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Papers of the Week

2019 Nov 29

BMC Neurol



A case report: Numb Chin Syndrome due to thalamic infarction: a rare case.


Rimmele F, Maschke H, Großmann A, Jürgens TP
BMC Neurol. 2019 Nov 29; 19(1):303.
PMID: 31783736.


Numb Chin Syndrome (NCS), which is also characterized as sensory neuropathy of the mental nerve, describes a mostly unilateral numbness of the chin and lower lip. Benign and malignant diseases are known to cause this circumscribed symptom, which can easily be overlooked or misdiagnosed. In this article we present the very rare case of a clinical NCS caused by thalamic lacunar infarction. As a pure sensory stroke it is a rare variant of the Cheiro-Oral Syndrome (COS).