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PATHOLOGY OF TUMOURS IN CHILDREN.

An analysis of the types of tumour in children in the Manchester hospital region indicates that approximately two-thirds arose in the reticuloendothelial or nervous systems. The high mortality is largely due to the nature or site of the tumours, the majority of which cannot be eradicated by purely local measures. The most likely means of causing any significant improvement would be by greater centralization in the treatment of these children.

Adolescent↗

Desmoplasia in benign and malignant breast disease is characterized by alterations in level of mRNAs coding for types I and III procollagen.

Desmoplasia, the formation of excessive connective tissue surrounding some neoplasms, is a well documented, but incompletely understood phenomenon. To characterize the fibrotic response in benign breast conditions and malignancy, we examined the steady state levels of mRNA coding for types I and III procollagen in mild fibrocystic changes, in fibroadenoma, and in infiltrating ductal carcinoma. The results indicate that in mild fibrocystic change there is a relative increase in type III procollagen mRNA. In contrast, fibroadenoma and carcinoma are characterized by increased levels of type I procollagen mRNA.

Adult↗

Mesenchymal tumours of the thorax: CT findings and pathological features.

Mesenchymal tumours of the thorax are uncommon and may originate from the muscle, bone, cartilage, vessel, nerves, fat and fibrous tissue. These tumours occur at different sites including the lung, pleura, mediastinum or chest wall. Mesenchymal tumours tend to show protean and non-specific imaging characteristics. However, in some instances, the imaging characteristics of the tumour may allow a specific diagnosis to be made, such as with lipoid or vascular tumours.

Adolescent↗