Denis Kachanov

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Within Europe, incidence and mortality rates of childhood leukemia and lymphoma are rather heterogeneous. The present study comprising data from five Southern and Eastern European Cancer Registries aims to compare time trends and examine whether sociodemographic variables, clinical parameters, and proxies of efficient care affect survival. Data spanning(More)
Classical osteosarcoma is one of the most common primary malignant bone tumors in children and adolescents. It more frequently occurs in the areas of the highest growth plate proliferation: limb long bones particularly in the distal femur (30%), proximal tibia (15%), and proximal humerus (15%). In the long bones, the tumor is located usually in the(More)
Neuroblastoma (NB) is the most common extracranial solid tumor in children. The neoplasm grows from progenitor cells of the sympathetic nervous system and can be detected anywhere along the sympathetic neurological circuit: retroperitoneally, mediastinally, cervically, and pelvically. Examination of children with suspected neuroblastoma is comprehensive and(More)
Malignant rhabdoid tumor (MRT) of the liver is a rare, highly aggressive tumor of early childhood. We report a 6-month-old boy who was diagnosed with MRT of the liver and presented with spontaneous tumor rupture. The patient underwent intensified chemotherapy and a radical surgical procedure. Twenty four months from the time of the diagnosis, he is alive(More)
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