[Dropped head syndrome: diagnostic discussion apropos of 3 cases].
We report three cases presenting mainly with neck extensor weakness, or dropped head syndrome, revealing respectively myasthenia gravis, amyotrophic lateral sclerosis and non-inflammatory neck extensors myopathy. We discuss the different diagnosis of this rare syndrome and this late onset localized myopathy of unknown etiology.
Petiot
P
P
Service d'Electromyographie et de Pathologie Neuromusculaire, Hôpital Neurologique Pierre Wertheimer, Lyon.
Vial
C
C
de Saint Victor
J F
JF
Charles
N
N
Carrier
H
H
Depierre
P
P
Bady
B
B
D000368:Aged; D005260:Female; D006257:Head; D006801:Humans; D008297:Male; D008875:Middle Aged; D018908:Muscle Weakness; D009135:Muscular Diseases / Q000175:diagnosis*; D009334:Neck Muscles / Q000503:physiopathology*; D009468:Neuromuscular Diseases / Q000175:diagnosis*; D013577:Syndrome