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Kinch K, Roberts F. Primary orbital sarcoma in adults: a case series with emphasis on post-irradiation sarcoma. Orbit 2024; 43:417-428. [PMID: 36622318 DOI: 10.1080/01676830.2022.2160766] [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: 08/26/2022] [Accepted: 12/15/2022] [Indexed: 01/10/2023]
Abstract
PURPOSE To describe a series of eight adult patients with primary orbital sarcoma and to review the existing literature on orbital sarcoma and post-irradiation sarcoma. METHODS Report of eight cases and literature review. RESULTS We report eight cases of primary orbital sarcoma, three of which were radiation-induced. Only one patient had a history of retinoblastoma. The most common presentations were painful proptosis and reduced vision. Most tumours arose in the extraconal compartment. The overall median age at diagnosis was 50 years. The pathology comprised a diverse group of tumours. Treatment and outcome varied between patients and their clinical circumstances. CONCLUSIONS Adult primary orbital sarcomas are rare. They can comprise a variety of tumour types and are difficult to treat. Irradiation is a significant risk factor, and the incidence of post-irradiation sarcoma of the orbit may be increasing due to the widespread use of radiotherapy and improved survival of patients with cancer. Post-irradiation sarcoma should be considered in the differential diagnosis of an orbital space-occupying lesion in a patient with a history of radiotherapy.
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Affiliation(s)
- Kevin Kinch
- Pathology Department, Royal Infirmary of Edinburgh, Edinburgh, UK
| | - Fiona Roberts
- Pathology Department, Queen Elizabeth University Hospital, Glasgow, UK
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René C, Scollo P, O'Donovan D. A review of solitary fibrous tumours of the orbit and ocular adnexa. Eye (Lond) 2023; 37:858-865. [PMID: 35831617 PMCID: PMC10050175 DOI: 10.1038/s41433-022-02160-w] [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: 02/27/2022] [Revised: 05/15/2022] [Accepted: 06/20/2022] [Indexed: 11/08/2022] Open
Abstract
Solitary fibrous tumour (SFT) is an uncommon spindle cell tumour of mesenchymal origin characterised by NAB2-STAT6 gene fusion. Although it was first described in the pleura, it can occur in connective tissue in any part of the body, but rarely presents in the orbit and ocular adnexa. SFT, which is part of the same disease spectrum as other fibroblastic tumours such as giant cell angiofibroma, haemangiopericytoma and fibrous histiocytoma, usually presents as a painless, slow-growing mass in any age group and generally follows a benign course, with a good prognosis after complete excision. However, malignant forms rarely occur. Even for benign tumours a more aggressive clinical behaviour is possible, with relentless infiltrative local growth, frequent recurrence following surgery, and malignant transformation with the potential for metastatic spread. Careful long-term follow-up is essential. The published literature on SFTs of the orbit and ocular adnexa is reviewed, and the aetiology, clinical presentation, epidemiology, radiological features, histopathology, immunohistochemistry, risk stratification, clinical management, and prognosis are discussed, reflecting on our own experience.
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Affiliation(s)
- Cornelius René
- Department of Ophthalmology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
| | - Paolo Scollo
- Department of Ophthalmology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom.
