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Yuan X, Zhou B, Zhong J. Prognostic factors of alveolar soft part sarcoma in children and adolescents: A population-based study. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2024; 125:101852. [PMID: 38570254 DOI: 10.1016/j.jormas.2024.101852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 03/27/2024] [Indexed: 04/05/2024]
Abstract
PURPOSE Alveolar Soft Part Sarcoma (ASPS) is an exceedingly rare and aggressive cancer in children. Our objective was to conduct a population-based cohort study to forecast overall survival (OS) in pediatric ASPS patients. METHODS We utilized the Surveillance, Epidemiology, and End Results (SEER) database to identify all pediatric ASPS patients diagnosed between 1975 and 2019. Kaplan-Meier estimations were employed to construct survival curves based on various criteria. Survival curves were compared using the log-rank test. Cox proportional-hazards regression was utilized to determine variables associated with OS. Additionally, we constructed a nomogram to predict overall survival in pediatric ASPS patients. RESULTS A total of 103 pediatric ASPS patients were identified. Predominantly, the tumors affected females (62.2 %), and most of them located in the extremities (53.4 %). The majority of patients underwent surgery (83.5 %). Survival rates declined with increasing tumor size, and patients with localized tumors exhibited significantly better prognoses than those with distant tumors. Surgery conferred superior survival outcomes compared to no surgery. Cox proportional hazard regression analysis identified SEER stage and surgery as important independent predictors of survival. CONCLUSIONS Our study highlights SEER stage and surgery as key predictors of OS in pediatric ASPS, offering crucial epidemiological insights for clinical management.
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Affiliation(s)
- Xiao Yuan
- Department of Nursing, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang, PR China
| | - Bi Zhou
- Department of Pediatrics, Suzhou Hospital of Anhui Medical University, Suzhou, Anhui, PR China
| | - Juhong Zhong
- Department of Operating Room, Hangzhou Children's Hospital, Hangzhou, Zhejiang, PR China.
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2
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Kaur K, Gami A, Shah A, Gandhi J, Trivedi P. Clinico-Pathological Spectrum of Alveolar Soft Part Sarcoma: Case Series from a Tertiary Care Cancer Referral Centre in India with a Focus on Unusual Clinical and Histological Features. Turk Patoloji Derg 2024; 40:89-100. [PMID: 37218666 PMCID: PMC11131567 DOI: 10.5146/tjpath.2023.01605] [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: 12/12/2022] [Accepted: 03/21/2023] [Indexed: 05/24/2023] Open
Abstract
OBJECTIVE Alveolar soft part sarcoma (ASPS) is characterized by distinctive histomorphology of variably discohesive epithelioid cells arranged in nests and translocation of t(x;17) (p11.2;q25) resulting in ASPSCR1-TFE3 fusion. The aim of the present study is to review the clinical, histopathological, and immunohistochemical profile of ASPS with a focus on unusual histological features. MATERIAL AND METHOD The present study is retrospective and descriptive. All cases with a diagnosis of ASPS were retrieved with clinical and radiology details. RESULTS 22 patients of ASPS were identified. The most common site was the lower extremity and the size range was 3-22 cm. 54.5% of the patients had metastasis, with the lung as the most common site. Metastasis preceded detection of primary tumour in two cases. All cases showed similar histopathology of monomorphic epithelioid cells arranged in nests encircled by sinusoidal vasculature. Architecturally, the organoid pattern (81.8%) was followed by the alveolar pattern. 68.2% of the cases showed apple bite nuclei as the predominant nuclear feature. Rare nuclear features included binucleation (n=13), multinucleation (n=8), pleomorphism (n=4), nuclear grooves in three cases and intranuclear inclusion in one case, mitosis (n=5), and focal necrosis (n=6). All cases were positive for TFE3 and negative for AE1/AE3, EMA, HMB45, PAX8, MyoD1, SMA, synaptophysin, and chromogranin. Only two cases showed focal S100 positivity while one showed focal desmin positivity. CONCLUSION Diffuse strong nuclear TFE3 positivity is sensitive for ASPS in an appropriate clinicoradiological context. Due to the high propensity for early metastasis, complete metastatic work-up and long term follow up is recommended.
