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1.
POCUS J ; 9(1): 11-13, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38681150

RESUMO

The tissue diagnosis and staging of all types of lung cancer is foundational for prognosis and establishing the optimal treatment plan. In order to appropriately stage lung cancer, the highest stage should be established using the 8th edition TNM criteria, where tumor size (T), nodal involvement (N), and metastasis (M) are all taken into account. Establishing a tissue diagnosis may involve the use of CT guided biopsy, navigational bronchoscopy, endobronchial biopsy, EBUS, percutaneous lymph node biopsy and/or excisional biopsy of supraclavicular nodes. It is recommended to proceed with the method that is considered least invasive and provides the highest staging. We present a case of recurrent lung adenocarcinoma diagnosed with real time ultrasound-guided fine needle aspiration of a neck lymph node.

2.
Fed Pract ; 38(Suppl 2): S30-S34, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-34177239

RESUMO

OBJECTIVES: Stereotactic ablative radiotherapy (SABR) has become the standard of care for inoperable early-stage non-small cell lung cancer (NSCLC). Many patients cannot safely undergo a biopsy because of poor pulmonary function and are empirically treated with radiotherapy. This study aimed to evaluate factors associated with radiation toxicity in patients receiving empiric SABR. METHODS: We performed a retrospective review of 69 patients. Patients and tumor characteristics, radiation doses, pulmonary function tests, and toxicity (acute ≤ 90 days and late > 90 days) were analyzed to find associations with overall survival on Kaplan-Meier curves and differences in patient populations with χ2 and Mann-Whitney U tests. RESULTS: Median age was 71 years. Tumors were classified as peripheral in 62 patients (89.9%). After a median follow-up of 18 months, 39 patients (56.5%) were alive with 4 local recurrences (5.7%), 10 regional failures (14.3%), and 15 distant metastases (21.4%). Nineteen of 67 (26.3%) patients had acute toxicity of which 9 had acute grade ≥ 2 toxicity. There were differences in overall survival based on operability status (P = .031) and acute toxicity (P < .001). Pretreatment oxygen dependence (P = .003), central location (P < .001), and new oxygen requirement (P = .02) were significantly associated with acute grade ≥ 2 toxicity. No association was found with performance on pulmonary function tests. CONCLUSION: Empiric SABR in presumed early-stage NSCLC appears to be safe and may increase overall survival. Acute grade ≥ 2 toxicity was significantly associated with pretreatment oxygen dependence, central location, and new oxygen requirement. No association was found with poor pulmonary function.

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