Janusz Dzięcioł

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In general tumours of lipoid origin are benign. A high proportion of cases are mesenchymal neoplasms localised in subcutaneous tissue. Neurological signs related to compression of neural structures by fat within the vertebral canal were first presented in 1975. The lipogenic neoplasms represent 1-4% of spinal tumours, and generally are associated with(More)
The authors analyse the incidence of metastases into the bone marrow in carcinomas of the stomach, pancreas, liver and gallbladder. Specimens from the bone marrow taken were by trephine biopsy from the sternum, ala ossis ilii and spine. Metastases into the bone marrow were found in carcinomas of the stomach, pancreas and gallbladder but not in hepatic(More)
Gliomas cause a therapeutic problem because of their localization and asymptomatic growth in the initial phase. Neoplastic growth is connected with disturbance between proliferation and apoptosis. In the study, we assessed the Bcl-2 family proteins involved in apoptosis in gliomas. The study comprised 61 patients with gliomas and based on tissue material(More)
We have undertaken an attempt to compare the application efficacy of the proliferative activity markers in differential diagnosis of thyroid Hürthle cell tumors (HCT) using the PCNA and Ki-67 labeling and AgNOR visualisation techniques. The present work is a retrospective analysis of 78 Hürthle cell tumors: 20 Hürthle cell carcinomas (HCC), 32 Hürthle cell(More)
The aim of the study was to establish to what degree the 24-week exposure of a rat to 5 and 50 mg Cd/dm3 affects the proliferating activity of cells with PCNA and Ki-67 nuclear immunoreactivity in the submandibular gland cells. The control animals received only redistilled water to drink. The group I rats were given 5 mg Cd/dm3, while the group II animals(More)
Studies of the mechanism of actions of estrogen, antiestrogen and physical factors may provide clues to an understanding of breast cancer growth and/or regression regulation and thus identify novel targets for therapeutic intervention. Defective control of apoptosis appears to play a central role in the pathogenesis of neoplasia. Conversely, cancer therapy(More)
Brain gliomas are characterized by invasive growth and neovascularisation potential. Angiogenesis plays a major role in the progression of gliomas and its determination has a great prognostic value. The aim of the study was to assess the vascularisation of chosen brain gliomas and to estimate how it is correlated with tumour histological type, malignancy(More)
In chronic lymphocytic leukaemia (CLL) bone marrow trephine biopsy (BMT) is not required for diagnosis but can have a significant prognostic value and can be used for the detection of the minimal residual disease (MRD) and for assessment of the effectiveness of the treatment applied. The aim of the study was to evaluate the morphological changes in bone(More)
Retinoids are a group of compounds which inhibit cell proliferation and induce cellular differentiation. The aim of this study was to compare the antiproliferative activity of various concentrations of 13-cis retinoic acid (isotretinoin) and all-trans retinoic acid (tretinoin) in a culture of the estrogen-sensitive human breast cancer cell line MCF-7.(More)