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  1. Article: Spindle cell oncocytoma of the pituitary tumor: A rare case report and literature reviews.

    Chang, Chia Ning / Shen, Chiung Chyi

    Frontiers in surgery

    2023  Volume 9, Page(s) 1021680

    Abstract: Introduction: Spindle cell oncocytoma (SCO) of the pituitary gland is increasingly established with improvements in histological and immunohistochemical examination. However, the diagnosis was often mistaken based on imaging studies and nonspecific ... ...

    Abstract Introduction: Spindle cell oncocytoma (SCO) of the pituitary gland is increasingly established with improvements in histological and immunohistochemical examination. However, the diagnosis was often mistaken based on imaging studies and nonspecific clinical manifestations.
    Purpose: This case is presented to provide an overview of the characteristics of the rare tumor as well as to demonstrate the difficulties in diagnosis and current treatments.
    Clinical discussion: The pathogenesis of SCO remains unclear, and a possible origin was described. Further research is needed to optimize pre-operative diagnosis and surgical strategy.
    Conclusion: SCO should be considered when images indicate some features. Gross total resection (GTR) after surgery seems to have better long-term tumor control, and radiotherapy may help decrease tumor progression in patients with non-GTR. Regular follow-up is advised because of the higher recurrence rate.
    Language English
    Publishing date 2023-01-30
    Publishing country Switzerland
    Document type Case Reports
    ZDB-ID 2773823-1
    ISSN 2296-875X
    ISSN 2296-875X
    DOI 10.3389/fsurg.2022.1021680
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  2. Article ; Online: Letter to the Editor. Lateral spread responses in predicting MVD outcomes.

    Cheng, Wen-Yu / Shen, Chiung-Chyi / Liao, Chih-Hsiang

    Journal of neurosurgery

    2024  , Page(s) 1–2

    Language English
    Publishing date 2024-04-26
    Publishing country United States
    Document type Journal Article ; Letter
    ZDB-ID 3089-2
    ISSN 1933-0693 ; 0022-3085
    ISSN (online) 1933-0693
    ISSN 0022-3085
    DOI 10.3171/2024.2.JNS24311
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  3. Article: Middle cranial fossa tumor presenting as chronic otitis media: Rare case of aneurysmal bone cyst.

    Shen, Chia-Fang / Yang, Chin-Chan / Liu, Szu-Yuan / Shen, Chiung-Chyi

    International journal of surgery case reports

    2023  Volume 112, Page(s) 108996

    Abstract: Introduction: Aneurysmal bone cysts (ABCs) are a rare, vascular, rapidly growing, benign, osteolytic lesions. Most ABCs involve the metaphysis of long bones, vertebrae, or flat bones. In this study, we review the literature to better understand the ... ...

    Abstract Introduction: Aneurysmal bone cysts (ABCs) are a rare, vascular, rapidly growing, benign, osteolytic lesions. Most ABCs involve the metaphysis of long bones, vertebrae, or flat bones. In this study, we review the literature to better understand the natural history, clinical presentation, and treatments.
    Presentation of case: A 34-year-old man who presented with left intermittent otorrhea for months. Yellowish, pus-like discharge was noted. Mild tinnitus, hearing loss, and occasional headache was also found. The initial impression was chronic otitis media and ear drops were prescribed. However, his symptoms did not improve in the following months. The brain MRI with gadolinium enhancement revealed an extra-axial mixed signal intensity lesion on the T2-weighted image, multiloculated cystic components and rim enhancement was noted over the left middle cranial fossa. Left fronto-temporal craniotomy for tumor removal was performed. The pathological reports revealed an aneurysmal bone cyst.
    Clinical discussion: Typically, ABCs present with localized swelling and pain due to their rapid growth and expansion, with concomitant signs corresponding with the anatomical location of the lesion. MRI studies can reveal the cystic components of the lesion and multiple fluid levels within multiloculated cysts resulting from unclotted blood, separated from the soft tissue and medullary bone. Histopathologic diagnosis of ABC is the presence of multiple blood-filled cystic spaces separated by fibrous septa. The fibrous septa are composed of spindle-celled fibroconnective tissue with occasional osteoclast-type giant cells.
    Conclusion: ABCs are a rare, osteolytic lesions that rarely involve the skull. When the MRI shows a lesion with soap-bubble appearance in the calvaria, an aneurysmal bone cyst should be considered in the differential diagnosis, even if it is an extremely rare entity or the patient is relatively old. Surgical resection of the tumor is the first choice for treatment.
    Language English
    Publishing date 2023-10-27
    Publishing country Netherlands
    Document type Case Reports
    ISSN 2210-2612
    ISSN 2210-2612
    DOI 10.1016/j.ijscr.2023.108996
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  4. Article ; Online: A modified mini-open far lateral approach to treat spinal neurenteric cyst at craniocervical junction: A case report.

