Source: Annual Congress 2002 - Lung cancer: epidemiology and clinical characteristics
Disease area: Thoracic oncology

Abstract

A large proportion of solitary peripheral lung nodes (SPLN) are malignant in nature, most commonly diagnosed as a peripheral lung cancer. The investigation included 100 patients with a radiologically presented SPLN, up to 6 cm in diametre, with neither hilar adenopathy nor atelectasis. All patients were submited to bronchoscopy (B) and transnthoracic puncture (TTP), while 91 patients had thoracotomy.The study was aimed at defining the clinical and radiologic features of malignans SPLN and diagnostic possibilitieswith these lesions. Malignant nodes made 70% of the total series of 100 analysed SPLN, most commonly diagnosed as adeno cancer of the lungs (67.1%), then squamous (epidermoid)lung cancer (24.3%), small-cell lung cancer (4.3%) and metastatic cancer (4.3%). Malignant SPLN usually affected the 50-59yr age group, predominantly males (83%), developing no symptoms (54%), mostly in smokers (92%). The nodes were commonly localized in the right lung (60%), its upper lobe (41%). in the size of 3-3.9 cm. Bronchoscopy enlightened the etiology of SPLNs in 2% and TTP in 64% of the cases, achieving high sensitivity (82%), specificity (100%) and accuracy (87%) rates. Thoracotomy is doubtlessly the method of choice to enlighten the etiology of SPLNs, as well as the safest and most efficient therapeutic method for peripheral lung cancer.

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Citations should be made in the following way:
M. D. Djuric, D. K. Povazan, T. Zikic (Sremska Kamenica, Yugoslavia). Malignant solitary peripheral lung nodes: radiologic and diagnostic features. Eur Respir J 2002; 20: Suppl. 38, 568

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