ES 01.02 New Histological Classification

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...

Differences in the mode of the extension of gastric cancer classified by histological type: new histological classification of gastric carcinoma.

By combining two of the morphological characteristics of gastric cancer, the degree of differentiation of the glandular tubules and the amount of mucus in the cytoplasm, the histological type of the gastric carcinoma was categorised into four groups. Group I: tubular differentiation--well; mucus in cytoplasm--poor; group II: tubular differentiation--well; mucus in cytoplasm--rich; group III: tu...

WHO histological classification of odontogenic tumours

WHO histological classification of gastric tumours1

The incidence of adenocarcinoma of the stomach is declining worldwide. In some Western countries, rates have been reduced to less than one third within just one generation. In countries with a traditionally high incidence, e.g. Japan and Korea, the reduction is also significant but it will take more time to diminish the still significant disease burden. The main reasons for these good news is a...

WHO histological classification of neural tumours