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Pulmonary hamartomas

J A Gjevre1, J L Myers, U B Prakash

  • 1Division of Pulmonary and Critical Care Medicine and Internal Medicine Mayo Clinic Rochester, Minnesota MN 55905, USA.

Mayo Clinic Proceedings
|January 1, 1996
PubMed
Summary
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Pulmonary hamartomas are benign lung tumors typically found in older men. While often asymptomatic, a significant number of patients had concurrent neoplasms, though no direct link or malignant transformation was observed.

Area of Science:

  • Pulmonology
  • Pathology
  • Oncology

Background:

  • Pulmonary hamartomas are benign lung neoplasms.
  • These tumors are often discovered incidentally.
  • Understanding their clinical and pathological features is crucial for diagnosis and management.

Purpose of the Study:

  • To analyze the clinical and pathologic features of biopsy-proven pulmonary hamartomas.
  • To assess the incidence and characteristics of these tumors in a tertiary referral setting.
  • To investigate the association between pulmonary hamartomas and other neoplasms.

Main Methods:

  • Retrospective review of institutional data from a 17-year study period.
  • Analysis of medical records and histologic sections of patients diagnosed with pulmonary hamartomas.

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  • Inclusion criteria: biopsy, excision, or autopsy diagnosis of pulmonary hamartoma.

    • Main Results:

    • 215 patients with histologically confirmed pulmonary hamartoma (141 men, 74 women).
    • Most patients were asymptomatic; peak incidence in the seventh decade.
    • Mean hamartoma size 1.5 cm; 29.3% had concurrent neoplasms, including lung carcinoma.

    Conclusions:

    • Pulmonary hamartomas are benign lung neoplasms predominantly affecting asymptomatic older men.
    • A substantial number of patients had concurrent neoplasms, often due to referral for cancer treatment.
    • No evidence of malignant transformation or unexplained association with other lung neoplasms was found.