    Lee, Cheng-Ying / Lin, Mao-Shih / Tang, Chien-Lun / Shen, Chiung-Chyi

    Asian journal of surgery

    2023  Volume 46, Issue 8, Page(s) 3130–3131

    MeSH term(s) Humans ; Neural Tube Defects/surgery ; Cervical Vertebrae/surgery ; Magnetic Resonance Imaging
    Language English
    Publishing date 2023-03-04
    Publishing country Netherlands
    Document type Case Reports ; Letter
    ZDB-ID 1068461-x
    ISSN 0219-3108 ; 1015-9584
    ISSN (online) 0219-3108
    ISSN 1015-9584
    DOI 10.1016/j.asjsur.2023.02.081
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  5. Article ; Online: Intraoperative augmented reality in minimally invasive spine surgery: A case report.

    Li, Chi-Ruei / Shen, Chiung-Chyi / Yang, Meng-Yin / Lee, Chung-Hsin

    Asian journal of surgery

    2023  Volume 46, Issue 7, Page(s) 2825–2826

    MeSH term(s) Humans ; Augmented Reality ; Spine/surgery ; Minimally Invasive Surgical Procedures ; Surgery, Computer-Assisted
    Language English
    Publishing date 2023-02-01
    Publishing country Netherlands
    Document type Case Reports ; Letter
    ZDB-ID 1068461-x
    ISSN 0219-3108 ; 1015-9584
    ISSN (online) 0219-3108
    ISSN 1015-9584
    DOI 10.1016/j.asjsur.2023.01.062
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  6. Article ; Online: Successful management of intracranial hemorrhage in a patient with COVID-19 vaccine-induced immune thrombotic thrombocytopenia and cerebral venous thrombosis.

    Shen, Chia-Fang / Lin, Mao-Shih / Shen, Chiung-Chyi / Yang, Meng-Yin

    Asian journal of surgery

    2022  Volume 45, Issue 12, Page(s) 2838–2839

    MeSH term(s) Humans ; COVID-19 Vaccines/adverse effects ; COVID-19 ; Intracranial Thrombosis ; Thrombocytopenia ; Intracranial Hemorrhages/chemically induced ; Thrombosis ; Venous Thrombosis/etiology
    Chemical Substances COVID-19 Vaccines
    Language English
    Publishing date 2022-06-20
    Publishing country China
    Document type Letter
    ZDB-ID 1068461-x
    ISSN 0219-3108 ; 1015-9584
    ISSN (online) 0219-3108
    ISSN 1015-9584
    DOI 10.1016/j.asjsur.2022.06.058
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  7. Article: Dumbbell-shaped meningioma of Meckel's cave mimicking trigeminal schwannoma: A case report.

    Chang, Chun-Pi / Chang, Cheng-Siu / Yang, Meng-Yin / Shen, Chiung-Chyi

    International journal of surgery case reports

    2022  Volume 97, Page(s) 107369

    Abstract: Introduction and importance: Several meningioma cases arising through Meckel's cave (MC) at the middle and posterior fossa have been reported. However, few relevant meningiomas have been observed with a dumbbell shape.: Presentation of case: We ... ...

    Abstract Introduction and importance: Several meningioma cases arising through Meckel's cave (MC) at the middle and posterior fossa have been reported. However, few relevant meningiomas have been observed with a dumbbell shape.
    Presentation of case: We report a rare case of a 36-year-old woman with a meningioma of MC with a typical dumbbell-shaped, schwannoma-like presentation on magnetic resonance imaging (MRI), resulting in a misleading differential diagnosis.
    Clinical discussion: In this case report, we discuss the characteristics of meningioma of MC observed on MRI and our surgical approach to this condition.
    Conclusion: This tumor was able to mimic a trigeminal schwannoma both clinically and radiographically. This case report has been reported in line with the SCARE 2020 criteria [1].
    Language English
    Publishing date 2022-07-05
    Publishing country Netherlands
    Document type Journal Article
    ISSN 2210-2612
    ISSN 2210-2612
    DOI 10.1016/j.ijscr.2022.107369
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  8. Article: Collision brain tumor with atypical meningioma and glioblastoma: Case report.

    Lin, Mao-Shih / Lee, Chung-Hsin / Chen, Se-Yi / Shen, Chiung-Chyi

    International journal of surgery case reports

    2022  Volume 94, Page(s) 107137

    Abstract: Introduction: Intracranial collision tumors are rare diseases in which two distinct neoplasms are found at the same location. We present an unusual case of an intracranial collision tumor composed of atypical meningioma (WHO grade II) and glioblastoma.!# ...

    Abstract Introduction: Intracranial collision tumors are rare diseases in which two distinct neoplasms are found at the same location. We present an unusual case of an intracranial collision tumor composed of atypical meningioma (WHO grade II) and glioblastoma.
    Presentation of case: The case was a 56-year-old woman hospitalized due to generalized weakness and dizziness. Imaging survey revealed a right frontal lobe extra-axial mass with significant perilesional edema. The patient underwent a one-stage craniotomy for tumor removal. The pathology revealed collision brain tumors of clear cell atypical meningioma (WHO grade II) and glioblastoma. The patient had an uneventful postoperative recovery.
    Clinical discussion: The mechanism behind collision brain tumors remains unclear, and some experts consider these tumors sporadic events. Further research is needed to optimize preoperative diagnosis and surgical strategy for collision brain tumor patients.
    Conclusion: Surgeon should consider intracranial collision tumors when brain image indicated unusual perilesional edema of meningioma. Though there is no standard treatment for these patients, it seems one-staged surgical treatment is feasible. To our knowledge this is the first case of collision tumors with clear cell atypical meningioma (WHO grade II) and glioblastoma.
    Language English
    Publishing date 2022-05-04
    Publishing country Netherlands
    Document type Journal Article
    ISSN 2210-2612
    ISSN 2210-2612
    DOI 10.1016/j.ijscr.2022.107137
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  9. Article: Intraoperative Augmented Reality in Microsurgery for Intracranial Arteriovenous Malformation: A Case Report and Literature Review.

