven cases of mediastinal type, two cases of intrapulmonary type, and two cases of hilar type. Various histological components were found, which were considered to depend on the period of the separation or migration of the bronchial bud and the cyst formation accompanied with or without the mesoderm from which the cartilage derived. There were no findings specific to any locations. Lobectomy was performed in the intrapulmonary type immediately after the shadows were detected. The hilar type had been followed up for 10 to 29 years, and lobectomy was necessary. On the contrary, extirpation could be made in the mediastinal type. The hilar type was differentiated from the mediastinal type, considering its embryology and operative methods.<br> Symptomatic bronchogenic cysts should be removed. Even asymptomatic, tumors should be removed if malignancy cannos be ruled out. If bronchogenic cysts are suspected without symptoms, the tumors can be followed up without treatment. However, those should be removed before any symptoms occur.

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