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Lee C, Yoon SY, Lee SW, Jeong SY, Park E, Hwang JH, Park KS, Kang K. Shunt-Responsive Idiopathic Normal Pressure Hydrocephalus Patient With Parkinson's Disease-Compatible Findings on Dopamine Transporter Scans. Dement Neurocogn Disord 2024; 23:161-163. [PMID: 39113751 PMCID: PMC11300687 DOI: 10.12779/dnd.2024.23.3.161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 06/03/2024] [Accepted: 06/06/2024] [Indexed: 08/10/2024] Open
Affiliation(s)
- Chaejin Lee
- Department of Neurosurgery, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Sang-Youl Yoon
- Department of Neurosurgery, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Sang-Woo Lee
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Shin Young Jeong
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Eunhee Park
- Department of Rehabilitation Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Jeong-Hyun Hwang
- Department of Neurosurgery, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Ki-Su Park
- Department of Neurosurgery, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Kyunghun Kang
- Department of Neurology, School of Medicine, Kyungpook National University, Daegu, Korea
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Sung C, Oh SJ, Kim JS. Imaging Procedure and Clinical Studies of [ 18F]FP-CIT PET. Nucl Med Mol Imaging 2024; 58:185-202. [PMID: 38932763 PMCID: PMC11196481 DOI: 10.1007/s13139-024-00840-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 12/15/2023] [Accepted: 01/05/2024] [Indexed: 06/28/2024] Open
Abstract
N-3-[18F]fluoropropyl-2β-carbomethoxy-3β-4-iodophenyl nortropane ([18F]FP-CIT) is a radiopharmaceutical for dopamine transporter (DAT) imaging using positron emission tomography (PET) to detect dopaminergic neuronal degeneration in patients with parkinsonian syndrome. [18F]FP-CIT was granted approval by the Ministry of Food and Drug Safety in 2008 as the inaugural radiopharmaceutical for PET imaging, and it has found extensive utilization across numerous institutions in Korea. This review article presents an imaging procedure for [18F]FP-CIT PET to aid nuclear medicine physicians in clinical practice and systematically reviews the clinical studies associated with [18F]FP-CIT PET.
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Affiliation(s)
- Changhwan Sung
- Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
| | - Seung Jun Oh
- Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
| | - Jae Seung Kim
- Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
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Ohba M, Kobayashi R, Iseki C, Kirii K, Morioka D, Otani K, Ohta Y, Sonoda Y, Suzuki K, Kanoto M. Effect of cerebrospinal fluid area mask correction on 123I-FP-CIT SPECT images in idiopathic normal pressure hydrocephalus. BMC Med Imaging 2023; 23:81. [PMID: 37312030 DOI: 10.1186/s12880-023-01038-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 05/30/2023] [Indexed: 06/15/2023] Open
Abstract
BACKGROUND Cerebrospinal fluid (CSF) area mask correction reduces the influence of low [123I]-N-fluoropropyl-2b-carbomethoxy-3b-(4-iodophenyl) nortropane (123I-FP-CIT) accumulation in the volume of interest (VOI) by CSF area dilatation on the specific binding ratio (SBR) calculated using the Southampton method. We assessed the effect of CSF area mask correction on the SBR for idiopathic normal pressure hydrocephalus (iNPH) characterized by CSF area dilatation. METHODS We enrolled 25 patients with iNPH who were assessed using 123I-FP-CIT single-photon emission computed tomography (SPECT) before shunt surgery or the tap test. The SBRs with and without CSF area mask correction were calculated, and changes in quantitative values were verified. Additionally, the number of voxels in the striatal and background (BG) VOI before and after CSF area mask correction were extracted. The number of voxels after correction was subtracted from that before correction, and the volume removed by the CSF area mask correction was calculated. The volumes removed from each VOI were compared to verify their effect on SBR. RESULTS The images of 20 and 5 patients with SBRs that were decreased and increased, respectively, by CSF area mask correction showed that the volumes removed from the BG region VOI were higher and lower, respectively than those in the striatal region. CONCLUSIONS The SBR before and after CSF area mask correction was associated with the ratio of the volume removed from the striatal and BG VOIs, and the SBR was high or low according to the ratio. The results suggest that CSF area mask correction is effective in patients with iNPH. TRIAL REGISTRATION This study was registered in the UMIN Clinical Trials Registry (UMIN-CTR) as UMIN study ID: UMIN000044826. 11/07/2021.
