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Descriptor English: Thymus Hyperplasia
Descriptor Spanish: Hiperplasia del Timo
Descriptor hiperplasia del timo
Scope note: Aumento de volumen del timo. Condición que se describía en los finales de los 40 y 50 como hipertrofia tímica patológica, un estatus timolinfático que se trataba con radioterapia. También se practicó la eliminación innecesaria del timo. Luego se hizo evidente que el timo sufría una hipertrofia fisiológica, que alcanzaba un máximo durante la pubertad y que involucionaba posteriormente. El concepto de estatus timolinfático se ha abandonado. La hiperplasia del timo se presenta en dos tercios de todos los pacientes con miastenia gravis.
Descriptor Portuguese: Hiperplasia do Timo
Descriptor French: Hyperplasie du thymus
Entry term(s): Gland Hyperplasia, Thymus
Gland Hyperplasias, Thymus
Hyperplasia of Thymus Gland
Hyperplasia, Thymic
Hyperplasia, Thymus
Hyperplasias, Thymic
Thymic Hyperplasia
Thymic Hyperplasias
Thymus Gland Hyperplasia
Thymus Gland Hyperplasias
Tree number(s): C15.604.816
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D013952
Scope note: Enlargement of the thymus. A condition described in the late 1940's and 1950's as pathological thymic hypertrophy was status thymolymphaticus and was treated with radiotherapy. Unnecessary removal of the thymus was also practiced. It later became apparent that the thymus undergoes normal physiological hypertrophy, reaching a maximum at puberty and involuting thereafter. The concept of status thymolymphaticus has been abandoned. Thymus hyperplasia is present in two thirds of all patients with myasthenia gravis. (From Segen, Dictionary of Modern Medicine, 1992; Cecil Textbook of Medicine, 19th ed, p1486)
Allowable Qualifiers: BL blood
CF cerebrospinal fluid
CI chemically induced
CL classification
CN congenital
CO complications
DG diagnostic imaging
DH diet therapy
DI diagnosis
DT drug therapy
EC economics
EH ethnology
EM embryology
EN enzymology
EP epidemiology
ET etiology
GE genetics
HI history
IM immunology
ME metabolism
MI microbiology
MO mortality
NU nursing
PA pathology
PC prevention & control
PP physiopathology
PS parasitology
PX psychology
RH rehabilitation
RT radiotherapy
SU surgery
TH therapy
UR urine
VE veterinary
VI virology
Related: Myasthenia Gravis MeSH
DeCS ID: 14340
Unique ID: D013952
NLM Classification: WK 400
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2010/06/25
Thymus Hyperplasia - Preferred
Concept UI M0021470
Scope note Enlargement of the thymus. A condition described in the late 1940's and 1950's as pathological thymic hypertrophy was status thymolymphaticus and was treated with radiotherapy. Unnecessary removal of the thymus was also practiced. It later became apparent that the thymus undergoes normal physiological hypertrophy, reaching a maximum at puberty and involuting thereafter. The concept of status thymolymphaticus has been abandoned. Thymus hyperplasia is present in two thirds of all patients with myasthenia gravis. (From Segen, Dictionary of Modern Medicine, 1992; Cecil Textbook of Medicine, 19th ed, p1486)
Preferred term Thymus Hyperplasia
Entry term(s) Gland Hyperplasia, Thymus
Gland Hyperplasias, Thymus
Hyperplasia of Thymus Gland
Hyperplasia, Thymic
Hyperplasia, Thymus
Hyperplasias, Thymic
Thymic Hyperplasia
Thymic Hyperplasias
Thymus Gland Hyperplasia
Thymus Gland Hyperplasias



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