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Affiliation(s)
- Kanwalpreet Kaur
- Department of Oncopathology, Gujarat Cancer and Research Institute, Ahmedabad, India
| | - Amisha Gami
- Department of Oncopathology, Gujarat Cancer and Research Institute, Ahmedabad, India
| | - Ashini Shah
- Department of Oncopathology, Gujarat Cancer and Research Institute, Ahmedabad, India
| | - Jahnvi Gandhi
- Department of Oncopathology, Gujarat Cancer and Research Institute, Ahmedabad, India
| | - Priti Trivedi
- Department of Oncopathology, Gujarat Cancer and Research Institute, Ahmedabad, India
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3
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Zhao J, Peng J, Liu J, Deng Q, Pang X. Primary Alveolar Soft-Part Sarcoma of the Lung: A Case Report. Int J Surg Pathol 2023; 31:98-103. [PMID: 35521911 DOI: 10.1177/10668969221096869] [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: 02/03/2023]
Abstract
Alveolar soft-part sarcoma is a rare type of soft tissue malignant tumor. Although the tumor can occur in many parts of the body, primary alveolar soft-part sarcoma of the lung is extremely rare. According to previous literature, only 3 cases of primary alveolar soft-part sarcoma of the lung were reported, and no comprehensive analysis was conducted on these cases. Here, we describe another case of alveolar soft-part sarcoma in the lung, where the negative results of immunohistochemical staining cause extreme difficulty in distinguishing this lesion from other tumors. A 30-year-old Chinese male presented with chest pain and dyspnea. Computed tomography revealed a pulmonary mass, and biopsy results showed vacuolar tumor cells with abundant eosinophilic cytoplasm. A number of immunohistochemical markers were negative, but the tumor cells were positive for TFE3 and ASPSCR1::TFE3 fusion gene. No other tumor masses were found in the patient after whole-body scanning. The final diagnosis was primary alveolar soft-part sarcoma of the lung. Pathologists should consider the possibility of alveolar soft-part sarcoma in lung tumors with typical "organ like" or "acinar like" cell nests, where the tumor cells are large, vacuolated, and the nucleolus is obvious. After excluding metastasis from other sites, TFE3 immunohistochemical staining and ASPSCR1::TFE3 fusion gene detection are recommended for the diagnosis of primary alveolar soft-part sarcoma.
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Affiliation(s)
- Jiangying Zhao
- Department of Pathology, 118385Mianyang Hospital of T.C.M, Mianyang, Sichuan 621000, P.R. China
| | - Jiao Peng
- Department of Pathology, 118385Mianyang Hospital of T.C.M, Mianyang, Sichuan 621000, P.R. China
| | - Jingtao Liu
- Department of Thoracic Surgery, 118385Mianyang Hospital of T.C.M, Mianyang, Sichuan 621000, P.R. China
| | - Qiang Deng
- Department of Thoracic Surgery, 118385Mianyang Hospital of T.C.M, Mianyang, Sichuan 621000, P.R. China
| | - Xiaojun Pang
- Department of Pathology, 118385Mianyang Hospital of T.C.M, Mianyang, Sichuan 621000, P.R. China
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4
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Xu Z, Wang J, Mao J, Xu D, Wu L, Zhou Y, Li X, Chen Z, Wang Y. Case report: Primary alveolar soft-part sarcoma of the lung in a child. Front Surg 2023; 10:927597. [PMID: 36891549 PMCID: PMC9986328 DOI: 10.3389/fsurg.2023.927597] [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: 05/06/2022] [Accepted: 01/30/2023] [Indexed: 02/22/2023] Open
Abstract
Alveolar soft-part sarcoma involving the lung is mostly metastatic in nature, while primary alveolar soft-part sarcoma involving the lung occurs more rarely. Herein, we report a rare case of a patient with primary alveolar soft-part sarcoma of the lung, which may represent the earliest onset of this condition reported thus far. In this patient, surgery was performed to excise the lesion to the greatest extent possible, and the combination of surgery with chemoradiotherapy and an antiangiogenic agent may provide an important reference for the development of standard or first-line treatment for such pediatric patients.