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Affiliation(s)
- Makoto Ohba
- Department of Radiology, Yamagata University Hospital, Yamagata, Japan.
| | - Ryota Kobayashi
- Department of Psychiatry, Yamagata University School of Medicine, Yamagata, Japan.
| | - Chifumi Iseki
- Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Kazukuni Kirii
- Division of Diagnostic Radiology, Department of Radiology, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Daichi Morioka
- Department of Psychiatry, Yamagata University School of Medicine, Yamagata, Japan
| | - Koichi Otani
- Department of Psychiatry, Yamagata University School of Medicine, Yamagata, Japan
| | - Yasuyuki Ohta
- Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Yukihiko Sonoda
- Department of Neurosurgery, Yamagata University School of Medicine, Yamagata, Japan
| | - Koji Suzuki
- Department of Radiology, Yamagata University Hospital, Yamagata, Japan
| | - Masafumi Kanoto
- Division of Diagnostic Radiology, Department of Radiology, Yamagata University Faculty of Medicine, Yamagata, Japan
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Yamazaki N, Hasegawa T, Ikeda K, Miyata A, Osawa SI, Niizuma K, Kanno S, Tominaga T, Aoki M. Olfactory Dysfunction, an Often Neglected Symptom of Hydrocephalus: Experience from a Case of Late-Onset Idiopathic Aqueductal Stenosis. Case Rep Neurol 2023; 15:41-47. [PMID: 36873620 PMCID: PMC9978917 DOI: 10.1159/000529532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 02/01/2023] [Indexed: 03/05/2023] Open
Abstract
Disturbance of smell is often accompanied with common neurodegenerative diseases such as Parkinson's and Alzheimer's diseases. In addition, patients with head trauma, intracranial tumors, and hydrocephalus can also develop olfactory dysfunction, and some of which can improve with treatment of the underlying disease. In clinical practice, few patients complain of smell disturbances, thus olfactory dysfunction is often overshadowed by visible motor symptoms. Herein, we report a case of late-onset idiopathic aqueductal stenosis, a rare form of adult-onset hydrocephalus in which olfactory dysfunction and gait disturbance was markedly improved after endoscopic ventriculostomy. This case report is expected to make more physicians aware that hydrocephalus can cause olfactory dysfunction and that it can be corrected postoperatively. Furthermore, in addition to motor and neuropsychological function, olfactory function test might be useful for functional assessment before and after surgical treatment of hydrocephalus.
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Affiliation(s)
- Naoya Yamazaki
- Department of Neurology, Tohoku University School of Medicine, Sendai, Japan
| | - Takafumi Hasegawa
- Department of Neurology, Tohoku University School of Medicine, Sendai, Japan
| | - Kensuke Ikeda
- Department of Neurology, Tohoku University School of Medicine, Sendai, Japan
| | - Ako Miyata
- Department of Neurology, Tohoku University School of Medicine, Sendai, Japan
| | - Shin-Ichiro Osawa
- Department of Neurosurgery, Tohoku University School of Medicine, Sendai, Japan
| | - Kuniyasu Niizuma
- Department of Neurosurgery, Tohoku University School of Medicine, Sendai, Japan
| | - Shigenori Kanno
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University School of Medicine, Sendai, Japan
| | - Teiji Tominaga
- Department of Neurosurgery, Tohoku University School of Medicine, Sendai, Japan
| | - Masashi Aoki
- Department of Neurology, Tohoku University School of Medicine, Sendai, Japan
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Sakurai A, Tsunemi T, Shimada T, Kawamura K, Nakajima M, Miyajima M, Hattori N. Effect of comorbid Parkinson's disease and Parkinson's disease dementia on the course of idiopathic normal pressure hydrocephalus. J Neurosurg 2022; 137:1302-1309. [PMID: 35276660 DOI: 10.3171/2022.1.jns212282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 01/10/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The objective of this study was to analyze the effect of concomitant Parkinson's disease (PD) and PD dementia (PD/PDD) on the course of idiopathic normal pressure hydrocephalus (iNPH), especially as related to the outcome of lumboperitoneal shunt (LPS) surgery. METHODS The authors retrospectively analyzed patients with iNPH without accompanying disorders (iNPH alone [iNPHa]) and iNPH concomitant with PD/PDD (iNPHc+PD/PDD) who had presented to their department between 2010 and 2019. The diagnosis of iNPHc+PD/PDD was established using the diagnostic criteria of the Movement Disorder Society. The effect of LPS surgery on clinical symptoms and striatum volumes was evaluated. RESULTS Thirty-three patients with iNPHa and 23 patients with iNPHc+PD/PDD were identified. Comorbid PD/PDD significantly worsened clinical outcome as measured by the iNPH grading scale, modified Rankin Scale (mRS), and Hoehn and Yahr (HY) scale. LPS surgery improved the iNPH score including gait disturbance (p < 0.01), cognitive impairment (p = 0.02), and urinary disturbance (p < 0.01) in iNPHa and improved gait disturbance (p = 0.01) and urinary disturbance (p = 0.03) in iNPHc+PD/PDD for 1 year. Comorbid synucleinopathies maintained worse mRS scores and HY stages for 3 years, and LPS surgery extended overall survival (p = 0.003), as well as the period of sustained mRS scores (p = 0.04) and HY stages (p = 0.004) in iNPHc+PD/PDD. Both caudate and putamen volumes were reduced in iNPHa (p < 0.01) compared to those in controls and in patients with iNPHc+PD/PDD compared to those in patients with PD/PDD (p < 0.01), and LPS surgery restored caudate volumes in both groups. CONCLUSIONS These results revealed that comorbid PD/PDD deteriorates the clinical course of iNPH and that LPS surgery is recommended regardless of this comorbidity.
