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Rima S, Rao S, Nigam P, Kacchara R. Primary papillary epithelial tumor of the sella: a case report of an emerging tumor type. Brain Tumor Pathol 2024; 41:30-34. [PMID: 38091172 DOI: 10.1007/s10014-023-00472-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 12/06/2023] [Indexed: 01/09/2024]
Abstract
Primary papillary epithelial tumor of the sella (PPETS) is a newly described tumor entity with prototypical location in the sella. Only two case series with ten cases have been described so far. These tumours have a typical papillary architecture with bland nuclear features, TTF-1 immunopositivity and low MIB-1-labelling index. Many of these tumours were previously assigned under the category of 'ectopic choroid plexus papilloma'. PPETS expands the group of TTF-1 positive tumours of the central nervous system. Histomorphology plays an essential role in making this diagnosis. We report a case of 44-year-old female with a sellar mass lesion, who presented with progressive loss of vision and diagnosed as primary papillary epithelial tumor.
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Affiliation(s)
- S Rima
- Department of Neuropathology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Shilpa Rao
- Department of Neuropathology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India.
| | - Pulak Nigam
- Institute of Neurosciences, Medanta Super Speciality Hospital, Indore, Madhya Pradesh, India
| | - Rajneesh Kacchara
- Institute of Neurosciences, Medanta Super Speciality Hospital, Indore, Madhya Pradesh, India
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Azab WA, Khan T, Alqunaee M, Al Bader A, Yousef W. Endoscopic Endonasal Surgery for Uncommon Pathologies of the Sellar and Parasellar Regions. Adv Tech Stand Neurosurg 2023; 48:139-205. [PMID: 37770685 DOI: 10.1007/978-3-031-36785-4_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Endoscopic skull base surgery has become an integral part of the present neurosurgical armamentarium. The pioneering efforts in which the purely endoscopic transsphenoidal approach was introduced have triggered a growing tide of using the endoscopic endonasal procedures for a large variety of skull base lesions. Because of their anatomical peculiarities, lesions of the sellar and parasellar regions lend themselves very well to the endoscopic endonasal approaches. Apart from the common pathological entities, many other less frequent pathologies are encountered in the sellar and parasellar area. In this chapter, we review the surgical technique of the endoscopic endonasal transsphenoidal approach and its extensions applied to a variety of rare and uncommon pathological entities involving the sella turcica and clivus. An overview of these pathological entities is also presented and exemplified.
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Affiliation(s)
- Waleed A Azab
- Neurosurgery Department, Ibn Sina Hospital, Kuwait City, Kuwait
| | - Tufail Khan
- Neurosurgery Department, Ibn Sina Hospital, Kuwait City, Kuwait
| | - Marwan Alqunaee
- Rhinology - Endoscopic Sinus and Skull Base Surgery, Zain Hospital, Kuwait City, Kuwait
| | - Abdullah Al Bader
- Rhinology - Endoscopic Sinus and Skull Base Surgery, Jaber Al Ahmad Hospital, Kuwait City, Kuwait
| | - Waleed Yousef
- Neurosurgery Department, Ibn Sina Hospital, Kuwait City, Kuwait
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Zhao L, Jiang Y, Wang Y, Bai Y, Liu L, Li Y. Case Report: Sellar Ependymomas: A Clinic-Pathological Study and Literature Review. Front Endocrinol (Lausanne) 2021; 12:551493. [PMID: 34168614 PMCID: PMC8218727 DOI: 10.3389/fendo.2021.551493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 04/19/2021] [Indexed: 11/20/2022] Open
Abstract
Ependymomas are primary glial tumors arising from cells related to the ependymal lining of the ventricular system. They are classified into at least nine different molecular subtypes according to molecular phenotype, histological morphology, and tumor location. Primary sellar ependymoma is an extremely rare malignancy of the central nervous system, with only 12 known cases reported in humans. We herein report a case of ependymoma located at the pituitary region in a 44-year-old female patient and discuss the molecular subtype, natural history, clinical presentation, radiological findings, histological features, immunohistochemical characteristics, ultrastructural examinations, treatment, and prognosis of sellar ependymoma. This case report may serve as a helpful reference for clinicians and radiologists in clinical practice.