| | - Dominic O'Donovan
- Department of Neuropathology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
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Jozsa F, Das JM. Metastatic Lesions of the Clivus: A Systematic Review. World Neurosurg 2021; 158:190-204. [PMID: 34861450 DOI: 10.1016/j.wneu.2021.11.105] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 11/09/2022]
Abstract
BACKGROUND Metastatic lesions of the clivus are extremely rare, having previously been estimated as representing 0.02% of all intracranial tumors. Owing to its close intracranial relationship with the clivus before entering the cavernous sinus, clinical palsies of the sixth cranial nerve have been classically associated with destructive lesions of this structure. METHODS A comprehensive search of PubMed was conducted for studies of patients with metastasis to the clivus from primary cancer at any site. Studies reported in English in the past 20 years from our last search on April 12, 2021 were included. The data collected included patient age, sex, symptoms at presentation, histopathology and treatment timeline of the primary tumor, treatment, follow-up, and mortality. RESULTS After the literature review, 46 studies reporting on 58 patients with clivus metastasis were included in the final analysis. The mean age of the patients was 57.5 years, and 39 were male (67.2%). The most common sites of the primary tumor were the prostate (22%), gastrointestinal tract (15%), lung (13%), and kidney (11%). In 43% of patients, symptoms of clivus metastasis had presented before the diagnosis of primary cancer was known, and 71% of the patients had presented with sixth nerve palsy. Of the 58 patients, 53% had undergone surgery, and 37% had received adjuvant radiotherapy. Of the 58 patients, 25% had received radiotherapy alone. The endoscopic transsphenoidal approach to the clivus was almost uniquely used for surgical management. Survival data were available for 31 patients. Death had occurred at a mean of 9.4 months after the presentation of clivus metastasis. A strong correlation was found between the interval from primary cancer to the presentation of clivus metastasis and mortality. CONCLUSIONS Although an extremely rare occurrence, clivus metastasis should be considered in patients with a history of malignancy, in particular, prostate malignancy, presenting with new-onset isolated sixth nerve palsy.
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Affiliation(s)
- Felix Jozsa
- Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, United Kingdom.
| | - Joe M Das
- Department of Neurosurgery, Bahrain Specialist Hospital, Juffair, Bahrain
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Tanabe M, Yoshikawa H, Yamada Y, Oda Y, Sonoda KH. A case of primary orbital solitary fibrous tumor with lung metastases 41 years after initial treatment. Orbit 2021; 41:810-814. [PMID: 34261401 DOI: 10.1080/01676830.2021.1954665] [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: 10/20/2022]
Abstract
Here, we report a case of an orbital solitary fibrous tumor (SFT) with multiple local recurrences, even after orbital exenteration, and lung metastases after 41 years. The report discusses the clinical and histopathological findings of this case. A 34-year-old female patient with an orbital SFT was treated with orbital exenteration after local resection failed to prevent a recurrence. Ten years later, the patient underwent radiation therapy, followed by two rounds of gamma knife treatment, leading to remission. Forty-one years after the first treatment, the patient, at the age of 75 years, was found to have lung metastases along with orbital recurrence for the eighth time. The patient underwent radiation therapy but died from radiation pneumonitis. Our case emphasizes the need for long-term follow-up of patients with orbital tumors, even after orbital exenteration, to monitor for metastasis.
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Affiliation(s)
- Mika Tanabe
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Hiroshi Yoshikawa
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yuichi Yamada
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Koh-Hei Sonoda
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Jackson CH, Hunt BC, Harris GJ. Fate and Management of Incompletely Excised Solitary Fibrous Tumor of the Orbit: A Case Series and Literature Review. Ophthalmic Plast Reconstr Surg 2021; 37:108-117. [PMID: 32496393 DOI: 10.1097/iop.0000000000001691] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
PURPOSE There is an imperfect correlation between the histology and behavior of solitary fibrous tumor (SFT). In addition, recurrence is common, and dedifferentiation may occur over time. Preferred primary treatment is intact excision, but friable pseudocapsules and tenacious attachments can thwart this goal in the crowded, visually sensitive orbit. This study addresses the fate and appropriate management of incompletely excised orbital SFT. METHODS Among a single surgeon's 7-case experience with orbital SFT, 3 cases involved incomplete primary excision, either before (2 cases) or after (1 case) referral. We reviewed the clinicopathologic data in these 3 cases, with follow-up intervals of 18, 21, and 52 years after initial presentation. We reviewed the English-language literature on SFT, with special attention to evolving nomenclature, orbital involvement, recurrence, malignant transformation, and management options. RESULTS Benign versus malignant designations of SFT vary with histological and behavioral criteria. Approximately 150 orbital cases have been reported. Published rates of primary malignancy and recurrence across all histologic categories are 6% to 12% and 30% to 37%, respectively. We identified 43 well-documented recurrences (range, 6 months-33 years; median, 3 years) and 10 cases of histological dedifferentiation (range, 14 months-33 years). Because of SFT's rarity and needed follow-up intervals, the value of adjuvant therapy is not yet proven. In follow up of 18, 21, and 52 years after initial presentation, our 3 cases with incomplete excision showed either no recurrence (Case 1) or no morphological dedifferentiation (Cases 2, 3). CONCLUSION A treatment algorithm is predicated on the completeness of surgical excision and histological features. However, we recommend case-by-case multidisciplinary decisions in a tumor-board setting.
