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Neoplasm of lung — Clinical Guidelines

Overview

Neoplasm of the lung encompasses various benign and malignant tumors arising from lung tissue, including primary lung cancers and metastatic lesions. Treatment approaches vary based on tumor type, stage, and patient-specific factors.

Diagnosis

Imaging: Chest CT and MRI for lesion characterization 1 2.

Biopsy: CT-guided percutaneous lung biopsy for definitive diagnosis, especially in suspected malignancies 3.

Histopathology: Essential for distinguishing between benign (e.g., hamartomas, lipomas) and malignant tumors (e.g., lung carcinoma, metastases) 4 5 6 7 8 10 11.

Immunohistochemistry: Useful in differentiating specific benign lesions like sclerosing hemangioma 12.

Management

Minimally Invasive Procedures: Radiofrequency ablation (RFA) under conscious sedation or general anesthesia for selected malignant and metastatic lesions 1 2.

Surgical Resection: Lobectomy or pneumonectomy for definitive treatment of benign but obstructive lesions (e.g., endobronchial leiomyoma) and certain malignant tumors 4 5.

Anesthesia Considerations: Conscious analgosedation with lidocaine and propofol infusion for RFA procedures 1.

Special Populations

Pediatrics: CT-guided percutaneous lung biopsies can be safely performed in children for suspected malignancies 3.

Comorbidities: RFA is particularly beneficial for patients with significant medical comorbidities who are not candidates for surgery 1 2.

Key Recommendations

Use CT-guided percutaneous lung biopsy for definitive diagnosis in suspected lung neoplasms (Evidence: Moderate 3).

Consider radiofrequency ablation under conscious sedation for selected patients with lung neoplasms, especially those with comorbidities (Evidence: Moderate 1 2).

Perform surgical resection (lobectomy/pneumonectomy) for obstructive benign tumors and certain malignant lesions (Evidence: Expert opinion 4 5).

References

1 Volpe ML, Piazza O, Palumbo D, Griffo S, Romano M, Servillo G et al.. Conscious analgosedation for radiofrequency ablation of lung neoplasm. Minerva anestesiologica 2006. link 2 Hoffmann RT, Jakobs TF, Lubienski A, Schrader A, Trumm C, Reiser MF et al.. Percutaneous radiofrequency ablation of pulmonary tumors--is there a difference between treatment under general anaesthesia and under conscious sedation?. European journal of radiology 2006. link 3 Cahill AM, Baskin KM, Kaye RD, Fitz CR, Towbin RB. CT-guided percutaneous lung biopsy in children. Journal of vascular and interventional radiology : JVIR 2004. link 4 Mathur RM, Sen G, Yadav KS. Endobronchial leiomyoma. Indian journal of cancer 1993. link 5 Matsuba K, Saito T, Ando K, Shirakusa T. Atypical lipoma of the lung. Thorax 1991. link 6 Green LK, Gallion TL, Gyorkey F. Peripheral mucoepidermoid tumour of the lung. Thorax 1991. link 7 Papla B, Malinowski E. Pulmonary fibroleiomyomatous hamartomas: report of two cases. Patologia polska 1991. link 8 Yousem SA, Hochholzer L. Alveolar adenoma. Human pathology 1986. link80092-2) 9 Noguchi M, Kodama T, Morinaga S, Shimosato Y, Saito T, Tsuboi E. Multiple sclerosing hemangiomas of the lung. The American journal of surgical pathology 1986. link 10 Tesluk H, Dajee A. Pulmonary oncocytoma. Journal of surgical oncology 1985. link 11 Palvio D, Egeblad K, Paulsen SM. Atypical lipomatous hamartoma of the lung. Virchows Archiv. A, Pathological anatomy and histopathology 1985. link 12 Haimoto H, Tsutsumi Y, Nagura H, Nakashima N, Watanabe K. Immunohistochemical study of so-called sclerosing haemangioma of the lung. Virchows Archiv. A, Pathological anatomy and histopathology 1985. link 13 Dempster AG. Adenomatoid hamartoma of the lung in a neonate. Journal of clinical pathology 1969. link

Neoplasm of lung