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Affiliation(s)
- Zhufei Xu
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Jinhu Wang
- Department of Oncology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Junqing Mao
- Department of Oncology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Dan Xu
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Lei Wu
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Yunlian Zhou
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Xuejing Li
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Zhimin Chen
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Yingshuo Wang
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
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Agaimy A, Stoehr R, Michal M, Christopoulos P, Winter H, Zhang L, Stenzinger A, Michal M, Mechtersheimer G, Antonescu CR. Recurrent YAP1-TFE3 Gene Fusions in Clear Cell Stromal Tumor of the Lung. Am J Surg Pathol 2021; 45:1541-1549. [PMID: 33899786 PMCID: PMC8516668 DOI: 10.1097/pas.0000000000001719] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Clear cell (hemangioblastoma-like) stromal tumor of the lung (CCST-L) is a recently described distinctive rare pulmonary neoplasm of unknown histogenesis and molecular pathogenesis. Only 7 cases have been reported in 2 recent studies, although additional cases might have been reported under the heading of extraneural pulmonary hemangioblastoma. We herein describe 4 CCST-L cases, 3 of them harboring a YAP1-TFE3 fusion. The fusion-positive tumors occurred in 3 women, aged 29, 56, and 69 years. All presented with solitary lung nodules measuring 2.3 to 9.5 cm. Histologically, all tumors showed similar features being composed of relatively uniform medium-sized epithelioid to ovoid cells with clear cytoplasm and small round monomorphic nuclei. Scattered larger cells with enlarged hyperchromatic nuclei and marked pleomorphism were noted in 2 cases. The tumors were associated with a hypervascularized stroma with variable but essentially subtle resemblance to capillary hemangioblastoma and perivascular epithelioid cell tumor (PEComa). Immunohistochemistry was negative for all lineage-specific markers. Targeted RNA sequencing showed a YAP1-TFE3 fusion in 3 of 4 cases. All 3 tumors showed homogeneous nuclear TFE3 immunoreactivity. Two patients were disease free at 36 and 12 months. The third patient had biopsy-proven synchronous renal and hepatic metastases, but extended follow-up is not available (recent case). The fourth case lacking the fusion affected a 66-year-old woman and showed subtle histologic differences from the fusion-positive cases, but had comparable TFE3 immunoreactivity. CCST-L represents a distinctive entity unrelated to hemangioblastoma and likely driven by recurrent YAP1-TFE3 fusions in most cases. The relationship of our cases to the recently reported "hemangioblastoma-like" CCST-L remains to be determined. Analysis of larger series is paramount to delineate the morphologic spectrum and biological behavior of this poorly characterized entity.
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Affiliation(s)
- Abbas Agaimy
- Institute of Pathology, Friedrich Alexander University Erlangen-Nürnberg, University Hospital, Erlangen, Germany
| | - Robert Stoehr
- Institute of Pathology, Friedrich Alexander University Erlangen-Nürnberg, University Hospital, Erlangen, Germany
| | - Michael Michal
- Department of Pathology, Charles University, Faculty of Medicine in Plzen, Czech Republic
- Bioptical Laboratory, Ltd., Plzen, Czech Republic
| | - Petros Christopoulos
- Department of Thoracic Oncology, Thoraxklinik, National Center for Tumor Diseases at Heidelberg University Hospital, Heidelberg, Germany, and Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Hauke Winter
- Department of Thoracic Surgery, Thoraxklinik, Heidelberg University Hospital, Heidelberg, Germany, and Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Lei Zhang
- Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, NY
| | | | - Michal Michal
- Department of Pathology, Charles University, Faculty of Medicine in Plzen, Czech Republic
- Bioptical Laboratory, Ltd., Plzen, Czech Republic
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Wang Y, Wang Y, Feng M, Lian X, Lei Y, Zhou H. Renal cell carcinoma associated with Xp11.2 translocation/transcription factor E3 gene fusion: an adult case report and literature review. J Int Med Res 2021; 48:300060520942095. [PMID: 33026261 PMCID: PMC7545772 DOI: 10.1177/0300060520942095] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Renal cell carcinoma (RCC) associated with Xp11.2 translocation/transcription factor E3 (TFE3) gene fusion is a rare and independent subtype of RCC included in the classification of MiT (microphthalmia-associated transcriptional factor) family translocation RCC. Herein, we report an adult case of Xp11.2 translocation RCC, and review the relevant literature to improve our understanding of the pathogenesis, epidemiology, clinical manifestations, diagnosis, differential diagnosis, treatment, and other aspects of the disease.