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Affiliation(s)
- Chad H Jackson
- Orbital and Oculofacial Plastic Surgery, Department of Ophthalmology
| | - Bryan C Hunt
- Head and Neck Surgical Pathology, Department of Pathology, Medical College of Wisconsin, Milwaukee, Wisconsin, U.S.A
| | - Gerald J Harris
- Orbital and Oculofacial Plastic Surgery, Department of Ophthalmology
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Thompson LDR, Liou SS, Feldman KA. Orbit Solitary Fibrous Tumor: A Proposed Risk Prediction Model Based on a Case Series and Comprehensive Literature Review. Head Neck Pathol 2021; 15:138-152. [PMID: 32529350 PMCID: PMC8010011 DOI: 10.1007/s12105-020-01184-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 05/28/2020] [Indexed: 02/07/2023]
Abstract
Solitary fibrous tumors (SFTs) of the orbit are rare. In order to further characterize the clinical and pathologic features of solitary fibrous tumor arising at this anatomic site, 12 cases of orbital SFTs were analyzed in conjunction with a review of 263 cases reported from the English literature in order to develop a risk prediction model. SFTs of the orbit were equally distributed between males (n = 5) and females (n = 7) with a mean patient age of 46.8 years (median 44.5 years; range 18-76 years) at initial diagnosis. The patients typically presented with swelling or mass around the orbit, with proptosis (n = 10), ptosis (n = 5), and visual changes (n = 6). Tumors were orbital (n = 10) or upper eyelid (n = 2). Mean tumor size was 2.5 cm (median 2.6 cm). Microscopically, the tumors were characterized by cytologically bland spindle cells with patternless growth, hypocellular and hypercellular areas, variable amounts of collagen, and ectatic, branching blood vessels. By immunohistochemistry, all cases had a strong nuclear STAT6 expression. All patients were initially managed with excision or biopsy, three with presurgical embolization. The two patients with biopsy only had persistent disease (mean 37.2 months), but a third patient developed distant bone metastasis at 86.9 months. Overall mean follow-up was 73.1 months: 9 patients are alive or dead without disease (mean 77.9 months), two patients with persistent disease, and one patient with metastatic disease at last follow-up (102 months). Incorporating cases sufficiently reported in the literature, a risk prediction model based on age > 45 years, tumor size > 3 cm, tumor necrosis, mitoses of > 4/2 mm2, moderate to high cellularity, and moderate to severe pleomorphism allows for risk stratification for the development of local recurrence and distant metastasis. In conclusion, orbital SFTs are rare, but can be reliably diagnosed based on the presence of characteristic morphologic features and STAT6 immunohistochemistry. Orbital tumors tend to show a higher frequency of local recurrence than distant metastasis, which can be predicted by a risk stratification model unique to orbital tumors. With late disease common, long term clinical follow-up is recommended.
