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Lung India. 2019 May-Jun;36(3):212-215. doi: 10.4103/lungindia.lungindia_438_17.

Endobronchial metastasis from extrathoracic malignancies: A clinicopathological study of 11 cases.

Author information

1
Department of Pathology, BPS GMC, Sonipat, Haryana, India.
2
Department of Pathology, AIIMS, New Delhi, India.
3
Department of Pulmonary Medicine and Sleep Disorders, AIIMS, New Delhi, India.
4
Department of Pathology, AIIMS, Rishikesh, Uttarakhand, India.

Abstract

Introduction:

Endobronchial metastases are uncommon. It accounts for 2-28%. Most common tumors that metastasis to the endobronchial site are breast, renal, endometrial and colon carcinomas. They have to be identified properly because they present poor prognosis and different treatment modalities when compared to that of primary lung carcinomas.

Materials and Methods:

We studied a total of 11 retrospective cases of Endobronchial metastasis. Detailed clinic pathological and radiological findings were analyzed along with a detailed Immunohistochemical workup and Endobronchial findings.

Results:

Mean age of presentation was 55 years with female predominance (Male to female ratio was 1:1.2). Most common tumors encountered were carcinoma breast (3), colorectal carcinomas (2), renal cell carcinoma (2) followed by one each from carcinoma endometrium, cervix and thyroid. Common symptom was cough followed by dyspnea. Exophytic endobronchial growth was common with right main bronchus being the common site.

Conclusion:

Endobronchial metastasis occurs in various types of malignancies. It should always be differentiated from primary lung carcinomas as they carries poor prognosis and different treatment protocol when compared to that of primary lung tumors.

KEYWORDS:

Bronchogenic carcinoma; endobronchial metastasis; flexible bronchoscopy; lung

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