MeSH Browser

MeSH Heading: Megalencephaly
Tree Number(s): C05.660.207.536; C10.500.507.400.249; C16.131.621.207.532; C16.131.666.507.400.249
Unique ID: D058627
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D058627
Scope Note: A congenital abnormality in which the occipitofrontal circumference is greater than two standard deviations above the mean for a given age. It is associated with HYDROCEPHALUS; SUBDURAL EFFUSION; ARACHNOID CYSTS; or is part of a genetic condition (e.g., ALEXANDER DISEASE; SOTOS SYNDROME).
Entry Term(s): Macrocephaly; Megacephaly; Megalocephaly
Previous Indexing: Craniofacial Abnormalities (1994-2010); Head/abnormalities (1970-2010)
See Also: Hydrocephalus
Public MeSH Note: 2011; use Macrocephaly 2011-2014, Megalencephaly was under Macrocephaly 2011-2014
History Note: 2011; use Macrocephaly 2011-2014, Megalencephaly was under Macrocephaly 2011-2014
Date Established: 2011/01/01
Date of Entry: 2010/06/25
Revision Date: 2014/06/13

Allowable Qualifiers: blood (BL)

cerebrospinal fluid (CF)

chemically induced (CI)

classification (CL)

complications (CO)

diagnosis (DI)

diagnostic imaging (DG)

diet therapy (DH)

drug therapy (DT)

economics (EC)

embryology (EM)

enzymology (EN)

epidemiology (EP)

ethnology (EH)

etiology (ET)

genetics (GE)

history (HI)

immunology (IM)

metabolism (ME)

microbiology (MI)

mortality (MO)

nursing (NU)

parasitology (PS)

pathology (PA)

physiopathology (PP)

prevention & control (PC)

psychology (PX)

radiotherapy (RT)

rehabilitation (RH)

surgery (SU)

therapy (TH)

urine (UR)

veterinary (VE)

virology (VI)

Concept UI: M0543765
Scope Note: A congenital abnormality in which the occipitofrontal circumference is greater than two standard deviations above the mean for a given age. It is associated with HYDROCEPHALUS; SUBDURAL EFFUSION; ARACHNOID CYSTS; or is part of a genetic condition (e.g., ALEXANDER DISEASE; SOTOS SYNDROME).
Terms: Megalencephaly Preferred Term
Term UI T810622
Date11/15/2011
LexicalTag NON
ThesaurusID OMIM (2013); Macrocephaly
Term UI T766086
Date02/22/2010
LexicalTag NON
ThesaurusID; Megacephaly
Term UI T853547
Date01/14/2014
LexicalTag NON
ThesaurusID NLM (2015); Megalocephaly
Term UI T853548
Date01/14/2014
LexicalTag NON
ThesaurusID NLM (2015)

Megalencephaly MeSH Descriptor Data 2025