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Affiliation(s)
- Liyan Zhao
- Department of Clinical Laboratory, Second Hospital of Jilin University, Changchun, China
| | - Yining Jiang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, China
| | - Yubo Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, China
| | - Yang Bai
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, China
| | - Liping Liu
- Department of Clinical Laboratory, Second Hospital of Jilin University, Changchun, China
| | - Yunqian Li
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, China
- *Correspondence: Yunqian Li,
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Whipple SG, Savardekar AR, Rao S, Mahadevan A, Guthikonda B, Kosty JA. Primary Tumors of the Posterior Pituitary Gland: A Systematic Review of the Literature in Light of the New 2017 World Health Organization Classification of Pituitary Tumors. World Neurosurg 2020; 145:148-158. [PMID: 32916355 DOI: 10.1016/j.wneu.2020.09.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/02/2020] [Accepted: 09/04/2020] [Indexed: 01/18/2023]
Abstract
OBJECTIVE The rare clinical entity of primary posterior pituitary tumors (PPTs) includes pituicytomas, granular cell tumors, spine cell oncocytomas, and sellar ependymomas. The recent World Health Organization classification of PPTs based on thyroid transcription factor 1 positivity has led to more investigations into the epidemiology, clinical presentation, nature history, histologic features, and operative characteristics of these tumors. The aim of this review is to summarize the characteristics of primary PPTs. METHODS Our summary involved an in-depth review of the literature on PPTs. Our systematic review was carried out using the PubMed database and PRISMA guidelines. RESULTS An initial search identified 282 publications. After strict application of the inclusion criteria, we found 16 articles for case series of patients with primary PPT (N > 5), which were included in our table for literature review. An additional 10 articles were review articles on PPTs published in the last 20 years and were used as resource for our systematic review. An extensive analysis was then performed to extract relevant clinical data with respect to the clinical radiologic histopathologic profile of primary PPTs and their treatment outcome. CONCLUSIONS Primary PPTs are a rare group of pituicyte-derived low-grade nonneuroendocrine neoplasms that arise from the sellar region. The nondescript radiographic findings and subtle endocrine abnormalities also veil their accurate diagnostic prediction. As shown through the narrative as well as the literature review, there is still a lot to be understood about PPTs. A prospective multicenter registry of these rare tumors would benefit both the neurosurgical as well as the endocrinologic knowledge base.
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Affiliation(s)
- Stephen Garrett Whipple
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
| | - Amey R Savardekar
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
| | - Shilpa Rao
- Department of Neuropathology, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Anita Mahadevan
- Department of Neuropathology, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Bharat Guthikonda
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
| | - Jennifer A Kosty
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA.
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Roncaroli F, Chatterjee D, Giannini C, Pereira M, La Rosa S, Brouland JP, Gnanalingham K, Galli C, Fernandes B, Lania A, Radotra B. Primary papillary epithelial tumour of the sella: expanding the spectrum of TTF-1-positive sellar lesions. Neuropathol Appl Neurobiol 2020; 46:493-505. [PMID: 32311761 DOI: 10.1111/nan.12622] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/30/2020] [Accepted: 04/09/2020] [Indexed: 12/11/2022]
Abstract
AIM To describe four novel primary epithelial tumours of the sella with papillary architecture and Thyroid Transcription Factor 1 (TTF-1) expression. METHODS Paraffin-embedded tissue from the four cases and recurrence of patient 1 was investigated with haematoxylin-eosin, special histochemical stains, immunohistochemistry with a broad panel of antibodies and next-generation sequencing. The ultrastructure of one tumour was studied in tissue retrieved from paraffin. RESULTS The lesions occurred in three females aged 20, 26 and 42 years and a male aged 49 years. They presented with signs and symptoms secondary to pituitary stalk compression. Preoperative neuroimaging documented mixed solid and cystic, enhancing sellar masses with suprasellar extension. Histologically, the tumours showed thin papillae lined by a single layer of cytokeratin and TTF-1-positive cuboidal and cylindrical cells with mildly atypical nucleus. Next-generation sequencing performed in three cases did not identify any mutations. The main differential diagnosis included metastasis from lung or thyroid carcinoma, extraventricular choroid plexus papilloma and sellar ependymoma. CONCLUSION We suggest the descriptive term of primary papillary epithelial tumour of the sella (PPETS) for this entity and propose that it could represent the intracranial equivalent of thyroid-like low-grade nasopharyngeal papillary adenocarcinoma. The cell of origin of PPETS remains undetermined although the intense and ubiquitous expression of TTF-1 may suggest a derivation from the infundibulum or ventricular recess. Our study expands the spectrum of sellar TTF-1-positive tumour and challenges the view that they all derive from pituicytes.
