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Oncology19 papers

Intravascular bronchial alveolar tumor

Last edited: 4/15/2026

Overview

Intravascular bronchial alveolar tumors encompass a spectrum of lesions that can occur within the bronchial tree, including rare benign entities like hamartomas and potentially malignant tumors such as leiomyosarcomas. These tumors can mimic bronchogenic carcinoma clinically and radiologically.

Diagnosis

  • Imaging: Utilize CT, MRI, and PET-CT for initial characterization 1.
  • Endovascular Biopsy: Percutaneous endovascular biopsy (PEB) is highly effective for definitive diagnosis; technical success is 100% with no complications reported 1.
  • Histopathological Analysis: Essential for distinguishing between benign (e.g., thrombi, myxomas) and malignant lesions (e.g., leiomyosarcoma) 1.
  • Endobronchial Evaluation: Endoscopic procedures may be necessary for intrabronchial lesions to assess extent and nature 3.
  • Management

  • Surgical Removal: Preferred for intrabronchial hamartomas when feasible, aiming to preserve lung tissue distal to the tumor 3.
  • Endobronchial Therapy: For accessible intrabronchial lesions, endoscopic resection or ablation may be considered 23.
  • Systemic Therapy: Not specified in the provided abstracts for benign lesions; for malignant tumors like leiomyosarcoma, standard oncologic treatments (e.g., chemotherapy, radiation) may apply but are not detailed here 1.
  • Special Populations

  • Pediatrics: Endobronchial tumors are rare in infants; management often involves endoscopic evaluation and surgical intervention if symptomatic 2.
  • Comorbidities: No specific guidance provided for comorbidities; individualized care based on lesion characteristics and patient status is recommended 13.
  • Key Recommendations

  • Utilize percutaneous endovascular biopsy for definitive diagnosis of intravascular bronchial lesions due to its high success rate and safety profile (Evidence: Strong 1).
  • Consider surgical removal for intrabronchial hamartomas when possible to preserve lung function (Evidence: Moderate 3).
  • Endoscopic evaluation is crucial for managing symptomatic intrabronchial tumors in pediatric patients (Evidence: Expert opinion 2).
  • References

    1 Pomoni A, Sotiriadis C, Gay F, Jouannic AM, Qanadli SD. Percutaneous endovascular biopsy of intravascular masses: efficacy and safety in establishing pre-therapy diagnosis. European radiology 2018. link 2 Jain V, Goel P, Kumar D, Seith A, Sarkar C, Kabra S et al.. Endobronchial chondroid hamartoma in an infant. Journal of pediatric surgery 2009. link 3 Hansen BF. Intrabronchial polypoid hamartome. A case report. Scandinavian journal of thoracic and cardiovascular surgery 1977. link

    Original source

    1. [1]
      Percutaneous endovascular biopsy of intravascular masses: efficacy and safety in establishing pre-therapy diagnosis.Pomoni A, Sotiriadis C, Gay F, Jouannic AM, Qanadli SD European radiology (2018)
    2. [2]
      Endobronchial chondroid hamartoma in an infant.Jain V, Goel P, Kumar D, Seith A, Sarkar C, Kabra S et al. Journal of pediatric surgery (2009)
    3. [3]
      Intrabronchial polypoid hamartome. A case report.Hansen BF Scandinavian journal of thoracic and cardiovascular surgery (1977)

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