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Lefevre E, Dupont S, Liguoro D, Chasseloup F, Kamenicky P, Roblot P. Anatomy of the medial wall of the cavernous sinus: A systematic review of the literature. Clin Anat 2024. [PMID: 38468565 DOI: 10.1002/ca.24152] [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: 12/13/2023] [Revised: 02/13/2024] [Accepted: 02/22/2024] [Indexed: 03/13/2024]
Abstract
The existence, composition, and continuity of the medial wall of the cavernous sinus (MWCS) have been extensively studied and debated. However, the precise nature of this membrane remains unknown. Understanding the anatomical characteristics of the MWCS is crucial, notably in relation to pituitary adenomas, which often invade the cavernous sinus. Indeed, surgical treatment of those tumors is frequently incomplete because of such invasion. The anatomical and molecular basis of the peculiar and often lateralized tropism of adenomatous cells to the cavernous sinus is not yet understood and it has been suggested repeatedly that the MWCS is physiologically frail. During the past three decades, there have been several conflicting accounts of the existence, composition, and continuity of this medial wall, but methodological differences and varying definitions could have contributed to the current lack of consensus regarding it. The aim of this systematic review was to summarize previously published data concerning the existence, anatomy, composition, and continuity of the MWCS.
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Affiliation(s)
- Etienne Lefevre
- Physiologie et Physiopathologie Endocriniennes, Paris-Saclay University, INSERM U1185, Le Kremlin-Bicêtre, France
- Department of Neurosurgery, APHP, Groupe Hospitalier Pitié-Salpêtrière, Paris, France
- Laboratory of Anatomy, Sorbonne Université, Paris, France
| | - Sophie Dupont
- Laboratory of Anatomy, Sorbonne Université, Paris, France
- Department of Neurology, APHP, Groupe Hospitalier Pitié-Salpêtrière, Paris, France
| | - Dominique Liguoro
- Neurosurgery Department A, University Hospital of Bordeaux, Bordeaux, France
- Laboratory of Anatomy, Université de Bordeaux, Bordeaux, France
| | - Fanny Chasseloup
- Physiologie et Physiopathologie Endocriniennes, Paris-Saclay University, INSERM U1185, Le Kremlin-Bicêtre, France
- Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des maladies Rares de l'Hypophyse, Hôpital de Bicêtre, Le Kremlin-Bicêtre, France
| | - Peter Kamenicky
- Physiologie et Physiopathologie Endocriniennes, Paris-Saclay University, INSERM U1185, Le Kremlin-Bicêtre, France
- Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des maladies Rares de l'Hypophyse, Hôpital de Bicêtre, Le Kremlin-Bicêtre, France
| | - Paul Roblot
- Neurosurgery Department A, University Hospital of Bordeaux, Bordeaux, France
- Laboratory of Anatomy, Université de Bordeaux, Bordeaux, France
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Shi K, Li Z, Wu X, Ma C, Zhu X, Xu L, Sun Z, Xu S, Liang L. The medial wall and medial compartment of the cavernous sinus: an anatomic study using plastinated histological sections. Neurosurg Rev 2022; 45:3381-3391. [PMID: 35982343 DOI: 10.1007/s10143-022-01846-9] [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: 03/29/2022] [Revised: 07/20/2022] [Accepted: 08/10/2022] [Indexed: 11/26/2022]
Abstract
The medial wall of the cavernous sinus (CS) has a significant role in evaluation and treatment of pituitary adenomas. This study was conducted to clarify the fine architecture of the medial wall and medial compartment of the CS at both macro- and micro-levels in twenty-one human cadaveric heads by using the epoxy sheet plastination technique. The sellar part medial wall is an intact dural layer that separates the CS from the pituitary gland. This dural wall adhered to the diaphragma sellae and the periosteum of the sella turcica to form fibrous triangles. Eight micro-protrusions of the pituitary gland were found at both sides of that wall. The thickness of the sellar part medial wall at its central portion was significantly thinner than that at the other surrounding portions. From the superior view, tortuous intracavernous carotid arteries can be divided into outward bending type and inward bending type. The inward bending intracavernous carotid was apt to bent towards the central part of the sellar part medial wall, where there were usually wide and short fibrous bands with more densely stained connective tissues between them. The micro-protrusion of the pituitary gland in the medial wall of the CS could provide an anatomical basis for the occult tumor invasion and the recurrence of residual tumor. Different bending facing states of tortuous intracavernous carotid arteries in the lateral direction may be a factor of the determination of the direction of growth of pituitary tumors.
