Journals / Phoenix Medical Journal / 2023 / Cilt: 5 Sayı: 1

Two Rare Presentations of Pontine Lesions: One-And-A-Half Syndrome and Eight-And-A-Half Syndrome

Pons Lezyonlarının İki Nadir Prezentasyonu: Bir Buçuk Ve Sekiz Buçuk Sendromu

Pages
49–52
Publication Date
2023-03-01
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

We presented two cases with one-and-a-half and eight-and-a-half syndromes with ischemic infarction and hemorrhage in pons, respectively.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:One-and-a-half syndrome refers to a unilateral lesion involving the ipsilateral medial longitudinal fascicle and the 6th cranial nevre nucleus and/or the paramedian pontine reticular formation.
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Key Findings & Data:Eight-and-a-half syndrome is a syndrome in which one-and-a-half syndrome and ipsilateral 7th cranial nevre palsy are seen together.
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Conclusion & Impact:We presented two cases with one-and-a-half and eight-and-a-half syndromes with ischemic infarction and hemorrhage in pons, respectively.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Beyinsapı · infarkt · pons

Abstract

One-and-a-half syndrome refers to a unilateral lesion involving the ipsilateral medial longitudinal fascicle and the 6th cranial nevre nucleus and/or the paramedian pontine reticular formation. Eight-and-a-half syndrome is a syndrome in which one-and-a-half syndrome and ipsilateral 7th cranial nevre palsy are seen together. These rare conditions result from limited lesions of the pontine tegmentum. We presented two cases with one-and-a-half and eight-and-a-half syndromes with ischemic infarction and hemorrhage in pons, respectively.

Özet

Bir buçuk sendromu, ipsilateral medial longitudinal fasikül ve 6. kraniyal sinir çekirdeği ve/veya paramedian pontin retiküler formasyonu içeren tek taraflı bir lezyonu ifade eder. Sekiz buçuk sendromu ise bir buçuk sendromu ile ipsilateral 7. kraniyal sinir felcinin birlikte görüldüğü bir klinik durumdur. Bu nadir tablolar ponsun tegmentumuna yerleşik lezyonlardan kaynaklanır. Burada; ponsta sırasıyla iskemik infarktüs ve hemorajisi olan bir buçuk ve sekiz buçuk sendromlu iki olguyu sunduk.

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Cite This Article

DÖLEK, T., AKGÜN, A. Ö., BEK, V. S., KUTLU, G. (2023). Two Rare Presentations of Pontine Lesions: One-And-A-Half Syndrome and Eight-And-A-Half Syndrome. Phoenix Medical Journal, Cilt: 5 Sayı: 1, 49–52. https://ajindex.com/articles/936994

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References (2)

  1. Fisher CM. Some neuro-ophthalmological observations. J Neurol Neurosurg Psychiatry. 1967;30:383–392. doi:10.1136/jnnp.30.5.383. E Eggenberger. Eight-and-a-half syndrome: one-and-a-half syndrome plus cranial nerve VII palsy. J Neuroophthalmol. 1998;18(2):114-6.
  2. Wei Li, Deren Hou, Yanyao Deng, Yi Tian. Eight-and-a-Half Syndrome: A Combination of Intracranial Capillary Telangiectasia and Hematencephalon. J Stroke Cerebrovasc Dis. 2018;27(7):e135-e137. doi: 10.1016/j.jstrokecerebrovasdis.2018.02.020 Xia NG, Chen YY, Li J, Chen X, Ye ZS, Chen SY, et al. Eight-and-a-half syndrome caused by a pontine haemorrhage: a case report and review of the literature. Int J Neurosci. 2018;128(8):746-750. doi: 10.1080/00207454.2017.