|
|
Laboratory diagnosis of pheochromocytoma
Chlupáčová, Tereza ; Bílek, Radovan (advisor) ; Švandová, Ivana (referee)
1 Phaeochromocytomas are tumors predominantly rare to chromaffin tissue in adrenal glands' medulla. Tumors in the extra-adrenal chromaffin tissue are called paragangliomas. Phaeochromocytomas cause secretion of high amounts of catecholamines, which can lead to fatal consequences if not medically treated. The aim of this thesis is to summarize the so far known facts about this severe disease in a written review. The first part of the study focuses on issues of phaeochromocytoma research and lists general information about these tumors and their clinical manifestations. The importance of genetic influence in connection with treatment strategies for patients with phaeochromocytoma is also discussed. The second part of the thesis summarizes procedures and methods used in laboratory diagnostics of phaeochromocytomas. The conclusion briefly describes the possibilities of tumor localization using imaging technologies and procedures of subsequent treatment of patients with phaeochromocytoma.
|
|
|
The analysis of cerebrospinal fluid in patients with hydrocephalus
Chlupáčová, Tereza ; Kolátorová, Lucie (advisor) ; Dušková, Michaela (referee)
Normotensive hydrocephalus (NPH) is a neurodegenerative disease that occurs mainly in patients of high age. The disorder causes accumulation of cerebrospinal fluid (CSF), which leads to enlargement of ventricles and pressure exerted on cerebral structures. Clinical manifestations (gait disorders, development of dementia, incontinence) can be easily confused with symptoms of other neurodegenerative diseases; unlike other such disorders, however, NPH can be treated by surgery, if diagnosed in time. Patients are indicated for the procedure by a lumbar drainage test. There are currently no reliable laboratory biomarkers known that could be the basis of NPH diagnostics. In the past, steroids proved to be linked to neuronal activity in neurodegenerative diseases with the help of specific diagnostic markers. An instrumental method has been developed for the purposes of this thesis and it was used to gauge the level of certain steroids in CSF in a sample group of NPH patients and a control sample group of healthy individuals. A significant difference has been found in levels of aldosterone and cortisone. Aldosterone was higher in NPH sufferers, while cortisone levels were higher in the control group. It is crucial to differentiate patients with NPH from patients with similar clinical manifestations during...
|
|
|
Laboratory diagnosis of pheochromocytoma
Chlupáčová, Tereza ; Bílek, Radovan (advisor) ; Švandová, Ivana (referee)
1 Phaeochromocytomas are tumors predominantly rare to chromaffin tissue in adrenal glands' medulla. Tumors in the extra-adrenal chromaffin tissue are called paragangliomas. Phaeochromocytomas cause secretion of high amounts of catecholamines, which can lead to fatal consequences if not medically treated. The aim of this thesis is to summarize the so far known facts about this severe disease in a written review. The first part of the study focuses on issues of phaeochromocytoma research and lists general information about these tumors and their clinical manifestations. The importance of genetic influence in connection with treatment strategies for patients with phaeochromocytoma is also discussed. The second part of the thesis summarizes procedures and methods used in laboratory diagnostics of phaeochromocytomas. The conclusion briefly describes the possibilities of tumor localization using imaging technologies and procedures of subsequent treatment of patients with phaeochromocytoma.
|
guest ::
