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1.

Lewy body dementia

Dementia with Lewy bodies (DLB) is a neurodegenerative disorder clinically characterized by dementia and parkinsonism, often with fluctuating cognitive function, visual hallucinations, falls, syncopal episodes, and sensitivity to neuroleptic medication. Pathologically, Lewy bodies are present in a pattern more widespread than usually observed in Parkinson disease (see PD; 168600). Alzheimer disease (AD; 104300)-associated pathology and spongiform changes may also be seen (McKeith et al., 1996; Mizutani, 2000; McKeith et al., 2005). [from GTR]

MedGen UID:
199874
Concept ID:
C0752347
Disease or Syndrome
2.

Dementia

A loss of global cognitive ability of sufficient amount to interfere with normal social or occupational function. Dementia represents a loss of previously present cognitive abilities, generally in adults, and can affect memory, thinking, language, judgment, and behavior. [from HPO]

MedGen UID:
99229
Concept ID:
C0497327
Finding; Mental or Behavioral Dysfunction
3.

Lewy bodies

MedGen UID:
892415
Concept ID:
C4020711
4.

Parkinsonism

A group of disorders which feature impaired motor control characterized by bradykinesia, MUSCLE RIGIDITY; TREMOR; and postural instability. Parkinsonian diseases are generally divided into primary parkinsonism (see PARKINSON DISEASE), secondary parkinsonism (see PARKINSON DISEASE, SECONDARY) and inherited forms. These conditions are associated with dysfunction of dopaminergic or closely related motor integration neuronal pathways in the BASAL GANGLIA. [from MeSH]

MedGen UID:
66079
Concept ID:
C0242422
Disease or Syndrome
5.

Bradykinesia

Bradykinesia literally means slow movement, and is used clinically to denote a slowness in the execution of movement (in contrast to hypokinesia, which is used to refer to slowness in the initiation of movement). [from HPO]

MedGen UID:
115925
Concept ID:
C0233565
Sign or Symptom
6.

Resting tremor

A resting tremor occurs when muscles are at rest and becomes less noticeable or disappears when the affected muscles are moved. Resting tremors are often slow and coarse. [from HPO]

MedGen UID:
66697
Concept ID:
C0234379
Sign or Symptom
7.

Lewy bodies

Intracytoplasmic, eosinophilic, round to elongated inclusions found in vacuoles of injured or fragmented neurons. The presence of Lewy bodies is the histological marker of the degenerative changes in LEWY BODY DISEASE and PARKINSON DISEASE but they may be seen in other neurological conditions. They are typically found in the substantia nigra and locus coeruleus but they are also seen in the basal forebrain, hypothalamic nuclei, and neocortex. [from MeSH]

MedGen UID:
43126
Concept ID:
C0085200
Cell Component
8.

Tremor

An unintentional, oscillating to-and-fro muscle movement about a joint axis. [from HPO]

MedGen UID:
21635
Concept ID:
C0040822
Sign or Symptom
9.

Levodopa

An amino acid precursor of dopamine with antiparkinsonian properties. Levodopa is a prodrug that is converted to dopamine by DOPA decarboxylase and can cross the blood-brain barrier. When in the brain, levodopa is decarboxylated to dopamine and stimulates the dopaminergic receptors, thereby compensating for the depleted supply of endogenous dopamine seen in Parkinson's disease. To assure that adequate concentrations of levodopa reach the central nervous system, it is administered with carbidopa, a decarboxylase inhibitor that does not cross the blood-brain barrier, thereby diminishing the decarboxylation and inactivation of levodopa in peripheral tissues and increasing the delivery of dopamine to the CNS. [from NCI]

MedGen UID:
9744
Concept ID:
C0023570
Amino Acid, Peptide, or Protein; Biologically Active Substance; Pharmacologic Substance
10.

deceased

MedGen UID:
807672
Concept ID:
CN220451
Finding
11.

Tremor

MedGen UID:
472309
Concept ID:
CN130231
Disease or Syndrome
12.

Parkinson disease, late-onset

Parkinsonism refers to all clinical states characterized by tremor, muscle rigidity, slowed movement (bradykinesia) and often postural instability. Parkinson disease is the primary and most common form of parkinsonism. Psychiatric manifestations, which include depression and visual hallucinations, are common but not uniformly present. Dementia eventually occurs in at least 20% of cases. The most common sporadic form of Parkinson disease manifests around age 60; however, young-onset and even juvenile presentations are seen. [from GTR]

MedGen UID:
463618
Concept ID:
C3160718
Disease or Syndrome
13.

Parkinson disease

Parkinsonism refers to all clinical states characterized by tremor, muscle rigidity, slowed movement (bradykinesia) and often postural instability. Parkinson disease is the primary and most common form of parkinsonism. Psychiatric manifestations, which include depression and visual hallucinations, are common but not uniformly present. Dementia eventually occurs in at least 20% of cases. The most common sporadic form of Parkinson disease manifests around age 60; however, young-onset and even juvenile presentations are seen. [from GTR]

MedGen UID:
10590
Concept ID:
C0030567
Disease or Syndrome
14.

Rigidity

An involuntary, persistent state of firm, tense muscles with marked resistance to passive movement. [from NCI]

MedGen UID:
7752
Concept ID:
C0026837
Sign or Symptom
15.

Degenerative abnormality

Disturbance of cell integrity and deterioration of normal tissue, cells or organs. [from NCI_CDISC]

MedGen UID:
3705
Concept ID:
C0011164
Pathologic Function
16.

Neurocognitive disorder

A disorder characterised by a decline primarily in intellectual function due to disease of the brain caused by a variety of acquired conditions such as cerebrovascular disease, Alzheimer's disease, infections, adverse drug reactions and trauma. [from SNOMEDCT_US]

MedGen UID:
873945
Concept ID:
C4041080
Mental or Behavioral Dysfunction
17.

Parkinson Disease, Juvenile

MedGen UID:
155699
Concept ID:
C0752105
Disease or Syndrome
18.

Diagnosis, Psychiatric

MedGen UID:
138165
Concept ID:
C0376338
Mental or Behavioral Dysfunction
19.

Neurodegenerative disease

Hereditary and sporadic conditions which are characterized by progressive nervous system dysfunction. These disorders are often associated with atrophy of the affected central or peripheral nervous system structures. [from MeSH]

MedGen UID:
101195
Concept ID:
C0524851
Disease or Syndrome
20.

Unspecified encephalopathy

A functional and/or structural disorder of the brain caused by diseases (e.g. liver disease, kidney disease), medications, chemicals, and injuries. [from NCI]

MedGen UID:
39314
Concept ID:
C0085584
Disease or Syndrome
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