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Affiliation(s)
- Yuxiong Wang
- The Second Department of Urology, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Yuantao Wang
- The Second Department of Urology, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Mingliang Feng
- The Second Department of Urology, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Xin Lian
- The Second Department of Urology, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Yongsheng Lei
- The Second Department of Urology, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Honglan Zhou
- The Second Department of Urology, The First Hospital of Jilin University, Changchun, Jilin, China
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7
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Su H, Yu C, Ma X, Song Q. Combined immunotherapy and targeted treatment for primary alveolar soft part sarcoma of the lung: case report and literature review. Invest New Drugs 2021; 39:1411-1418. [PMID: 33765213 DOI: 10.1007/s10637-021-01105-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 03/16/2021] [Indexed: 12/18/2022]
Abstract
Primary acinar soft part sarcoma of the lung (ASPS) is a rare malignancy with unique cellular structure and clinical and genetic characteristics. Most patients do not exhibit clear clinical symptoms, with only a few developing respiratory symptoms. The typical histological characteristics are acinoid or organ-like structures. Immunofluorescence in situ hybridization suggests a rearrangement of the transcription factor E3 gene. Patients respond poorly to chemotherapy and are, thus, primarily treated with surgery and targeted therapy. We report herein a unique case of primary alveolar soft part sarcoma of the lung. The patient was a 24-year-old man with metastases to multiple organs, such as the brain, lungs, pancreas, and liver. The craniocerebral lesions attained partial remission after whole-brain radiotherapy and targeted combined immunotherapy, and other distant metastases completely disappeared after targeted combined immunotherapy (anlotinib and camrelizumab), indicating significant treatment efficacy. Anlotinib is an oral multi-target tyrosine kinase inhibitor (TKI) that exerts its anti-tumor effects by acting on various kinases. Camrelizumab is a humanized immunoglobulin G4 monoclonal antibody that can target PD-1 to block the interaction between PD-L1 and programmed death ligand 2, ultimately causing an anti-tumor effect. This is the first report of successful use of anlotinib combined with camrelizumab in the treatment of advanced primary ASPS. The treatment benefit provides preliminary evidence that targeted therapy, combined with immunotherapy, may be a safe and effective approach to treat primary pulmonary ASPS patients, thus warranting further investigation.
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Affiliation(s)
- Hui Su
- Department of Oncology, Liaocheng People's Hospital, Liaocheng, 252000, Shandong Province, China.,Qingdao University, Qingdao, 266000, Shandong Province, China
| | - Chao Yu
- Department of Orthopedics, Liaocheng People's Hospital, Liaocheng, 252000, Shandong Province, China
| | - Xuezhen Ma
- Department of Oncology, Qingdao Central Hospital, The Second Affiliated Hospital of Medical College of Qingdao University, Qingdao, 266000, Shandong, China
| | - Qingcui Song
- Department of Oncology, Liaocheng People's Hospital, Liaocheng, 252000, Shandong Province, China.
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8
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Bennett J, Laury R, Dai H, Walde C, Kasi A. A Curious Case of Colonic Perivascular Epithelioid Cell Tumor: A Unique Diagnosis With Variable Presentations. Cureus 2020; 12:e11164. [PMID: 33251071 PMCID: PMC7688055 DOI: 10.7759/cureus.11164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A 67-year-old female with a history of colon cancer underwent colonoscopy. An 8 mm semi-pedunculated, friable, and ulcerated lesion of the ascending colon was removed completely using a hot snare. Immunohistochemical staining showed strong positivity for transcription factor binding to IGHM enhancer 3 (TFE-3) and was partially positive for Human Melanoma Black (HMB-45), consistent with a diagnosis of perivascular epithelioid cell tumor (PEComa). The patient underwent endoscopic submucosal dissection of the residual lesion in the ascending colon without complications. Here, we discuss the clinical and histopathologic characterizations that helped guide the diagnosis and management of this exceedingly rare entity.