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Affiliation(s)
- Kaili Shi
- Department of Anatomy, School of Basic Medical Sciences, Anhui Medical University, NO. 81, Meishan Road, Shushan District, Hefei, 230032, Anhui, China
| | - Zhifan Li
- Department of Anatomy, School of Basic Medical Sciences, Anhui Medical University, NO. 81, Meishan Road, Shushan District, Hefei, 230032, Anhui, China
| | - Xiao Wu
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Chunjing Ma
- Department of Anatomy, School of Basic Medical Sciences, Anhui Medical University, NO. 81, Meishan Road, Shushan District, Hefei, 230032, Anhui, China
| | - Xingyu Zhu
- Department of Anatomy, School of Basic Medical Sciences, Anhui Medical University, NO. 81, Meishan Road, Shushan District, Hefei, 230032, Anhui, China
| | - Liu Xu
- Department of Anatomy, School of Basic Medical Sciences, Anhui Medical University, NO. 81, Meishan Road, Shushan District, Hefei, 230032, Anhui, China
| | - Zhengzheng Sun
- Department of Anatomy, School of Basic Medical Sciences, Anhui Medical University, NO. 81, Meishan Road, Shushan District, Hefei, 230032, Anhui, China
| | - Shengchun Xu
- Department of Anatomy, School of Basic Medical Sciences, Anhui Medical University, NO. 81, Meishan Road, Shushan District, Hefei, 230032, Anhui, China
| | - Liang Liang
- Department of Anatomy, School of Basic Medical Sciences, Anhui Medical University, NO. 81, Meishan Road, Shushan District, Hefei, 230032, Anhui, China.
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Rennert R, Goodwill V, Steinberg J, Fukushima T, Day JD, Khalessi AA, Levy M. Histology of the Porous Oculomotorius: Relevance to Anterior Skull Base Approaches. J Neurol Surg B Skull Base 2022; 84:210-216. [PMID: 37180869 PMCID: PMC10171935 DOI: 10.1055/a-1780-4619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 02/17/2022] [Indexed: 10/19/2022] Open
Abstract
Objective: Mobilization of cranial nerve III (CNIII) at its dural entry site is commonly described to avoid damage from stretching during approaches to the parasellar, infrachiasmatic, posterior clinoid, and cavernous sinus regions. The histologic relationships of CNIII as it traverses the dura, and the associated surgical implications are nonetheless poorly described. We herein assess the histology of the CNIII-dura interface as it relates to surgical mobilization of the nerve.
Methods: A fronto-orbitozygomatic temporopolar approach was performed on six adult cadaveric specimens. The CNIII-dural entry site was resected and histologically processed. The nerve-tissue planes were assessed by a neuropathologist.
Results: Histologic analysis demonstrated that CNIII remained separate from the dura within the oculomotor cistern (porous oculomotorius up to the oculomotor foramen). Fusion of the epineurium of CNIII and the connective tissue of the dura was seen at the level of the foramen, with no clear histologic plane identified between these structures.
Conclusion: CNIII may be directly mobilized within the oculomotor cistern, while dissections of CNIII distal to the oculomotor foramen should maintain a thin layer of connective tissue on the nerve.
