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Dong GF, Hou YK, Ma Q, Ma SY, Wang YJ, Rexiati M, Wang WG. Cushing's syndrome caused by giant Ewing's sarcoma of the kidney: A case report and review of literature. World J Clin Cases 2024; 12:5431-5440. [PMID: 39156087 PMCID: PMC11238686 DOI: 10.12998/wjcc.v12.i23.5431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Revised: 06/06/2024] [Accepted: 06/26/2024] [Indexed: 07/05/2024] Open
Abstract
BACKGROUND Primary renal Ewing's sarcoma (ES) is extremely rare, and only two cases causing Cushing's syndrome (CS) have been reported to date. We report that the case of an 18-year-old patient is diagnosed primary renal ES with typical CS characterized by purple stripes, weight gain, and hypertension. CASE SUMMARY CS was first diagnosed by laboratory testing. A huge tumor was revealed in the kidney following an imaging examination. Moreover, brain and bone metastases were observed. After comprehensive treatment, primarily based on surgery, primary renal ES was pathologically diagnosed with a typical EWSR1-FLI1 genetic mutation through genetic testing. Furthermore, the glucocorticoid level returned to normal. By the ninth postoperative month of follow-up, the patient was recovering well. Cushing-related symptoms had improved, and a satisfactory curative effect was achieved. CONCLUSION Primary renal ES, a rare adult malignant tumor, can cause CS and a poor prognosis.
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Affiliation(s)
- Guo-Fan Dong
- Department of Urologic Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, Xinjiang Uygur Autonomous Region, China
| | - Ya-Kun Hou
- Department of Urologic Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, Xinjiang Uygur Autonomous Region, China
| | - Qi Ma
- Department of Urologic Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, Xinjiang Uygur Autonomous Region, China
| | - Shuang-Yu Ma
- Department of Urologic Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, Xinjiang Uygur Autonomous Region, China
| | - Yu-Jie Wang
- Department of Urologic Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, Xinjiang Uygur Autonomous Region, China
| | - Mulati Rexiati
- Department of Urologic Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, Xinjiang Uygur Autonomous Region, China
| | - Wen-Guang Wang
- Department of Urologic Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, Xinjiang Uygur Autonomous Region, China
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Malik S, Madan NK, Agrawal M, Yadav R, Barwad A. Bilateral primary ovarian Ewing sarcoma recurring as left submandibular lymphadenopathy diagnosed on cytology. Autops Case Rep 2024; 14:e2024499. [PMID: 39021466 PMCID: PMC11253908 DOI: 10.4322/acr.2024.499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 04/29/2024] [Indexed: 07/20/2024]
Abstract
Ewing sarcoma (ES) is a highly malignant and aggressive small round-cell tumor originating from primitive neuroepithelium and mesenchymal stem cells. It is usually seen in children and adolescents with a male predilection and a preponderance to occur in long bones. Although skeletal/soft tissue ES is encountered in clinical practice, primary ES of the genital tract, particularly bilateral primary ovarian ES, is highly uncommon, with only a handful of cases reported worldwide. Ovarian ES is occasionally reported to involve para-aortic and pelvic lymph nodes in advanced stages. Still, cervical lymph node metastasis from ovarian ES is an infrequent clinical occurrence and, when present, indicates a worse prognosis. Here, we present an intriguing case of bilateral peripheral primary ovarian ES in an adult female, recurring as metastasis in the left submandibular lymph node. This case underlines the importance of keeping metastasis from ES as a possible differential while diagnosing metastatic small round cell tumors in peripheral lymph nodes. It also highlights the usefulness of a minimally invasive diagnostic modality of fine needle aspiration cytology and cell block preparation with applied ancillary techniques of immunohistochemistry and confirmatory molecular testing by fluorescence in-situ hybridization (FISH), for an accurate and quick diagnosis of such entities. The cytological diagnosis of our patient helped in the prompt and early initiation of chemotherapy without requiring any invasive procedure.