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Affiliation(s)
- Joseph Bennett
- Department of Internal Medicine, University of Kansas Medical Center, Kansas City, USA
| | - Raquele Laury
- Department of Pathology, University of Kansas Medical Center, Kansas City, USA
| | - Hongyan Dai
- Department of Pathology, University of Kansas Medical Center, Kansas City, USA
| | - Charles Walde
- Department of Internal Medicine, University of Kansas Medical Center, Kansas City, USA
| | - Anup Kasi
- Department of Oncology, University of Kansas Medical Center, Kansas City, USA
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Lysosome as a Central Hub for Rewiring PH Homeostasis in Tumors. Cancers (Basel) 2020; 12:cancers12092437. [PMID: 32867178 PMCID: PMC7565471 DOI: 10.3390/cancers12092437] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/18/2020] [Accepted: 08/21/2020] [Indexed: 02/06/2023] Open
Abstract
Cancer cells generate large quantities of cytoplasmic protons as byproducts of aberrantly activated aerobic glycolysis and lactate fermentation. To avoid potentially detrimental acidification of the intracellular milieu, cancer cells activate multiple acid-removal pathways that promote cytosolic alkalization and extracellular acidification. Accumulating evidence suggests that in addition to the well-characterized ion pumps and exchangers in the plasma membrane, cancer cell lysosomes are also reprogrammed for this purpose. On the one hand, the increased expression and activity of the vacuolar-type H+-ATPase (V-ATPase) on the lysosomal limiting membrane combined with the larger volume of the lysosomal compartment increases the lysosomal proton storage capacity substantially. On the other hand, enhanced lysosome exocytosis enables the efficient release of lysosomal protons to the extracellular space. Together, these two steps dynamically drive proton flow from the cytosol to extracellular space. In this perspective, we provide mechanistic insight into how lysosomes contribute to the rewiring of pH homeostasis in cancer cells.
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Sarcoma alveolar pulmonar primario. Un caso poco habitual. Med Clin (Barc) 2020; 154:285-286. [DOI: 10.1016/j.medcli.2019.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 02/22/2019] [Accepted: 03/07/2019] [Indexed: 11/20/2022]
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Chen SY, Sadanand A, Dillon PA, He M, Dehner LP, Leonard DS. Non-Neural (S-100 Negative) Bronchial Granular Cell Tumor Causing Acute Respiratory Failure. Fetal Pediatr Pathol 2020; 39:85-89. [PMID: 31286806 DOI: 10.1080/15513815.2019.1636431] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Introduction: Endobronchial granular cell tumors are uncommon in the pediatric population. Case report: A 9-year-old female presented with respiratory failure due to an endobronchial tumor. After debulking and diagnosis, she underwent thoracotomy with right upper lobe resection and bronchoplasty. Pathology demonstrated an endobronchial S-100 negative granular cell tumor, which to our knowledge, is the first such report in the literature. Conclusion: Endobronchial granular cell tumors may cause obstructive respiratory failure, are amenable to surgery, and may be S-100 negative.
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Affiliation(s)
- Stephanie Y Chen
- Otolaryngology - Head and Neck Surgery, Washington University in Saint Louis School of Medicine, Saint Louis, MO, USA
| | - Arhanti Sadanand
- Department of Pediatrics, Washington University School of Medicine in Saint Louis, Saint Louis, MO, USA
| | - Patrick A Dillon
- Department of Pediatric Surgery, Washington University School of Medicine in Saint Louis, Saint Louis, MO, USA
| | - Mai He
- Division of Pediatric Pathology, Washington University in Saint Louis School of Medicine, Pathology and Laboratory Medicine, Saint Louis, MO, USA
| | - Louis P Dehner
- Pathology and Immunology, Washington University in St. Louis, Saint Louis, MO, USA
| | - David S Leonard
- Otolaryngology - Head and Neck Surgery, Washington University in Saint Louis School of Medicine, Saint Louis, MO, USA
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Tao X, Tian R, Hao S, Li H, Gao Z, Liu B. Primary Intracranial Alveolar Soft-Part Sarcoma: Report of Two Cases and a Review of the Literature. World Neurosurg 2016; 90:699.e1-699.e6. [DOI: 10.1016/j.wneu.2016.02.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 01/29/2016] [Accepted: 02/01/2016] [Indexed: 12/18/2022]
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