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Affiliation(s)
- Robert Rennert
- Neurosurgery, University of California San Diego Health System, La Jolla, United States
| | - Vanessa Goodwill
- Pathology, University of California San Diego Health System, La Jolla, United States
| | - Jeffrey Steinberg
- Neurosurgery, University of California San Diego Health System, La Jolla, United States
| | | | - John D. Day
- Neurosurgery, University of Arkansas for Medical Sciences, Little Rock, United States
| | | | - Michael Levy
- Rady Children's Hospital San Diego, San Diego, United States
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Cushing Syndrome Caused by Ectopic Adrenocorticotropic Hormone–Secreting Pituitary Adenomas: Case Report and Literature Review. World Neurosurg 2020; 142:75-86. [DOI: 10.1016/j.wneu.2020.06.138] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/15/2020] [Accepted: 06/17/2020] [Indexed: 12/14/2022]
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Wahl L, Lockwood JD, Keet K, Henry BM, Gielecki J, Iwanaga J, Bui CJ, Dumont AS, Tubbs RS. The inferior intercavernous sinus: An anatomical study with application to trans-sphenoidal approaches to the pituitary gland. Clin Neurol Neurosurg 2020; 196:106000. [PMID: 32574965 DOI: 10.1016/j.clineuro.2020.106000] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 06/02/2020] [Accepted: 06/05/2020] [Indexed: 11/25/2022]
Abstract
OBJECTIVES The inferior intercavernous sinus is located below the pituitary gland in the sella turcica. Its presence has been controversial among anatomists because it is not always found on radiological imaging or during cadaveric dissections; however, it is becoming a better-known structure in the neurosurgical and radiological fields, specifically with respect to transsphenoidal surgery. Therefore, the present study was performed to better elucidate this structure at the skull base. PATIENTS AND METHODS Fifty adult, latex injected cadavers underwent dissection. The presence or absence of the inferior cavernous sinus was evaluated and when present, measurements of its width and length were made. Its connections with other intradural venous sinuses were also documented. RESULTS An inferior intercavernous sinus was identified in 26 % of specimens. In all specimens, it communicated with the left and right cavernous sinus. The average width and length were 3 mm and 9.5 mm, respectively. In the sagittal plane, the inferior intercavernous sinus was positioned anteriorly in 31 %, at the nadir of the sella turcica in 38 %, and slightly posterior to the nadir of the sella turcica in 31 %. In two specimens (15.4 %), the sinus was plexiform in its shape. In one specimen a diploic vein connected the basilar venous plexus to the inferior intercavernous sinus on its deep surface. CONCLUSION An improved understanding of the variable anatomy of the inferior intercavernous sinus is important in pathological, surgical, and radiological cases.
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Affiliation(s)
- Lauren Wahl
- Department of Cell and Developmental Biology, University of Colorado, Boulder CO, USA
| | - Joseph D Lockwood
- Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, USA
| | - Kerri Keet
- Division of Clinical Anatomy, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Brandon Michael Henry
- Cardiac Intensive Care Unit, The Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA; International Evidence-Based Anatomy Working Group, Krakow, Poland
| | - Jerzy Gielecki
- Department of Radiology, Collegium Medicum, School of Medicine, University of Warmia and Mazury, Olsztyn, Poland; Department of Anatomy, University of Warmia and Mazury, Olsztyn, Poland
| | - Joe Iwanaga
- Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, USA.
| | - C J Bui
- Department of Neurosurgery, Ochsner Medical Center, New Orleans, LA, USA
| | - Aaron S Dumont
- Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, USA
| | - R Shane Tubbs
- Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, USA; Department of Anatomical Sciences, St. George's University, St. George's, West Indies, Grenada; Department of Structural & Cellular Biology, Tulane University School of Medicine, New Orleans, LA, USA; Department of Neurosurgery and Ochsner Neuroscience Institute, Ochsner Health System, New Orleans, LA, USA
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Truong HQ, Lieber S, Najera E, Alves-Belo JT, Gardner PA, Fernandez-Miranda JC. The medial wall of the cavernous sinus. Part 1: Surgical anatomy, ligaments, and surgical technique for its mobilization and/or resection. J Neurosurg 2019; 131:122-130. [PMID: 30192192 DOI: 10.3171/2018.3.jns18596] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 03/19/2018] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The medial wall of the cavernous sinus (CS) is often invaded by pituitary adenomas. Surgical mobilization and/or removal of the medial wall remains a challenge. METHODS Endoscopic endonasal dissection was performed in 20 human cadaver heads. The configuration of the medial wall, its relationship to the internal carotid artery (ICA), and the ligamentous connections in between them were investigated in 40 CSs. RESULTS The medial wall of the CS was confirmed to be an intact single layer of dura that is distinct from the capsule of the pituitary gland and the periosteal layer that forms the anterior wall of the CS. In 32.5% of hemispheres, the medial wall was indented by and/or well adhered to the cavernous ICA. The authors identified multiple ligamentous fibers that anchored the medial wall to other walls of the CS and/or to specific ICA segments. These parasellar ligaments were classified into 4 groups: 1) caroticoclinoid ligament, spanning from the medial wall and the middle clinoid toward the clinoid ICA segment and anterior clinoid process; 2) superior parasellar ligament, connecting the medial wall to the horizontal cavernous ICA and/or lateral wall of the CS; 3) inferior parasellar ligament, bridging the medial wall to the anterior wall of the CS or anterior surface of the short vertical segment of the cavernous ICA; and 4) posterior parasellar ligament, which anchors the medial wall to the short vertical segment of the cavernous ICA and/or the posterior carotid sulcus. The caroticoclinoid ligament and inferior parasellar ligament were present in most CSs (97.7% and 95%, respectively), while the superior and posterior parasellar ligaments were identified in approximately half of the CSs (57.5% and 45%, respectively). The caroticoclinoid ligament was the strongest and largest ligament, and it was typically assembled as a group of ligaments with a fan-like arrangement. The inferior parasellar ligament was the first to be encountered after opening the anterior wall of the CS during an interdural transcavernous approach. CONCLUSIONS The authors introduce a classification of the parasellar ligaments and their role in anchoring the medial wall of the CS. These ligaments should be identified and transected to safely mobilize the medial wall away from the cavernous ICA during a transcavernous approach and for safe and complete resection of adenomas that selectively invade the medial wall.