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Affiliation(s)
- Shaivy Malik
- Vardhman Mahavir Medical College and Safdarjung Hospital, Department of Pathology, New Delhi, India
| | - Neha Kawatra Madan
- Vardhman Mahavir Medical College and Safdarjung Hospital, Department of Pathology, New Delhi, India
| | - Meetu Agrawal
- Vardhman Mahavir Medical College and Safdarjung Hospital, Department of Pathology, New Delhi, India
| | - Rajni Yadav
- All India Institute of Medical Sciences, Department of Pathology, New Delhi, India
| | - Adarsh Barwad
- All India Institute of Medical Sciences, Department of Pathology, New Delhi, India
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Hu X, Li D, Cai J. Experience of CT diagnosis and management of primary renal Ewing's sarcoma: A retrospective analysis of 6 cases and a literature review. Medicine (Baltimore) 2022; 101:e32189. [PMID: 36626543 PMCID: PMC9750559 DOI: 10.1097/md.0000000000032189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
To present the clinical experience of primary renal Ewing's sarcoma/primitive neuroectodermal tumors (rEWs/PNET) admitted to our hospital and systematically review the published literature. A retrospective analysis was performed on patients with pathologically confirmed renal EWs/PNET (rEWs) in our hospital, and the literature on rEWs published in PubMed and Embase databases before March 1, 2022 was searched for analysis. A total of 337 rEWs were included in the statistical analysis, including 6 cases of our patients and 331 cases published in the literature. The common clinical symptoms of rEWs are abdominal pain, hematuria, abdominal mass and so on. computed tomography (CT) plays an important role in the diagnosis of rEWs, and the typical manifestation is a large heterogeneous soft tissue density mass, with a specific "septum-like" enhancement in contrast-enhanced scan. The 2-year overall survival rate of rEWs was 48%, with a median survival time of 18 months. "Septum-like" enhancement on CT can be used as a relatively specific sign for the differential diagnosis of rEWs from Wilms tumor and neuroblastoma. The maximum diameter of the rEWs was usually greater than 10 cm, the clinical symptoms of weight loss, metastasis at diagnosis, tumor thrombogenesis of renal vein or/and inferior vena cava tumor, and the failure to undergo radical nephrectomy were the factors of poor prognosis. The incidence of primary rEWs is low and the prognosis is poor. Early diagnosis and radical nephrectomy combined with chemotherapy is the key to improve the prognosis of patients, and CT plays an important role in early diagnosis.
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Affiliation(s)
- Xianwen Hu
- Affiliated Hospital of Zunyi Medical University, Department of Nuclear Medicine, Zunyi, China
| | - Dandan Li
- Zunyi Hospital of Traditional Chinese Medicine, Department of Obstetrics, Zunyi, China
| | - Jiong Cai
- Affiliated Hospital of Zunyi Medical University, Department of Nuclear Medicine, Zunyi, China
- * Correspondence: Jiong Cai, Department of Nuclear Medicine, Affiliated Hospital of Zunyi Medical University, No. 149, Dalian Road, Huichuan District, Zunyi 563003, China (e-mail: )
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4
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刘 坤, 顾 湘, 陈 南, 游 玮, 魏 健, 马 林, 张 欣. [Clinical significance of tumor chemosensitivity assay in patients with head and neck cancer]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2022; 36:205-211. [PMID: 35193343 PMCID: PMC10128289 DOI: 10.13201/j.issn.2096-7993.2022.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Indexed: 06/14/2023]
Abstract
Objective:To evaluate the clinical significance of OncoDrug-Seq™ tumor gene detection in patients with head and neck malignancies. Methods:A retrospective analysis of 338 patients with locally advanced or unresectable head and neck malignancies admitted to the Department of Otorhinolaryngology Head and Neck Surgery, Chinese PLA General Hospital from April 2011 to February 2021. Among them, 301 patients were pathologically diagnosed as squamous cell carcinoma, 37 cases were non-squamous cell carcinoma. All patients underwent OncoDrug-Seq™ gene detection, combined with the test results and the treatment response after induction chemotherapy to evaluate whether to change the chemotherapy regimen, and to calculate the accuracy of the gene detection and the survival rate of the patient. Results:Among 301 patients with head and neck squamous cell carcinoma, the results of the drug sensitivity test were compared with the actual clinical response, the true positive rate(TP), true negative rate(TN), positive predictive value(PPV), negative predictive value(NPV) and total predictive accuracy rates were 85.37%, 65.45%, 91.70%, 50.00% and 81.73%, respectively. For patients who changed chemotherapy regimen(TN+FP) and did not change(TP+FN), the 5-year progression-free survival(PFS) was 63.45% and 80.58%(P<0.05), respectively, the 5-year overall survival(OS) was 54.18% and 84.74%(P<0.05). Among 37 patients with non-squamous cell carcinoma, the TP, TN, PPV, NPV and total predictive accuracy rates were 88.46%, 72.73%, 88.46%, 72.73%, and 83.78%, respectively. The 5-year PFS of the patients who changed(TN+FP) and did not change the treatment regimen(TP+FN) were 68.57% and 56.00%, and the 5-year OS was 69.26% and 48.72%, the difference was not statistically significant. Conclusion:OncoDrug-Seq™ testing has certain significance in guiding clinicians to formulate personalized chemotherapy regimens. Timely replacement of the treatment plan can enable the patient to obtain a more ideal curative effect. Compared with patients with squamous cell carcinoma, patients with non-squamous cell carcinoma can obtain greater survival benefit from this testing. However, there are still some deviations in the accuracy of the test results compared with the actual clinical situation. Therefore, the decision should be made based on the test results in combination with the clinical reality.
