{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T23:13:19Z","timestamp":1790809999699,"version":"4.1.0"},"reference-count":0,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"7","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Stroke"],"published-print":{"date-parts":[[1994,7]]},"abstract":"<jats:p>We conducted this retrospective study to evaluate the clinical, neuroradiological, and neurophysiological findings in patients with pure sensory stroke due to pontine lacuna.<\/jats:p>\n          <jats:p>Four patients with pontine lacuna, three men and one woman (mean age, 64.5 years; range, 55 to 75 years), were evaluated. Magnetic resonance images were obtained with a 0.5-T superconducting magnet using the SE technique. Short-latency somatosensory evoked potentials were evaluated by unilateral stimulation of the median nerve at the wrist. These tests were done at a mean of 22.5 months (range, 9 to 34 months) after symptom onset. Deep sensory disturbances were present in one half of the patient's body with no other neurological deficits found. The sensory deficit was characterized by a prolonged period of refractory dysesthesia and a discrepancy between the superficial and deep sensory disturbances. Lesions were localized in the medial lemniscus of the middle and lower pons, with a sparing of the spinothalamic tracts. The central conduction times of short-latency somatosensory evoked potentials were prolonged (patients 1, 2, and 4), and the amplitudes were significantly reduced (patients 1 and 2) when stimulating the paresthetic-sided median nerve (contralateral side of the lesion) compared with stimulating the other side.<\/jats:p>\n          <jats:p>In all cases, the clinical and radiological findings indicated a dysfunction of the medial lemniscal tract in the pons. The observed somatosensory evoked potentials were probably related to the persistent refractory dysesthesias present in these patients.<\/jats:p>","DOI":"10.1161\/01.str.25.7.1512","type":"journal-article","created":{"date-parts":[[2011,6,17]],"date-time":"2011-06-17T20:08:03Z","timestamp":1308341283000},"page":"1512-1515","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":26,"title":["Pure sensory stroke caused by a pontine infarct. Clinical, radiological, and physiological features in four patients."],"prefix":"10.1161","volume":"25","author":[{"given":"S","family":"Shintani","sequence":"first","affiliation":[{"name":"Department of Neurology, Toride Kyodo General Hospital, Ibaraki, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S","family":"Tsuruoka","sequence":"additional","affiliation":[{"name":"Department of Neurology, Toride Kyodo General Hospital, Ibaraki, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T","family":"Shiigai","sequence":"additional","affiliation":[{"name":"Department of Neurology, Toride Kyodo General Hospital, Ibaraki, Japan."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","container-title":["Stroke"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.ahajournals.org\/doi\/pdf\/10.1161\/01.STR.25.7.1512","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,5,12]],"date-time":"2024-05-12T22:41:49Z","timestamp":1715553709000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ahajournals.org\/doi\/10.1161\/01.STR.25.7.1512"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1994,7]]},"references-count":0,"journal-issue":{"issue":"7","published-print":{"date-parts":[[1994,7]]}},"alternative-id":["10.1161\/01.STR.25.7.1512"],"URL":"https:\/\/doi.org\/10.1161\/01.str.25.7.1512","relation":{},"ISSN":["0039-2499","1524-4628"],"issn-type":[{"value":"0039-2499","type":"print"},{"value":"1524-4628","type":"electronic"}],"subject":[],"published":{"date-parts":[[1994,7]]},"assertion":[{"value":"1994-07-01","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}