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Sato M, Izumi T, Matsubara N, Nishihori M, Miyachi S, Wakabayashi T. Evaluation for shunted pouches of cavernous sinus dural arteriovenous fistula and the treatment outcome of transvenous embolization. Interv Neuroradiol 2017; 24:189-196. [PMID: 29183173 DOI: 10.1177/1591019917743064] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background This study aimed to evaluate the detailed location and the number (single or multiple) of cavernous sinus dural arteriovenous fistula (CSDAVF) shunted pouches as well as the relationship between the characteristics of shunted pouch(es) and the treatment outcome of transvenous embolization for CSDAVF. Methods A total of 23 consecutive patients with CSDAVFs who underwent angiogram and transvenous embolization were retrospectively analyzed. Shunted pouches were assessed using three-dimensional angiogram and multiplanar reformatted image obtained from the rotational angiogram data. Results Of the 23 patients with CSDAVFs, 40 shunted pouches were identified. Twelve CSDAVFs had a single shunted pouch, and 11 had multiple shunted pouches. The mean CSDAVF with multiple shunted pouches was 2.5. The shunted pouches were more often found in the posterior compartment of the CS, which was connected with the intercavernous sinus (23/40; 57.5%). In 12 CSDAVFs with a single shunted pouch, 10 were treated with selective embolization and complete occlusion was achieved during the follow-up. Two CSDAVFs with single shunted pouch were just observed without intervention, and DAVFs disappeared spontaneously during the follow-up period. In 11 CSDAVFs with multiple shunted pouches, eight were treated with selective embolization and three with sinus embolization. In six of eight (75%), complete occlusion was achieved following selective embolization, but two of eight (25%) recurred and required retreatment. Conclusions Rotational angiography data suggested that the shunted pouches of CSDAVFs were mostly located in the posterior compartment of the CS connected with the intercavernous sinus. Selective embolization for CSDAVFs with a single shunted pouch is the first-line treatment alternative to sinus packing, and selective embolization with multiple shunted pouches will be a considerable treatment option.
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Affiliation(s)
- Masaki Sato
- 1 Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Takashi Izumi
- 1 Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Noriaki Matsubara
- 1 Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Japan.,2 Department of Neurosurgery, Osaka Medical College, Takatsuki, Japan
| | - Masahiro Nishihori
- 1 Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shigeru Miyachi
- 3 Department of Neurosurgery, Aichi Medical University, Nagakute, Japan
| | - Toshihiko Wakabayashi
- 1 Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Knappe UJ, Jaspers C, Buschsieweke D, Reinbold WD, Alomari A, Saeger W, Ehlenz K, Mann WA, Kann PH, Feldkamp J. Ectopic Adrenocorticotropic Hormone–Secreting Pituitary Adenomas: An Underestimated Entity. Neurosurgery 2017; 80:525-533. [DOI: 10.1227/neu.0000000000001319] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2015] [Accepted: 03/21/2016] [Indexed: 01/16/2023] Open
Abstract
AbstractBACKGROUND: The diagnosis of Cushing disease is based on endocrinological pa-rameters, with no single test being specific. In some patients, dynamic thin-slice sellar magnetic resonance imaging fails to detect a pituitary tumor.OBJECTIVE: The purpose of this study is to investigate the role of ectopic pituitary adenoma in this situation.METHODS: In a retrospective chart review, 5 patients (6%) with ectopic adenomas were identified in 83 consecutive patients undergoing transsphenoidal surgery for adrenocorticotropic hormone (ACTH)-secreting pituitary adenomas by 1 surgeon.RESULTS: In all 5 patients (all female, 32-41 years of age), an exclusively extrasellar ACTH-secreting adenoma was excised. Three adenomas were located in the cavernous sinus, 1 in the