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Affiliation(s)
- 坤 刘
- 解放军总医院耳鼻咽喉头颈外科医学部 国家耳鼻咽喉疾病临床医学研究中心(北京,100853)College of Otolaryngology Head and Neck Surgery, Chinese PLA General Hospital, Chinese PLA Medical School, National Clinical Research Center for Otolaryngologic Diseases, Beijing, 100853, China
| | - 湘 顾
- 解放军总医院耳鼻咽喉头颈外科医学部 国家耳鼻咽喉疾病临床医学研究中心(北京,100853)College of Otolaryngology Head and Neck Surgery, Chinese PLA General Hospital, Chinese PLA Medical School, National Clinical Research Center for Otolaryngologic Diseases, Beijing, 100853, China
| | - 南翔 陈
- 解放军总医院耳鼻咽喉头颈外科医学部 国家耳鼻咽喉疾病临床医学研究中心(北京,100853)College of Otolaryngology Head and Neck Surgery, Chinese PLA General Hospital, Chinese PLA Medical School, National Clinical Research Center for Otolaryngologic Diseases, Beijing, 100853, China
| | - 玮 游
- 解放军总医院耳鼻咽喉头颈外科医学部 国家耳鼻咽喉疾病临床医学研究中心(北京,100853)College of Otolaryngology Head and Neck Surgery, Chinese PLA General Hospital, Chinese PLA Medical School, National Clinical Research Center for Otolaryngologic Diseases, Beijing, 100853, China
| | - 健 魏
- 解放军总医院耳鼻咽喉头颈外科医学部 国家耳鼻咽喉疾病临床医学研究中心(北京,100853)College of Otolaryngology Head and Neck Surgery, Chinese PLA General Hospital, Chinese PLA Medical School, National Clinical Research Center for Otolaryngologic Diseases, Beijing, 100853, China
| | - 林 马
- 解放军总医院放射治疗科Department of Radiotherapy, Chinese PLA General Hospital
| | - 欣欣 张
- 解放军总医院耳鼻咽喉头颈外科医学部 国家耳鼻咽喉疾病临床医学研究中心(北京,100853)College of Otolaryngology Head and Neck Surgery, Chinese PLA General Hospital, Chinese PLA Medical School, National Clinical Research Center for Otolaryngologic Diseases, Beijing, 100853, China
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Cochetti G, Paladini A, de Vermandois JAR, Fatigoni S, Zanelli M, Ascani S, Mearini E. Metastatic renal Ewing's sarcoma in adult woman: Case report and review of the literature. Open Med (Wars) 2021; 16:397-409. [PMID: 33748424 PMCID: PMC7957192 DOI: 10.1515/med-2021-0207] [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] [Received: 02/17/2020] [Revised: 11/22/2020] [Accepted: 12/09/2020] [Indexed: 01/18/2023] Open
Abstract
Primary renal extra-skeletal Ewing sarcoma is a rare neoplasm, often metastatic at diagnosis, and with a poor outcome. A multimodal approach is often the treatment of choice in this aggressive neoplasm. We present a case of primary renal extra-skeletal sarcoma in a 45-year-old woman who underwent tumor resection without clear margins. After no response to the first cycle of chemotherapy, we documented an early onset of local recurrence. The patient refused any other treatment and died four months after surgery.