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Affiliation(s)
- Lester D R Thompson
- Department of Pathology, Southern California Permanente Medical Group, 5601 De Soto Avenue, Woodland Hills, CA, 91365, USA.
| | - Sofia S Liou
- Department of Pathology, University of California: Los Angeles, Los Angeles, CA, USA
| | - Kenneth A Feldman
- Department of Ophthalmology, Southern California Permanente Medical Group, Harbor City, CA, USA
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Alkatan HM, Alsalamah AK, Almizel A, Alshomar KM, Maktabi AM, ElKhamary SM, Eberhart CG, Iuliano A, Lanni V, Strianese D. Orbital solitary fibrous tumors: a multi-centered histopathological and immunohistochemical analysis with radiological description. Ann Saudi Med 2020; 40:227-233. [PMID: 32493043 PMCID: PMC7270616 DOI: 10.5144/0256-4947.2020.227] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Solitary fibrous tumors (SFT), formerly called hemangiopericytoma, are rare tumors derived from mesenchymal cells originally described in the pleura, but these tumors may affect extraserosal tissues including the lacrimal gland and orbit. OBJECTIVE Conduct a multi-centered clinical, radiological and histopathological analysis of 17 orbital SFT cases. DESIGN A retrospective case series. SETTING Three eye centers in two countries. PATIENTS AND METHODS The data collected from the charts of 17 adult patients presenting with tissue diagnosis of orbital hemangiopericytoma or SFT from January 2003 to December 2018 included demographics, clinical imaging and histopathological information including immunohistochemical (IHC) characteristics. MAIN OUTCOME MEASURES The demographic characteristics, clinical presentation, and histopathological patterns or variants of SFT were analyzed. SAMPLE SIZE 17 adult patients. RESULTS Mean age was 45 years (range 23-80 years). Male to female ratio was 3:1. The right eye was affected in 12 (70.5%) patients. Commonest presentation was proptosis in 13/17 (76% of patients). Other symptoms were impaired motility (29%) and ptosis (11%). Lesions mostly affected the medial orbit (35%), then orbital apex in 11%. The histopathological classic pattern-less variant was the commonest. One case with aggressive behavior, multiple recurrences and atypical features was encountered. Immunohistochemical (IHC) markers used included CD34 expression in all cases, Bcl-2 expression in 10/11, CD99 in 9/9 and Vimentin in 4/4. STAT6 was used in 2 cases. CONCLUSIONS SFTs are rare tumors affecting the orbit in both genders equally in their mid-forties, but showed male predominance in our analysis with a predominant classic histopathological pattern. Tissue diagnosis is essential and requires IHC studies for confirmation. LIMITATIONS Sample size is relatively small owing to the rarity of this tumor in the orbit. CONFLICT OF INTEREST None.
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Affiliation(s)
- Hind Manaa Alkatan
- From the Department of Ophthalmology, King Saud University, Riyadh, Saudi Arabia
| | - Abrar K Alsalamah
- From the Division of Vitreoretinal and Uveitis, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
| | | | - Khalid M Alshomar
- From the Department of Ophthalmology, King Saud University, Riyadh, Saudi Arabia
| | - Azza My Maktabi
- From the Department of Pathology and Laboratory Medicine, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
| | - Sahar M ElKhamary
- From the Department of Radiology, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
| | - Charles G Eberhart
- From the Department of Pathology, Ophthalmology and Oncology, John Hopkins University, School of Medicine, Baltimore, United States
| | - Adriana Iuliano
- From the Department of Neuroscience, School of Medicine and Surgery, University of Naples Federico II, Napoli, Campania, Italy
| | - Vittoria Lanni
- From the Department of Neuroscience, School of Medicine and Surgery, University of Naples Federico II, Napoli, Campania, Italy
| | - Diego Strianese
- From the Department of Neuroscience, School of Medicine and Surgery, University of Naples Federico II, Napoli, Campania, Italy.,From the Orbital Unit, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