sphenoid sinus, and 1 in the ethmoidal cells. Histologically, none of the tumors showed signs of aggressiveness. Three of the 5 adenomas specifically expressed somatostatin receptor 5. In 4 patients with Cushing disease, postoperative remission was obtained, with 1 recurrence after 14 months. In the patient with Nelson syndrome, ACTH decreased from >800 to <80 pg/mL. Three patients underwent previous surgery elsewhere, including 1 hypophysectomy. In this case, the ectopic adenoma (positive for somatostatin receptor 5) in the ethmoidal cells turned out to be positive on gallium 68 DOTATATE positron emission tomography/computed tomography.CONCLUSION: The incidence of primarily ectopic ACTH-secreting adenomas in this series was 6%. In cases of negative MRI findings, an ectopic ACTH-secreting adenoma should be taken into account. 68Ga DOTATATE positron emission tomography/computed tomography may identify ectopic pituitary adenomas. Hypophysectomy should always be avoided in primary surgery for CD.
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Affiliation(s)
- Ulrich J. Knappe
- Department of Neurosurgery, Johannes Wesling Klinikum, Minden, Germany
| | - Christian Jaspers
- Department of Endocrinology, Johannes Wesling Klinikum, Minden, Germany
| | | | | | - Ali Alomari
- Department of Neurosurgery, Johannes Wesling Klinikum, Minden, Germany
| | - Wolfgang Saeger
- Institute of Neuropathology, Univers-itätskrankenhaus Eppendorf, Hamburg, Germany
| | - Klaus Ehlenz
- Gesundheitszentrum Mar-tinshof, Giessen, Germany
| | | | - Peter Herbert Kann
- Department of Endocrinol-ogy, Philipps University, UKGM, Marburg, Germany
| | - Joachim Feldkamp
- Department of Endocr-inology, Klinikum Bielefeld, Bielefeld, Germany
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Saeger W, Petersenn S, Schöfl C, Knappe UJ, Theodoropoulou M, Buslei R, Honegger J. Emerging Histopathological and Genetic Parameters of Pituitary Adenomas: Clinical Impact and Recommendation for Future WHO Classification. Endocr Pathol 2016; 27:115-22. [PMID: 26874696 DOI: 10.1007/s12022-016-9419-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The review assesses immunohistochemical findings of somatostatin receptors and of metalloproteinases in different pituitary adenoma types and the significance of molecular genetic data. Current evidence does not support routine immunohistochemical assessment of somatostatin or dopamine receptor subtype expression on hormone-secreting or nonfunctioning pituitary adenomas. Further prospective studies are needed to define its role for clinical decision making. Until then we suggest to restrict membrane receptor profiling to individual cases or for study purposes. The problems of adenoma expansion and invasion are discussed. Despite partially contradictory publications, proteases clearly play a major role in permission of infiltrative growth of pituitary adenomas. Therefore, detection of at least MMP-2, MMP-9, TIMP-2, and uPA seems to be justified. Molecular characterization is important for familial adenomas, adenomas in MEN, Carney complex, and McCune-Albright syndrome and can gain insight into pathogenesis of sporadic adenomas.
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Affiliation(s)
- W Saeger
- Institutes of Pathology and Neuropathology, University of Hamburg, UKE, Martinistraße 52, 20246, Hamburg, Germany.
| | - S Petersenn
- ENDOC Center for Endocrinology, 22587 Hamburg, Germany
| | - C Schöfl
- Division of Endocrinology and Diabetes, Department of Medicine I, Universitätsklinikum Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - U J Knappe
- Department of Neurosurgery, Johannes-Wesling-Klinikum Minden, 32429, Minden, Germany
| | - M Theodoropoulou
- Department of Endocrinology, Max Planck Institute of Psychiatry, 80804, Munich, Germany
| | - R Buslei
- Department of Neuropathology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054, Erlangen, Germany
| | - J Honegger
- Clinic of Neurosurgery, University of Tübingen, 72076, Tübingen, Germany
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