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Affiliation(s)
- Anri Sakurai
- 1Department of Neurology, Juntendo University School of Medicine, Tokyo
| | - Taiji Tsunemi
- 1Department of Neurology, Juntendo University School of Medicine, Tokyo
| | - Tomoyo Shimada
- 1Department of Neurology, Juntendo University School of Medicine, Tokyo
| | - Kaito Kawamura
- 2Department of Neurosurgery, Juntendo University School of Medicine, Tokyo; and
| | - Madoka Nakajima
- 2Department of Neurosurgery, Juntendo University School of Medicine, Tokyo; and
| | - Masakazu Miyajima
- 3Department of Neurosurgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
| | - Nobutaka Hattori
- 1Department of Neurology, Juntendo University School of Medicine, Tokyo
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Onder H, Poyraz U, Comoglu S. The investigation of the gait parameter alterations in response to levodopa therapy and tap test in patients with idiopathic normal pressure hydrocephalus. Neurol Sci 2022; 43:6813-6820. [DOI: 10.1007/s10072-022-06361-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 08/18/2022] [Indexed: 12/01/2022]
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Langheinrich T, Chen C, Thomas O. Update on the Cognitive Presentations of iNPH for Clinicians. Front Neurol 2022; 13:894617. [PMID: 35937049 PMCID: PMC9350547 DOI: 10.3389/fneur.2022.894617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 05/19/2022] [Indexed: 11/16/2022] Open
Abstract
This mini-review focuses on cognitive impairment in iNPH. This symptom is one of the characteristic triad of symptoms in a condition long considered to be the only treatable dementia. We present an update on recent developments in clinical, neuropsychological, neuroimaging and biomarker aspects. Significant advances in our understanding have been made, notably regarding biomarkers, but iNPH remains a difficult diagnosis. Stronger evidence for permanent surgical treatment is emerging but selection for treatment remains challenging, particularly with regards to cognitive presentations. Encouragingly, there has been increasing interest in iNPH, but more research is required to better define the underlying pathology and delineate it from overlapping conditions, in order to inform best practise for the clinician managing the cognitively impaired patient. In the meantime, we strongly encourage a multidisciplinary approach and a structured service pathway to maximise patient benefit.
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Affiliation(s)
- Tobias Langheinrich
- Department of Neurology, Manchester Centre for Clinical Neurosciences, Salford Royal NHS Foundation Trust, Salford, United Kingdom
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, University of Manchester, Manchester, United Kingdom
- *Correspondence: Tobias Langheinrich
| | - Cliff Chen
- Department of Neuropsychology, Manchester Centre for Clinical Neurosciences, Salford Royal NHS Foundation Trust, Salford, United Kingdom
| | - Owen Thomas
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, University of Manchester, Manchester, United Kingdom
- Department of Neuroradiology, Manchester Centre for Clinical Neurosciences, Salford Royal NHS Foundation Trust, Salford, United Kingdom
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Han SW, Park YH, Ryoo N, Kim K, Pyun JM, Kim S. Pearls & Oy-sters: Idiopathic Normal Pressure Hydrocephalus With Synucleinopathy: Diagnosis and Treatment. Neurology 2021; 97:196-199. [PMID: 33931530 DOI: 10.1212/wnl.0000000000012099] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Sang-Won Han
- From the Department of Neurology, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Republic of Korea
| | - Young Ho Park
- From the Department of Neurology, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Republic of Korea.
| | - Nayoung Ryoo
- From the Department of Neurology, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Republic of Korea
| | - Kitae Kim
- From the Department of Neurology, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Republic of Korea
| | - Jung-Min Pyun
- From the Department of Neurology, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Republic of Korea
| | - SangYun Kim
- From the Department of Neurology, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Republic of Korea
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