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Shen J, Li H, Feng S, Cui H. Orbital solitary fibrous tumor: a clinicopathologic study from a Chinese tertiary hospital with a literature review. Cancer Manag Res 2018; 10:1069-1078. [PMID: 29780261 PMCID: PMC5951146 DOI: 10.2147/cmar.s165218] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Purpose To report the clinical features, imaging manifestations, histopathology, and immunohistochemical features of several cases of orbital solitary fibrous tumors (SFTs) in a Chinese tertiary hospital, and to undertake a literature review of this rare disease. Methods A non-comparative retrospective review of clinical presentations, imaging manifestations, histopathology, and immunohistochemical features as well as the management and disease outcomes of patients with orbital SFT was conducted along with a review of orbital SFT cases in the literature. Results This study includes two male and two female patients, with an average age of 53 years. Common presentations among these patients included a palpable subcutaneous mass, swelling of the eyelid, proptosis, diplopia, and vision disturbance. Three patients (cases 2–4) underwent imaging scans. All patients had complete surgical excisions and the tissue was subjected to pathological analysis. One patient (Case 4) experienced a recurrence with malignant transformation and received a re-excision surgery and postoperative radiotherapy. All patients remain alive and well after a minimum follow-up of 12 months (range 12–34 months). Conclusion Despite its rare occurrence, we suggest that the possibility of orbital SFTs needs to be considered when a painless, slowly growing orbital mass is identified. Typical characteristic magnetic resonance imaging features of orbital SFTs are iso- or hypointense signals on T1 and T2-weighted images, with marked enhancement. A positive cluster of differentiation 34 (CD34) staining is an important diagnostic clue favoring SFT. Some orbital SFTs are infiltrating, aggressive, or recur with malignant transformation. Therefore, regular long-term follow-up after complete excision is mandatory.
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Affiliation(s)
| | | | - Shi Feng
- Department of Pathology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
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Nocini PF, Trevisiol L, D'Agostino A, Zanette G, Favero V, Procacci P. Quadruple zygomatic implants supported rehabilitation in failed maxillary bone reconstruction. Oral Maxillofac Surg 2016; 20:303-308. [PMID: 26911802 DOI: 10.1007/s10006-016-0552-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 02/08/2016] [Indexed: 06/05/2023]
Abstract
Extreme atrophy of the jaws constitutes a challenge for maxillofacial surgeons. The technique involving Le Fort I osteotomy, bone grafting, and endosseous implants remains the gold standard treatment for class V and class VI atrophy of the maxilla. As severe maxillary atrophy is associated to impaired microvascularization of overlying soft tissues, reconstruction using vascularized free fibula flaps together with endosseous implants is one of the possible treatment plans. When this approach fails, however, retreating these patients using traditional techniques often proves unsatisfactory. This study outlines our clinical experience with full-arch zygoma implant-supported prosthetic rehabilitation to treat severe atrophic maxilla following failure of strategies including multiple Le Fort I procedures or vascularized free fibular flaps.
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Affiliation(s)
- Pier Francesco Nocini
- Section of Oral and Maxillofacial Surgery, Department of Surgery, University of Verona, Verona, Italy
- Department of Surgery, Section of Dentistry and Maxillofacial Surgery, University of Verona, Policlinico "Giovanni Battista Rossi" Piazzale Ludovico Antonio Scuro, 10, 37134, Verona, Italy
| | - Lorenzo Trevisiol
- Section of Oral and Maxillofacial Surgery, Department of Surgery, University of Verona, Verona, Italy
- Department of Surgery, Section of Dentistry and Maxillofacial Surgery, University of Verona, Policlinico "Giovanni Battista Rossi" Piazzale Ludovico Antonio Scuro, 10, 37134, Verona, Italy
| | - Antonio D'Agostino
- Section of Oral and Maxillofacial Surgery, Department of Surgery, University of Verona, Verona, Italy.
