Pure sensory stroke is usually caused by a posterolateral thalamic lacune [1]. It has also been described in association with small intracerebral hemorrhages [2, 3], including a few located in the brainstem [4–12]. The sensory loss may involve the entire or a part of the hemibody, or have a cheiro-oral distribution [5, 7, 9, 10], being limited to the hand and the mouth or the perioral area of the same side. This particular distribution is related to damage to a restricted sector of fibers of the trigeminothalamic tract.

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Azouvi P, Tougeron A, Hussonois C, Schouman-Claeys E, Bussel B, Held JP: Pure sensory stroke due to midbrain haemorrhage limited to the spinothalamic pathway. J Neurol Neurosurg Psychiatry 1989;52:1427–1428.
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Iwasaki Y, Kinoshita M, Ikeda K, Takamaiya K, Shiojima T: Pure sensory stroke and cheiro-oral syndrome. J Neurol 1989;236:186–187.
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Kawakami Y, Chikama M, Tanimoto T, Shimamura Y: Radiological studies of the cheiro-oral syndrome. J Neurol 1989;236:177–181.
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Alvarez-Sabin J, Montalbán J, Tintoré M, Codina A: Pure sensory stroke due to midbrain haemorrhage. J Neurol Neurosurg Psychiatry 1991;54:843.
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Kim JS, Jo KD: Pure lemniscal sensory deficit caused by pontine hemorrhage. Stroke 1992;23:300–301.
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Kim JS: Restricted acral sensory syndrome following minor stroke. Stroke 1994;25:2497–2502.
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