Monomelic amyotrophy (MMA) is a lower motor neuron predominant disorder affecting an upper limb, which can mimic amyotrophic lateral sclerosis (ALS). It often presents with unilateral, distal upper ...

Horner's syndrome is a neurological condition resulting from disruption of the oculosympathetic pathway, which typically produces the classic triad of ipsilateral ptosis, miosis, and anhidrosis. This ...