Hospital Oberberg Gummersbach
Department of Oncology and Hematology (284606)

Markus Sieber
Specialized in: oncology, hematology
About the Department of Oncology and Hematology at Hospital Oberberg Gummersbach
The Department of Oncology and Hematology at the Hospital Gummersbach Oberberg offers the comprehensive diagnostics and highly effective treatment of various types of cancers of the internal organs, as well as benign and malignant diseases of the hematopoietic system. The department is headed by Dr. med. Markus Sieber.
The department is part of the Cancer Center Oberberg, which has all the necessary resources and highly qualified personnel for the optimal treatment result. The department provides inpatient and outpatient treatment. The treatment regimens are developed for each patient individually, at weekly interdisciplinary tumor boards with the participation of surgeons, radiation therapists, chemotherapists and other specialists.
In most cases, the diagnosis cancer causes a tremendous emotional shock. Therefore, in addition to medical treatment, the department also provides psycho-oncological care. The psychologist actively works with the patient, using various techniques to stabilize his psycho-emotional state and mood for a positive treatment outcome. Moreover, the department uses art therapy.
Clinical practice is based on the use of diagnostic and therapeutic procedures in accordance with the very latest scientific achievements. The doctors are guided by the requirements of the leading professional medical societies in Germany and USA, including the German Society for Hematology and Medical Oncology (DGHO), the American Society of Clinical Oncology (ASCO) and the American Society of Hematology (ASH). In addition, the department's specialists take part in various research projects aimed at the optimization of existing and development of innovative treatment methods.
Since the department does not carry out high-dose chemotherapy with bone marrow transplantation, it cooperates closely with the corresponding departments of university hospitals in Cologne, Bonn and Essen.
The department specializes in the diagnostics and treatment of the following diseases:
- Oncology
- Lung cancer
- Colorectal cancer
- Esophageal cancer
- Stomach cancer
- Prostate cancer
- Testicular cancer
- Bladder cancer
- Kidney cancer
- Primary peritoneal cancer
- Breast cancer
- Ovarian cancer
- Uterine and cervical cancer
- Vulvar cancer
- Cancer of unknown primary
- Hematology
- Malignant lymphomas (non-Hodgkin's lymphomas and Hodgkin's lymphomas)
- Multiple myeloma
- Acute and chronic leukemias
- Myeloproliferative diseases, including chronic myelogenous leukemia and myelodysplastic syndrome
- Congenital and acquired blood-clotting disorders (hemorrhagic diathesis and thromboembolic disorders)
- Anemias
- Congenital and acquired immunodeficiencies
- Other oncological and hematological pathologies
The therapeutic service range of the department includes:
- Radiation therapy
- Chemotherapy (adjuvant, neoadjuvant)
- Systemic therapy
- Multimodal treatment
- Cancer pain management
- Palliative care for patients with advanced cancers
- Psycho-oncological care
- Transfusion of concentrate of platelets and erythrocytes, immunoglobulin injection in case of benign diseases of the hematopoietic system
- Other treatment methods
Curriculum vitae of Dr. med. Markus Sieber
Dr. med. Markus Sieber heads the Department of Oncology and Hematology at the Hospital Gummersbach Oberberg. Prior to this, the specialist held the position of Senior Physician in the Department of Oncology at the University Hospital Cologne, where he specialized in the treatment of lymphomas, leukemia and other types of cancer. Dr. Sieber worked under the guidance of the world famous oncologist – Prof. Volker Diehl.
Working as Chief Physician in the Department of Oncology and Hematology at the Hospital Gummersbach Oberberg, he specializes in the treatment of lymphomas, leukemia, blood diseases, as well as in the treatment of lung, bowel and pancreatic tumors.
Photo of the doctor: (c) Klinikum Oberberg GmbH
Department of Oncology and Hematology.
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