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Affiliation(s)
- Giovanni Cochetti
- Department of Surgical and Biomedical Sciences, Urology Clinic, University of Perugia, Perugia, Italy
| | - Alessio Paladini
- Department of Surgical and Biomedical Sciences, Urology Clinic, University of Perugia, Perugia, Italy
| | | | - Sonia Fatigoni
- Department of Surgical and Biomedical Sciences, Medical Oncology, University of Perugia, Perugia, Italy
| | - Magda Zanelli
- Department of Oncology and Advanced Technologies, Pathology Unit, Arcispedale Santa Maria Nuova di Reggio Emilia, AUSL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Stefano Ascani
- Department of Experimental Medicine, Institute of Pathologic Anatomy, “Santa Maria” Hospital, Terni, Italy
| | - Ettore Mearini
- Department of Surgical and Biomedical Sciences, Urology Clinic, University of Perugia, Perugia, Italy
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6
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Tarek N, Said R, Andersen CR, Suki TS, Foglesong J, Herzog CE, Tannir NM, Patel S, Ratan R, Ludwig JA, Daw NC. Primary Ewing Sarcoma/Primitive Neuroectodermal Tumor of the Kidney: The MD Anderson Cancer Center Experience. Cancers (Basel) 2020; 12:cancers12102927. [PMID: 33050651 PMCID: PMC7599660 DOI: 10.3390/cancers12102927] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/30/2020] [Accepted: 10/05/2020] [Indexed: 02/03/2023] Open
Abstract
Limited information exists on the clinical behavior of the Ewing sarcoma family of tumors (ESFT) of the kidney. We reviewed the records of 30 patients (aged 8-69 years) with ESFT of the kidney seen at our institution between 1990 and 2013. We analyzed the event-free survival (EFS) and overall survival (OS) for associations with patient demographics, disease group, tumor size, tumor thrombus, and treatment. Six patients (20%) had tumors confined to the kidney (Group I), seven (23.3%) had local tumor extension beyond the kidney (Group II), and 17 (56.7%) had distant metastasis at diagnosis (Group III). Twenty-five (83.3%) patients underwent radical (19 upfront, five delayed) or partial (one upfront) nephrectomy, 25 (83.3%) chemotherapy and four (13.3%) radiotherapy. The 4-year EFS and OS were 43% (95% CI, 26-61%) and 63% (95% CI, 46-81%), respectively. EFS and OS were significantly associated with disease group and chemotherapy (p < 0.039). The presence of tumor thrombus in renal vein and/or inferior vena cava was associated with worse EFS (p = 0.053). Patients with disease confined to the kidney treated with nephrectomy and adjuvant chemotherapy have favorable outcomes. Local tumor extension beyond the kidney, tumor thrombus, and distant metastasis are unfavorable factors that warrant intensification or novel approaches of therapy.
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Affiliation(s)
- Nidale Tarek
- Department of Pediatrics, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (T.S.S.); (J.F.); (C.E.H.)
- Department of Pediatrics and Adolescent Medicine, American University of Beirut Medical Center, Beirut 1107, Lebanon
- Correspondence: (N.T.); (N.C.D.); Tel.: +1-713-792-6620 (N.C.D.)
| | - Rabih Said
- Department of Investigational Cancer Therapeutics, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Clark R. Andersen
- Department of Biostatistics, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Tina S. Suki
- Department of Pediatrics, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (T.S.S.); (J.F.); (C.E.H.)
| | - Jessica Foglesong
- Department of Pediatrics, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (T.S.S.); (J.F.); (C.E.H.)
- Division of Hematology, Oncology, Neuro-Oncology & Stem Cell Transplant, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL 60611, USA
| | - Cynthia E. Herzog
- Department of Pediatrics, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (T.S.S.); (J.F.); (C.E.H.)
| | - Nizar M. Tannir
- Department of Genitourinary Medical Oncology, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Shreyaskumar Patel
- Department of Sarcoma Medical Oncology, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (S.P.); (R.R.); (J.A.L.)
| | - Ravin Ratan
- Department of Sarcoma Medical Oncology, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (S.P.); (R.R.); (J.A.L.)
| | - Joseph A. Ludwig
- Department of Sarcoma Medical Oncology, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (S.P.); (R.R.); (J.A.L.)
| | - Najat C. Daw
- Department of Pediatrics, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (T.S.S.); (J.F.); (C.E.H.)
- Correspondence: (N.T.); (N.C.D.); Tel.: +1-713-792-6620 (N.C.D.)
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7
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Chao X, Bi Y, Li L. Ovarian primary primitive neuroectodermal tumor: a review of cases at PUMCH and in the published literature. Orphanet J Rare Dis 2019; 14:147. [PMID: 31217017 PMCID: PMC6585068 DOI: 10.1186/s13023-019-1106-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 05/27/2019] [Indexed: 12/21/2022] Open
Abstract
Background The pathological characteristics, treatment strategies and prognosis of ovarian primary primitive neuroectodermal tumor (PNET) were unclear due to the rarity of PNET. All cases treated at Peking Union Medical College Hospital (PUMCH) between 1975 and 2016 and published in the English literature between 1980 to 2017 were reviewed. Results Finally four cases from PUMCH and 15 cases in the literature were included. The median age was 25 years (range 13–79), and the median diameter of the tumors was 13.4 cm (range 5.0–30.0). The most common initial symptoms were abdominal pain, bloating and a pelvic mass. Diagnosis primarily depended on immunohistochemical and fluorescence in situ hybridization data. Treatment consisted of surgery, various chemotherapy regimens and/or radiotherapy. The 5-year overall survival (OS) and progression-free survival (PFS) rates were 15 and 52%, respectively. For patients with OS and PFS > 12 months, the median ages were 21 years (range 13–35) and 17 years (range 13–35), respectively, while for patients with OS < 12 months and PFS < 12 months, the median ages were 48 years (range 14–79) and 25 years (range 18–79), respectively. Conclusions No standard therapy for ovarian primary PNET exists, and an individualized strategy is recommended. Young patients seem to have better prognoses.