- Department of Surgery, Section of Dentistry and Maxillofacial Surgery, University of Verona, Policlinico "Giovanni Battista Rossi" Piazzale Ludovico Antonio Scuro, 10, 37134, Verona, Italy.
| | - Giovanni Zanette
- Section of Oral and Maxillofacial Surgery, Department of Surgery, University of Verona, Verona, Italy
- Department of Surgery, Section of Dentistry and Maxillofacial Surgery, University of Verona, Policlinico "Giovanni Battista Rossi" Piazzale Ludovico Antonio Scuro, 10, 37134, Verona, Italy
| | - Vittorio Favero
- Section of Oral and Maxillofacial Surgery, Department of Surgery, University of Verona, Verona, Italy
- Department of Surgery, Section of Dentistry and Maxillofacial Surgery, University of Verona, Policlinico "Giovanni Battista Rossi" Piazzale Ludovico Antonio Scuro, 10, 37134, Verona, Italy
| | - Pasquale Procacci
- Section of Oral and Maxillofacial Surgery, Department of Surgery, University of Verona, Verona, Italy
- Department of Surgery, Section of Dentistry and Maxillofacial Surgery, University of Verona, Policlinico "Giovanni Battista Rossi" Piazzale Ludovico Antonio Scuro, 10, 37134, Verona, Italy
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Mesenchymal tumours of the mediastinum--part I. Virchows Arch 2015; 467:487-500. [PMID: 26358059 PMCID: PMC4656709 DOI: 10.1007/s00428-015-1830-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 08/06/2015] [Accepted: 08/11/2015] [Indexed: 12/11/2022]
Abstract
The mediastinum is an anatomically defined space in which organs and major blood vessels reside with surrounding soft tissue elements. The thymus is an important organ in the mediastinum, and many of the masses encountered in the mediastinum are related to this organ. Most neoplasms diagnosed in the mediastinum are epithelial tumours (thymomas and thymic carcinomas), lymphomas or germ cell tumours. In contrast, soft tissue tumours of the mediastinum are rare. In 1963, Pachter and Lattes systematically reviewed soft tissue pathology of the mediastinum, covering the hitherto described [2, 226, 227] In this review, based on the 2013 WHO classification of soft tissue tumours and the 2015 WHO classification of tumours of the lung, pleura, thymus and heart, we provide an updated overview of mesenchymal tumours that may be encountered in the mediastinum.
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Ocular adnexal (orbital) solitary fibrous tumor: nuclear STAT6 expression and literature review. Graefes Arch Clin Exp Ophthalmol 2015; 253:1609-17. [PMID: 25761539 DOI: 10.1007/s00417-015-2975-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Revised: 01/26/2015] [Accepted: 02/18/2015] [Indexed: 10/23/2022] Open
Abstract
PURPOSE To report the clinico-pathological features of solitary fibrous tumor occurring in the ocular adnexa (OA) in a single center. To assess the presence of NAB2-STAT6 genes fusion in OA solitary fibrous tumor detected by nuclear overexpression of STAT6. METHODS Retrospective study including orbital and OA solitary fibrous tumors treated between 2006 and 2014 in our center. The clinical, radiological, and histopathological findings were evaluated. STAT6 expression was assessed by immunohistochemistry. RESULTS Five patients were identified and presented with a chronic OA mass. The tumors were radiologically well delimited, highly vascularized and without bone erosion. All the patients underwent complete surgical excision. Pathological examination confirmed solitary fibrous tumor in all cases. All tumors demonstrated a nuclear expression of STAT6. There were no recurrences, with a mean follow-up of 5 years after surgery. Our review demonstrated that proptosis was the most common presentation occurring in 60 % of the cases. In the ocular adnexa, adverse histological criteria were found in 19.7 % of the tumors, and recurrences were observed in 48 % of these cases. Thirty-six percent of patients presented at least one local recurrence, and metastastic spread was found in 2.4 % of the cases. Tumor-related death was described in two cases. CONCLUSION Ocular adnexal SFT are rare and usually present as a chronic orbital mass with proptosis. In the OA, solitary fibrous tumor demonstrates STAT6 nuclear expression, as documented in other locations. Recurrences are unusual and metastasis exceptional. Initial surgical resection should be complete in order to avoid recurrence.
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