Histological classification of lung cancer.

Histological classification of lung cancer.

In 1924, when lung cancer was an uncommon disease , Marchesani proposed a classification of lung cancer into four histological groups. This was later expanded in the World Health Organisation's his-tological classification of lung tumours of 1967.' Further modification was found necessary and a second edition was produced by the WHO in 1981.2 This includes, under the heading "Malignant epitheli...

Histological diagnosis of lung cancer micrometastases.

WHO histological classification of tumours of the lung

With more than 1.1 million deaths annually worldwide, lung cancer is the most frequent and one of the most deadly cancer types. In men, 85-90% of cases can be attributed to tobacco smoking. Some Western countries in which the smoking habit took off about 100 years ago, tobacco control programmes have led to a significant decline in mortality. Unfortunately, the habit has now spread to many newl...

TNM classification for lung cancer.

The international tumor-node-metastasis (TNM) staging system is the "international language" in cancer diagnosis and treatment. Six revisions of the TNM staging system for lung cancer have been repeated over the past 35 years after the beginning of UICC-TNM classification in 1968. The 1997 revision for lung cancer has undergone an extensive correction for many deficiencies of the old staging sy...

Histological examination of peroperative frozen sections in suspected lung cancer.

BACKGROUND Despite extensive investigations some patients with suspected lung cancer may undergo thoracotomy without preoperative histological proof of malignancy. A questionnaire on the use of histological examination of peroperative frozen sections in such patients was sent to 50 thoracic surgeons. Replies were received from 41 surgeons and indicated an absence of consensus on the usefulness ...