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Affiliation(s)
- Xiaopei Chao
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100730, China
| | - Yalan Bi
- Department of Pathology, Peking Union Medical College Hospital, Beijing, 100730, China
| | - Lei Li
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Shuaifuyuan No. 1, Dongcheng District, Beijing, 100730, China.
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8
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Ansari H, Banerjee I, Tomar V, Yadav SS. Primitive neuroectodermal tumor of kidney with Level III inferior vena cava thrombus. Urol Ann 2019; 11:105-108. [PMID: 30787583 PMCID: PMC6362795 DOI: 10.4103/0974-7796.250558] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Primitive neuroectodermal tumor (PNET) of the kidney is an extremely rare renal neoplasm with only about 50 reported cases in the literature. These tumors behave aggressively and carry a poor prognosis. A 22 years female patient presented with right lumber and right hypochondrium lump of 4 months duration. Commutated tomography revealed large right renal mass with renal vein and inferior vena cava (IVC) thrombus. Magnetic resonance imaging abdomen demonstrated the extension of tumor thrombus up to the junction of hepatic vein and IVC. Preoperative percutaneous needle biopsy was performed. Histopathology demonstrated small round to oval cells with scanty cytoplasm and cells are arranged in clusters. Immunohistochemical staining demonstrated a highly specific cluster of differentiation 99, confirming the diagnosis of a PNET.
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Affiliation(s)
- Haris Ansari
- Department of Urology and Renal Transplantation, SMS Medical College and Hospital, Jaipur, Rajasthan, India
| | - Indraneel Banerjee
- Department of Urology and Renal Transplantation, SMS Medical College and Hospital, Jaipur, Rajasthan, India
| | - Vinay Tomar
- Department of Urology and Renal Transplantation, SMS Medical College and Hospital, Jaipur, Rajasthan, India
| | - Sher Shingh Yadav
- Department of Urology and Renal Transplantation, SMS Medical College and Hospital, Jaipur, Rajasthan, India
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9
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Narayanan G, Rajan V, Preethi TR. Primitive neuroectodermal tumors of the kidney. Proc (Bayl Univ Med Cent) 2017; 30:205-208. [PMID: 28405084 DOI: 10.1080/08998280.2017.11929588] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Ewing's sarcoma/primitive neuroectodermal tumor (ES/PNET) rarely occurs as a primary renal tumor. The disease affects young adults and children and has an aggressive course. The clinical presentation and imaging of these tumors are nonspecific, and they often present at an advanced stage. We present the clinical features, imaging, diagnosis, and treatment of 7 cases of renal PNET (4 men, 3 women; median age, 32 years). Common presenting symptoms were flank or abdominal pain and a mass in the abdomen. On imaging, a large heterogenous infiltrating renal mass with areas of calcification, hemorrhage, and necrosis and tumor thrombus can give a clue to the diagnosis of renal PNET. Immunohistochemistry and molecular studies are essential to confirm the diagnosis. The prognosis of renal ES/PNET is generally poor. Radical nephrectomy combined with chemotherapy and radiotherapy is the standard treatment for renal PNET. An early and accurate diagnosis is crucial for the proper management of these aggressive tumors.
