Can endobronchial or endotracheal metastases appear from rectal adenocarcinoma?

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Can endobronchial or endotracheal metastases appear from rectal adenocarcinoma?

J Med Life. 2017 Jan-Mar;10(1):66-69

Authors: Serbanescu GL, Anghel RM

Abstract
Background: Endobronchial and endotracheal metastases from extra-pulmonary solid tumors are rare. Patients and methods: We reported the case of a patient diagnosed with endobronchial and endotracheal metastases from rectal adenocarcinoma. Case report: Patient P.G., 62 years old, was diagnosed with a rectal tumor in 2011, for which, a surgical intervention was performed (pT3 pN2a M0, stage IIIB). Afterwards, she underwent adjuvant chemotherapy and concomitant radiochemotherapy. In September 2013, the chest CT showed 2 nodules for which, an incomplete surgical resection was done and which were histopathologically diagnosed as metastases from rectal cancer. The patient continued the treatment with chemotherapy associated with Bevacizumab and after 6 months only Bevacizumab for maintenance. In June 2015, the chest CT pointed out a nodule in the right upper lobe and the bronchoscopy highlighted a 4-5 mm lesion at the level of the right primary bronchus, whose biopsy proved the rectal origin. Afterwards, another surgical intervention was performed. Unfortunately, the postoperative chest CT revealed an intratracheal tissue mass (11/ 7mm) and multiple metastases in the right lung. The bronchoscopy showed 2 endotracheal lesions, out of which one was biopsied (histopathological result of metastasis from rectal cancer). Despite the fact that chemotherapy was continued, other endobronchial lesions appeared. All of them were removed and the patient started radiotherapy on the tracheal area. Afterwards, she refused to continue chemotherapy. The last bronchoscopy highlighted one endobronchial and two endotracheal secondary malignant lesions. Conclusion: Endobronchial and endotracheal metastases must be taken into consideration in all the patients with a history of extra-pulmonary cancer. Abbreviations: CT = computed tomography, MRI = magnetic resonance imaging, IMRT = intensity-modulated radiotherapy, ESMO = European Society for Medical Oncology, NCCN = National Comprehensive Cancer Network, iv = intravenous, PET - CT = Positron Emission Tomography - Computed Tomography.

PMID: 28255381 [PubMed - indexed for MEDLINE]

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