    Li, Chi-Ruei / Shen, Chiung-Chyi / Yang, Meng-Yin / Tsuei, Yuang-Seng / Lee, Chung-Hsin

    Brain sciences

    2023  Volume 13, Issue 4

    Abstract: Background: Intracranial arteriovenous malformations (AVMs) are lesions containing complex vessels with a lack of buffering capillary architecture which might result in hemorrhagic cerebrovascular accidents (CVAs). Intraoperative navigation can improve ... ...

    Abstract Background: Intracranial arteriovenous malformations (AVMs) are lesions containing complex vessels with a lack of buffering capillary architecture which might result in hemorrhagic cerebrovascular accidents (CVAs). Intraoperative navigation can improve resection rates and functional preservation in patients with lesions in eloquent areas, but current systems have limitations that can distract the operator. Augmented Reality (AR) surgical technology can reduce these distractions and provide real-time information regarding vascular morphology and location.
    Methods: In this case report, an adult patient was admitted to the emergency department after a fall, and diagnostic imaging revealed a Spetzler-Martin grade I AVM in the right parietal region with evidence of rupture. The patient underwent a stereotactic microsurgical resection with assistance from augmented reality technology, which allowed for a hologram of the angioarchitecture to be projected onto the cortical surface, aiding in the recognition of the angiographic anatomy during surgery.
    Results: The patient's postoperative recovery went smoothly. At 6-month follow-up, the patient had remained in stable condition, experiencing complete relief from his previous symptoms. The follow-up examination also revealed complete obliteration of the AVMs without any remaining pathological vascular structure.
    Conclusions: AR-assisted microsurgery makes both the dissection and resection steps safer and more delicate. As several innovations are occurring in AR technology today, it is likely that this novel technique will be increasingly adopted in both surgical applications and education. Although certain limitations exist, this technique may still become more efficient and precise as this novel technology its continues to develop further.
    Language English
    Publishing date 2023-04-13
    Publishing country Switzerland
    Document type Case Reports
    ZDB-ID 2651993-8
    ISSN 2076-3425
    ISSN 2076-3425
    DOI 10.3390/brainsci13040653
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  10. Article ; Online: A Rare Triploid Involving the Coexistence of Glioblastoma Multiforme, Arteriovenous Malformation and Intracranial Aneurysm: Illustrative Case and Literature Review.

    Li, Chi-Ruei / Chen, Se-Yi / Yang, Meng-Yin / Cheng, Wen-Yu / Shen, Chiung-Chyi

    Medicina (Kaunas, Lithuania)

    2023  Volume 59, Issue 2

    Abstract: The coexistence of glioblastoma multiforme (GBM) and arteriovenous malformation (AVM) is rarely reported in the literature. According to the present literature, these GBM or glioma-related vascular malformations may present simultaneously in distinct ... ...

    Abstract The coexistence of glioblastoma multiforme (GBM) and arteriovenous malformation (AVM) is rarely reported in the literature. According to the present literature, these GBM or glioma-related vascular malformations may present simultaneously in distinct regions of the brain or occur in the same area but at different times. So far, these distinct hypervascular glioblastomas have been described but are not classified as a separate pathological entities. Considering their heterogeneity and complexity, all the above mentioned cases remain challenging in diagnosis and therapeutic modality. Likewise, there is a paucity of data surrounding the simultaneous presentation of GBM with intracranial aneurysms. In the literature, the independent concurrence of these three intracranial lesions has never been reported. In this article, we present a case who suffered from intermittent headaches and dizziness initially and further radiographic examination revealed an internal carotid artery (ICA) aneurysm that occurred in the patient with coexisting GBM and AVM. Surgical intervention for tumor and AVM removal was performed smoothly. This patient underwent endovascular coiling for the ICA aneurysm 4 months postoperatively. In addition, we also review the current literature relating to this rare combination of medical conditions.
    MeSH term(s) Humans ; Intracranial Aneurysm ; Intracranial Arteriovenous Malformations/complications ; Intracranial Arteriovenous Malformations/diagnosis ; Intracranial Arteriovenous Malformations/surgery ; Glioblastoma ; Triploidy ; Brain
    Language English
    Publishing date 2023-02-10
    Publishing country Switzerland
    Document type Review ; Case Reports
    ZDB-ID 2188113-3
    ISSN 1648-9144 ; 1010-660X
    ISSN (online) 1648-9144
    ISSN 1010-660X
    DOI 10.3390/medicina59020331
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