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Affiliation(s)
- Geetha Narayanan
- Departments of Medical Oncology (Narayanan, Rajan) and Pathology (Preethi), Regional Cancer Centre, Trivandrum, India
| | - Varun Rajan
- Departments of Medical Oncology (Narayanan, Rajan) and Pathology (Preethi), Regional Cancer Centre, Trivandrum, India
| | - T R Preethi
- Departments of Medical Oncology (Narayanan, Rajan) and Pathology (Preethi), Regional Cancer Centre, Trivandrum, India
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10
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Dong J, Xing J, Limbu HH, Yue S, Su L, Zhang D, Gao J. CT Features and Pathological Correlation of Primitive Neuroectodermal Tumor of the Kidney. Cell Biochem Biophys 2017; 73:59-64. [PMID: 25663534 DOI: 10.1007/s12013-015-0570-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The purpose of the study was to analyze the computed tomography (CT) findings of primitive neuroectodermal tumor (PNET) of the kidney and correlate them pathologically. Ten cases of pathologically confirmed renal PNET were collected and retrospectively reviewed. The CT features that were analyzed include tumor size, shape, margins, density, nature of enhancement, presence of thrombosis, and metastasis, etc. These parameters were correlated with pathological findings and combined with literature review. The median age of the patients was 30 years. CT images showed solitary, large, ill-defined, irregular, or lobulated heterogeneous mass. Invasive growth toward the renal cortex and pelvis with renal cortical interruptions were seen in eight cases with one case exhibiting invasion that extended beyond the renal capsule with soft tissue seen in the perirenal fat pace. The tumors were confined to the kidney contour with enlargement of kidney in six of the cases. Cystic changes with mural nodules were detected in three cases. Eight cases showed persistent moderate enhancement during the nephrographic phase. Irregular septum-like structures were seen in four cases. Thrombosis was detected in eight cases. Lymph node metastasis was detected in eight cases with bilateral lung metastasis in two and bone metastasis in one. Renal PNET is a rare highly aggressive disease affecting younger people. It should be considered as a strong differential when well confined, yet large tumors that cause enlargement of the kidney are seen and also when tumors expressing cystic changes along with mural nodules are seen. Although renal PNET has certain other characteristic CT features, pathological and immunohistochemistry report must also be sought for definitive diagnosis.
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Affiliation(s)
- Junqiang Dong
- Department of Radiology, The 1st Affiliated Hospital of Zhengzhou University, No.1 The Eastern Jian She Road, Zhengzhou, 450052, China
| | - Jingjing Xing
- Department of Radiology, The 1st Affiliated Hospital of Zhengzhou University, No.1 The Eastern Jian She Road, Zhengzhou, 450052, China
| | - Hangsha Hang Limbu
- Department of Radiology, The 1st Affiliated Hospital of Zhengzhou University, No.1 The Eastern Jian She Road, Zhengzhou, 450052, China
| | - Songwei Yue
- Department of Radiology, The 1st Affiliated Hospital of Zhengzhou University, No.1 The Eastern Jian She Road, Zhengzhou, 450052, China
| | - Lei Su
- Department of Radiology, The 1st Affiliated Hospital of Zhengzhou University, No.1 The Eastern Jian She Road, Zhengzhou, 450052, China
| | - Dandan Zhang
- Department of Pathology, The 1st Affiliated Hospital of Zhengzhou University, No.1 The Eastern Jian She Road, Zhengzhou, 450052, China
| | - Jianbo Gao
- Department of Radiology, The 1st Affiliated Hospital of Zhengzhou University, No.1 The Eastern Jian She Road, Zhengzhou, 450052, China.
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11
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Zokalj I, Igrec J, Plesnar A. Primary Renal Primitive Neuroectodermal Tumor/Ewing's Sarcoma Imaging and Pathologic Findings of a Patient with a Nine Year, Eight Month Disease Free Period: Case Report and Review of Literature. Nephrourol Mon 2016; 8:e37950. [PMID: 27703957 PMCID: PMC5039961 DOI: 10.5812/numonthly.37950] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Accepted: 04/30/2016] [Indexed: 11/16/2022] Open
Abstract
Introduction Primitive neuroectodermal tumor (PNET)/Ewing’s sarcoma (EWS) belongs to a family of neoplasms that are presumed to originate from the neuroectodermal crest. PNET/EWSs are highly aggressive malignancies that usually present in the form of bone or soft tissue masses and usually affect adolescents and young adults. Primary PNET/EWS of the kidney is very rare. Case Presentation We present the case of a 32-year-old female patient with primary renal PNET/EWS diagnosed nine years and eight months earlier. The patient presented with acute flank pain in the left lumbar region, hematuria, and episodes of high body temperature of 40°C. Abdominal ultrasound (US) and subsequently performed computed tomography (CT) revealed a large renal mass of heterogenous structure. The kidney tumor had central necrotic hypodense areas and strongly peripherally enhanced solid parts on postcontrast CT images. Immunohistochemistry revealed positivity for CD99 and neuron-specific enolase (NSE). Tumor cells were negative for CD3, CD 20, chromogranin, synaptophysin, vimentin, and neurofilament. Reverse transcription polymerase change reaction (RT-PCR) revealed EWS/FL1 translocation type 2. The patient underwent nephrectomy and polychemotherapy. The follow-up nine years and eight months after the diagnosis showed no evidence of tumor. Conclusions PNET/EWS should be included in the differential diagnosis of renal tumors in symptomatic young adults. Patients with localised PNET/EWS treated with a combination of surgery and chemotherapy have an excellent chance of long-term survival, as in the case we have presented.
