Preferred Label : Amyotrophy, monomelic;
Type : Phenotype or locus, molecular basis unknown;
Alternative titles and symbols : Spinal muscular atrophy, juvenile, nonprogressive; Hirayama disease;
Description : Monomelic amyotrophy, also known as Hirayama disease, is characterized by insidious
onset of weakness and wasting of the muscles of the hand and forearm. It is usually
unilateral, but can be bilateral. It occurs most commonly as a sporadic condition,
is most common in young men, and follows a relatively benign course after a few years
of progression (Nalini et al., 2004; Misra et al., 2005).;
Inheritance : Isolated cases;
Prefixed ID : %602440;
Origin ID : 602440;
UMLS CUI : C1865384;
Automatic exact mappings (from CISMeF team)
Currated CISMeF NLP mapping
HPO term(s)
ORDO concept(s)
Semantic type(s)
UMLS correspondences (same concept)