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Affiliation(s)
- F Roncaroli
- Division of Neuroscience and Experimental Psychology, Faculty of Biology, Medicine and Health, School of Biology, University of Manchester, Manchester, UK
| | - D Chatterjee
- Deparment of Histopathology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - C Giannini
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, USA.,Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum, University of Bologna, Bologna, Italy
| | - M Pereira
- Manchester Centre for Genomic Medicine, St Mary's Hospital, Division of Evolution and Genomic Science, University of Manchester, Manchester, UK
| | - S La Rosa
- Institute of Pathology, University Hospital and University of Lausanne, Lausanne, Switzerland
| | - J P Brouland
- Institute of Pathology, University Hospital and University of Lausanne, Lausanne, Switzerland
| | - K Gnanalingham
- Department of Neurosurgery, Manchester Centre for Clinical Neurosciences, Salford Royal Foundation Trust, Salford, Manchester, UK
| | - C Galli
- Department of Histopathology, Humanitas University, Milan, Italy
| | - B Fernandes
- Department of Histopathology, Humanitas University, Milan, Italy
| | - A Lania
- Department of Endocrinology, Humanitas University, Milan, Italy
| | - B Radotra
- Deparment of Histopathology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
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Abushamat LA, Kerr JM, Lopes MBS, Kleinschmidt-DeMasters BK. Very Unusual Sellar/Suprasellar Region Masses: A Review. J Neuropathol Exp Neurol 2019; 78:673-684. [PMID: 31233145 DOI: 10.1093/jnen/nlz044] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 04/15/2019] [Accepted: 05/10/2019] [Indexed: 12/18/2022] Open
Abstract
The cause of sellar region masses in large retrospective series is overwhelmingly pituitary adenomas (84.6%), followed by craniopharyngiomas (3.2%), cystic nonneoplastic lesions (2.8%), inflammatory lesions (1.1%), meningiomas (0.94%), metastases (0.6%), and chordomas (0.5%) (1). While other rare lesions were also identified (collectively 6.0%), single unusual entities in the above-cited series numbered <1-2 examples each out of the 4122 cases, underscoring their rarity. We searched our joint files for rare, often singular, sellar/suprasellar masses that we had encountered over the past several decades in our own specialty, tertiary care specialty pituitary center practices. Cases for this review were subjectively selected for their challenging clinical and/or histological features as well as teaching value based on the senior authors' (MBSL, BKD) collective experience with over 7000 examples. We excluded entities deemed to be already well-appreciated by neuropathologists such as mixed adenoma-gangliocytoma, posterior pituitary tumors, metastases, and hypophysitis. We identified examples that, in our judgment, were sufficiently unusual enough to warrant further reporting. Herein, we present 3 diffuse large cell B cell pituitary lymphomas confined to the sellar region with first presentation at that site, 2 sarcomas primary to sella in nonirradiated patients, and 1 case each of granulomatosis with polyangiitis and neurosarcoidosis with first presentations as a sellar/suprasellar mass. Other cases included 1 of chronic lymphocytic leukemia within a gonadotroph adenoma and 1 of ectopic nerve fascicles embedded within a somatotroph adenoma, neither of which impacted patient care. Our objective was to share these examples and review the relevant literature.
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Affiliation(s)
- Layla A Abushamat
- Department of Endocrinology, University of Colorado Health Sciences Center, University of Colorado Denver, Anschutz Medical Campus, Aurora, Colorado
| | - Janice M Kerr
- Department of Endocrinology, University of Colorado Health Sciences Center, University of Colorado Denver, Anschutz Medical Campus, Aurora, Colorado
| | - M Beatriz S Lopes
- Department of Pathology (Neuropathology) and Neurological Surgery, University of Virginia, Charlottesville, Virginia
| | - Bette K Kleinschmidt-DeMasters
- Department of Pathology
- Department of Neurology
- Department of Neurosurgery, University of Colorado Denver, Anschutz Medical Campus, Aurora, Colorado
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Roncaroli F, Villa C, Chatterjee D, Mansour M, Faustini-Fustini M, Giannini C, Gnanalingham K. Rare primary non-neuroendocrine tumours of the sella. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.mpdhp.2018.12.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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