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Affiliation(s)
- Ivan Zokalj
- Department of Radiology, County Hospital Cakovec, Cakovec, Croatia
- Corresponding author: Ivan Zokalj, Department of Radiology, County Hospital Cakovec, Cakovec, Croatia, E-mail:
| | - Jasminka Igrec
- Department of Radiology, County Hospital Cakovec, Cakovec, Croatia
| | - Antonio Plesnar
- Department of Surgery, Division of Urology, County Hospital Cakovec, Cakovec, Croatia
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Goel V, Talwar V, Dodagoudar C, Singh S, Sharma A, Patnaik N. Primary renal primitive neuroectodermal tumor. J Postgrad Med 2016; 61:126-8. [PMID: 25766349 PMCID: PMC4943429 DOI: 10.4103/0022-3859.150897] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Primitive Neuroectodermal Tumor of the kidney is a rare entity. Very few cases of primary renal PNET have been reported to date. Most literature about rPNET is isolated case reports. We report a case of rPNET in a 39-year-old male with a pre-operative diagnosis of renal cell carcinoma with renal vein thrombosis. The patient underwent radical nephrectomy with thrombolectomy, and histopathological examination revealed a highly aggressive tumor composed of monotonous sheets of round cells. Tumor cells were positive for CD 99 and FLI-1, hence confirming the diagnosis of Primitive Neuroectodermal Tumor. Post-surgery, patient was given VAC/IE-based adjuvant chemotherapy. In view of highly aggressive nature of this tumor, prompt diagnosis and imparting effective chemotherapy regimen to the patient is required, and it is important to differentiate PNET from other small round-cell tumors because of different therapeutic approach.
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Affiliation(s)
- V Goel
- Department of Medical Oncology, Rajiv Gandhi Cancer Institute and Research Center, New Delhi, India
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13
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Giridhar P, Mallick S, Damodara Kumaran, George A, Kaushal S, Julka PK. Primitive neuro-ectodermal tumour of kidney in adult: Report of four consecutive cases and review of the literature. J Egypt Natl Canc Inst 2015; 27:235-8. [PMID: 26077932 DOI: 10.1016/j.jnci.2015.05.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 04/21/2015] [Accepted: 05/10/2015] [Indexed: 10/23/2022] Open
Abstract
BACKGROUND PNET of kidney is a rare entity and its diagnosis is complicated by the presence of a number of differential diagnoses. The disease is most commonly seen in young adults. Radical nephrectomy and adjuvant chemotherapy is the standard treatment. However, the patients have a modest survival and often develop distant metastasis. We herein report four cases of renal PNET (rPNET). METHODOLOGY We retrospectively retrieved treatment chart of four cases of rPNET. RESULTS Median age was 29 years. Radical nephrectomy was performed in three cases. All four cases received multiagent chemotherapy. VAC alternating with IE was the commonest regimen. Compliance and tolerance to treatment was excellent. At the last follow up two patients were in complete remission whereas the remaining two cases had systemic metastasis and alive with disease. CONCLUSION Multimodality approach is required in rPNET. Patient with localized disease appears to have better disease control and survival.
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Affiliation(s)
- Prashanth Giridhar
- Department of Radiation Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - Supriya Mallick
- Department of Radiation Oncology, All India Institute of Medical Sciences, New Delhi, India.
