Preferred Label : Pituitary stalk interruption syndrome;
ICD-11 definition : Pituitary stalk interruption syndrome (PSIS) is a congenital abnormality of the pituitary
that is responsible for pituitary deficiency and is usually characterized by the triad
of a very thin or interrupted pituitary stalk, an ectopic (or absent) posterior pituitary
(EPP) and hypoplasia or aplasia of the anterior pituitary visible on MRI. In some
patients the abnormality may be limited to EPP (also called ectopic neurohypophysis)
or to an interrupted pituitary stalk.;
ICD-11 synonym : PSIS - [pituitary stalk interruption syndrome]; Ectopic neurohypophysis;
ICD-11 acronym : PSIS;
Origin ID : 1474283222;
Automatic exact mappings (from CISMeF team)
- Currated CISMeF NLP mapping
Pituitary stalk interruption syndrome (PSIS) is a congenital abnormality of the pituitary
that is responsible for pituitary deficiency and is usually characterized by the triad
of a very thin or interrupted pituitary stalk, an ectopic (or absent) posterior pituitary
(EPP) and hypoplasia or aplasia of the anterior pituitary visible on MRI. In some
patients the abnormality may be limited to EPP (also called ectopic neurohypophysis)
or to an interrupted pituitary stalk.
