Le stroma tumoral

Tumoral stroma of salivary pleomorphic adenoma -- histopathological, histochemical and immunohistochemical study.

The aims of our paper were to establish the main histopathological, histochemical and immunohistochemical aspects of tumoral stroma from salivary pleomorphic adenomas. For this purpose we investigated 103 cases by the classical histopathological technique with paraffin embedding and staining with Hematoxylin-Eosin (HE), Hematoxylin-Eosin-Safranin (HES), trichromic Masson, trichromic Goldner Sze...

Tumoral Growth

In addition to its well-known homoeostatic actions in the cardiovascular system, ET-1 has been shown to constitute a potent growth regulatory peptide in various tissues. We have studied the expression of ET-1 and its receptors (ETAr and ET-Br) in human meningiomas (n = 35) as well as their involvement in cellular growth. By PCR of reversetranscribed RNA we detected ET-1 mRNA in 91% (32 of 35), ...

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Tumoral cystitis in children.

Three children aged 3-11 years had ultrasonography of the urinary tract for the investigation of dysuria and haematuria. A bladder mass was seen in these 3 children. One child had computed tomography scan, cystoscopy and bladder biopsy because rhabdomyosarcoma was considered. The biopsy revealed an inflammatory process. The urine culture of the other 2 children revealed E. coli. On ultrasonogra...

Idiopathic tumoral calcinosis.

Idiopathic tumoral calcinosis is an unusual benign condition characterized by the presence of calcified soft tissue masses of varying size around the joints. In this retrospective study,clinical data and radiological features of nine cases of idiopathic tumoral calcinosis are reviewed. Imaging features, particularly magnetic resonance imaging findings are detailed.