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The production of seizure-like symptoms is not under voluntary control; [10] [11] symptoms which are feigned or faked voluntarily would fall under the categories of factitious disorder or malingering. [12] Risk factors for PNES include having a history of head injury, and having a diagnosis of epilepsy. [13]
Magnetic resonance image of PNET. Most children that develop primitive neuroectodermal tumors are diagnosed early in life, usually at around 3–6.8 years of age. [2] Symptoms patients present at time of diagnosis include irritable mood, visual difficulties, lethargy, and ataxia. [2]
Symptoms may include shaking, loss of consciousness, and loss of bladder control. [2] They may or may not be caused by either physiological or psychological conditions. [2] Physiological causes include fainting, sleep disorders, and heart arrhythmias. [2] [3] Psychological causes are known as psychogenic non-epileptic seizures. [3]
The peripheral PNET (pPNET) is now thought to be virtually identical to Ewing sarcoma: "Current evidence indicates that both Ewing's sarcoma and PNET have a similar neural phenotype and, because they share an identical chromosome translocation, they should be viewed as the same tumor, differing only in their degree of neural differentiation.
Dementia due to Pick's disease: Coded 290.10 in the DSM-IV. 294.8: Dementia NOS: 294.xx: Dementia of the Alzheimer's type, with early onset: Coded 290.xx in the DSM-IV. 290.10: Dementia of the Alzheimer's type, with early onset, uncomplicated: Included only in the DSM-IV. 294.11: Dementia of the Alzheimer's type, with early onset, with ...
Generally, dementia with Lewy bodies is distinguished from Parkinson's disease dementia by the time frame in which dementia symptoms appear relative to parkinsonian symptoms and is diagnosed when cognitive symptoms begin before or at the same time as parkinsonism. Parkinson's disease dementia is the diagnosis when Parkinson's disease is already ...
The CDC said 1.7% of adults ages 65 to 74 reported a dementia diagnosis, a rate that increased with age. For those ages 75 to 84, the reported dementia rate was 5.7%
Paraphrenia is often associated with a physical change in the brain, such as a tumor, stroke, ventricular enlargement, or neurodegenerative process. [4] Research that reviewed the relationship between organic brain lesions and the development of delusions suggested that "brain lesions which lead to subcortical dysfunction could produce delusions when elaborated by an intact cortex".