| | - Damodara Kumaran
- Department of Radiation Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - Archana George
- Department of Radiation Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - Seema Kaushal
- Department of Radiation Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - Pramod Kumar Julka
- Department of Radiation Oncology, All India Institute of Medical Sciences, New Delhi, India
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Sawazaki H, Sengiku A, Imamura M, Takahashi T, Shirase T, Ogura K. A spontaneously ruptured primitive neuroectodermal tumor of the kidney: a case report and treatment strategy. Int Cancer Conf J 2015. [DOI: 10.1007/s13691-014-0163-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Hakky TS, Gonzalvo AA, Lockhart JL, Rodriguez AR. Primary Ewing sarcoma of the kidney: a symptomatic presentation and review of the literature. Ther Adv Urol 2013; 5:153-9. [PMID: 23730330 PMCID: PMC3655356 DOI: 10.1177/1756287212471095] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
The objective of this review is to discuss the unique nature of primary renal Ewing sarcoma, including incidence, presentation and management. We also report on a common pattern of presentation, consisting of acute flank pain mimicking a renal stone colic, with or without hydronephrosis, and a renal mass discovered during imaging studies of renal Ewing sarcoma. We present our case of renal Ewing sarcoma along with imaging and pathological analysis. We also performed a retrospective review of all cases of renal Ewing sarcoma using PubMed. A total of 48 cases of renal EWS sarcoma have been reported and analyzed in this review. A mean age of 30.4 years was found along with a 61% male predominance. The mean survival was 26.14 months with a lower median survival in patients with advanced metastatic disease. Primary Ewing sarcoma of the kidney is rare. The diagnosis of primary renal EWS can be difficult and is based on a combination of electron microscopy, immunohistochemistry, chromosomal analysis, fluorescence in situ hybridization (FISH) and light microscopy.
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Affiliation(s)
- Tariq S Hakky
- Department of Urology, University of South Florida, Tampa, FL, USA
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Sun C, Du Z, Tong S, Xu K, Ding W, Sun J, Ding Q. Primitive neuroectodermal tumor of the kidney: case report and review of literature. World J Surg Oncol 2012; 10:279. [PMID: 23270507 PMCID: PMC3544644 DOI: 10.1186/1477-7819-10-279] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2012] [Accepted: 10/18/2012] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Renal primitive neuroectodermal tumor (rPNET) as a member of Ewing's sarcoma family is extremely rare and usually occurs in children and young adults. Most literature about rPNET was isolated case reports. CASE PRESENTATION We reported a case of 45-year-old man with the complaint of right flank pain. Computerized tomography (CT) scan demonstrated a large substantive tumor involving the lower pole of the right kidney. Then the patient underwent radical nephrectomy. Pathologic characteristics and immunohistochemical analysis confirmed the diagnosis of rPNET. Additionally, the patient received three cycles of chemotherapy, and was still alive without metastasis at 15-months follow-up. CONCLUSION rPNET is rare and presents aggressive clinical behavior and worse prognosis. We expect that further awareness and study of this rare tumor can be had by presenting our case.
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Affiliation(s)
- Chuanyu Sun
- Department of Urology, Huashan Hospital, FudanUniversity, Middle Wulumuqi Road 12, Shanghai, 200040, China
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Qiu LL, Yu RS, Chen Y, Zhang Q. Sarcomas of abdominal organs: computed tomography and magnetic resonance imaging findings. Semin Ultrasound CT MR 2012; 32:405-21. [PMID: 21963162 DOI: 10.1053/j.sult.2011.04.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Sarcomas originating from abdominal organs are extremely rare, and literature in which investigators focus on their imaging features is scarce. This article aims to review the computed tomography and magnetic resonance imaging features of these rare tumors and to help in clinical diagnosis. Various sarcomas (eg, angiosarcoma, undifferentiated embryonal sarcoma, leiomyosarcoma, carcinosarcoma, rhabdomyosarcoma) originating, respectively, from different abdominal visceral organs (liver, pancreas, spleen, kidney, adrenal gland, uterus, and prostate gland) are reviewed along with cases we encountered.
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Affiliation(s)
- Ling-Ling Qiu
- Department of Radiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Primary Ewing's Sarcoma of the Kidney in a 73-Year-Old Man. Sarcoma 2011; 2011:978319. [PMID: 21776194 PMCID: PMC3137979 DOI: 10.1155/2011/978319] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2011] [Revised: 04/15/2011] [Accepted: 04/18/2011] [Indexed: 01/03/2023] Open
Abstract
Objective. Ewing's sarcoma of the kidney is rare and is usually found in young adults. We present here a single case study of Ewing's sarcoma found in an elderly man. Material and methods. A 73-year-old man underwent routine surgery for hydrocoele of the testis. He developed urinary obstruction symptoms, and radiological examinations revealed a tumour in the right kidney. Results. Microscopical, immunohistochemical, and molecular pathological analysis of the tumour was consistent with Ewing's sarcoma. FISH showed rearrangement of chromosomes 22q12 (EWSR1). The patient subsequently underwent nephrectomy followed by 6 adjuvant chemotherapy cycles. Follow-up after 7 months shows no recurrence. Conclusion. This case report presents not only the rare finding of Ewing's sarcoma in the kidney, but also the occurrence of this tumour entity in an elderly patient. Treatment options for the different types of renal tumours are vastly different and the need for a correct diagnosis is, therefore, vital.
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