Search on: MEGAESOPHAGUS 
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Descriptor English:   Esophageal Achalasia 
Descriptor Spanish:   Acalasia del Esófago 
Descriptor Portuguese:   Acalasia Esofágica 
Synonyms English:   Achalasia
Achalasia, Esophageal
Achalasias
Achalasias, Esophageal
Cardiospasm
Cardiospasms
Esophageal Achalasias
Megaesophagus  
Tree Number:   C06.405.117.119.500.432
Definition English:   A motility disorder of the ESOPHAGUS in which the LOWER ESOPHAGEAL SPHINCTER (near the CARDIA) fails to relax resulting in functional obstruction of the esophagus, and DYSPHAGIA. Achalasia is characterized by a grossly contorted and dilated esophagus (megaesophagus). 
Indexing Annotation English:   CARDIOSPASM refers to spasm of the CARDIA, not the heart; not for esophageal spasm ( = ESOPHAGEAL SPASM, DIFFUSE)
History Note English:   1985; for ACHALASIA OF ESOPHAGUS use CARDIOSPASM 1974-1984; for ACHALASIA use CARDIOSPASM 1963-1973; CARDIOSPASM was heading 1963-1984 
Allowable Qualifiers English:  
BL blood CF cerebrospinal fluid
CI chemically induced CL classification
CO complications CN congenital
DI diagnosis DG diagnostic imaging
DH diet therapy DT drug therapy
EC economics EM embryology
EN enzymology EP epidemiology
EH ethnology ET etiology
GE genetics HI history
IM immunology ME metabolism
MI microbiology MO mortality
NU nursing PS parasitology
PA pathology PP physiopathology
PC prevention & control PX psychology
RT radiotherapy RH rehabilitation
SU surgery TH therapy
UR urine VE veterinary
VI virology  
Record Number:   23994 
Unique Identifier:   D004931 

Occurrence in VHL:
 

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