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https://www.readbyqxmd.com/read/28341006/an-unusual-case-of-sudden-unexpected-death-due-to-massive-hemopericardium-from-primary-mediastinal-seminoma
#1
Supot Puanglumyai, Suree Lekawanvijit
It is well-known that cardiovascular disease is the most common cause of sudden unexpected death, especially in the young. However complete postmortem investigation performed by qualified forensic pathologists is crucial in establishing the exact cause and manner of death. Sudden death caused by a cardiac tamponade occurring secondarily to a primary mediastinal tumor is extremely unusual. An autopsy on a 25-year-old man who died unexpectedly discovered a massive hemopericardium in association with an anterosuperior mediastinal mass...
January 2017: Forensic Science International
https://www.readbyqxmd.com/read/28337783/primary-cutaneous-anaplastic-large-cell-lymphoma-with-intralymphatic-involvement-associated-with-chronic-lymphedema
#2
Peiyuan Fan, Lin Nong, Jingru Sun, Xiaoqing Liu, Marshall E Kadin, Ting Li, Ping Tu, Yang Wang
Chronic lymphedema predisposes to develop malignant cutaneous tumors, including angiosarcoma, Kaposi's sarcoma and B cell lymphoma. T cell malignancy has rarely been associated with chronic lymph stasis. Here we report a case of primary cutaneous anaplastic large cell lymphoma (pcALCL) with lymphatic spread associated with chronic lymphedema. The patient is a 56-year-old man who received orchiectomy and right inguinal lymphadenectomy for malignant seminoma 10 years ago, which led to prominent lymphedema of the right leg...
March 23, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28331169/-metachronous-bilateral-testicular-tumors-with-frequently-recurrent-hydrocele-a-case-report
#3
Satoshi Nitta, Shotaro Sakka, Tsuyoshi Endo, Manabu Komine, Akiko Sakata, Masakazu Tsutsumi, Koji Kawai, Hiroyuki Nishiyama
We report a case of metachronous bilateral testicular tumors combined with hydrocele. A 46-year-old male presented with frequently recurrent left hydrocele. His medical history included a stage IIA right testicular tumor,which had been treated with right high orchiectomy and retroperitoneal lymph node dissection 22 years ago. Magnetic resonance imaging (MRI) showed hydrocele and a low intensity area in the left testis,and the patient underwent left high orchiectomy. After cytological examination of the hydrocele it was categorized as class V,and after a pathological study it was diagnosed as seminoma and embryonal carcinoma...
March 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28322096/cdx2-immunostaining-in-primary-and-metastatic-germ-cell-tumours-of-the-testis
#4
Fatma Oz Atalay, Berna Aytac Vuruskan, Hakan Vuruskan
Objective To evaluate the immunohistochemical staining pattern of caudal type homeobox 2 (CDX2) protein in germ cell tumours (GCTs) of the testis. Methods This study reassessed archival tissue samples collected from patients diagnosed with primary and metastatic testicular GCTs for CDX2 immunoreactivity using standard immunohistochemical techniques. Positive nuclear immunostaining was evaluated with regard to both the staining intensity and the extent of the staining. Results Tissue sections from primary and metastatic testicular GCTs ( n = 104), germ cell neoplasia in situ (GCNis) ( n = 5) and benign testicles ( n = 15) were analysed...
December 2016: Journal of International Medical Research
https://www.readbyqxmd.com/read/28306215/primary-mediastinal-and-retroperitoneal-malignant-germ-cell-tumors-in-children-and-adolescents-results-of-the-tgm95-trial-a-study-of-the-french-society-of-pediatric-oncology-soci%C3%A3-t%C3%A3-fran%C3%A3-aise-des-cancers-de-l-enfant
#5
Hélène Sudour-Bonnange, Cécile Faure-Conter, Hélène Martelli, Frederic Hameury, Brice Fresneau, Daniel Orbach, Cécile Vérité
PURPOSE: To examine the clinical presentation, treatment and results in children and adolescents with primary mediastinal (PM) and retroperitoneal (RP) germ cell tumors (GCTs). METHODS: The TGM95 trial for malignant GCTs was conducted in France between 1995 and 2005 to evaluate a strategy adapted to prognostic factors with cisplatin-based chemotherapy and surgical management. We reviewed patients with TGCTs at PM and RP sites. RESULTS: Among 239 patients, there were 16 patients with PM and 5 with RP tumors, which represent 9% of all patients, highlighting the rarity of these extragonadal locations...
March 17, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28302141/dna-hypomethylation-and-aberrant-expression-of-the-human-endogenous-retrovirus-ervwe1-syncytin-1-in-seminomas
#6
Martina Benešová, Kateřina Trejbalová, Denisa Kovářová, Zdenka Vernerová, Tomáš Hron, Dana Kučerová, Jiří Hejnar
BACKGROUND: Syncytin-1 and 2, human fusogenic glycoproteins encoded by the env genes of the endogenous retroviral loci ERVWE1 and ERVFRDE1, respectively, contribute to the differentiation of multinucleated syncytiotrophoblast in chorionic villi. In non-trophoblastic cells, however, the expression of syncytins has to be suppressed to avoid potential pathogenic effects. Previously, we have shown that the transcriptional suppression of ERVWE1 promoter is controlled epigenetically by DNA methylation and chromatin modifications...
March 17, 2017: Retrovirology
https://www.readbyqxmd.com/read/28296679/primary-cystic-trophoblastic-tumor-of-the-testis-a-study-of-14-cases
#7
Dibson D Gondim, Thomas M Ulbright, Liang Cheng, Muhammad T Idrees
Cystic trophoblastic tumor (CTT) has been described in postchemotherapy retroperitoneal lymph node dissections of patients with testicular germ cell tumors. Prognostically, this lesion is similar to teratoma and no further treatment is required after surgery in the absence of other components. CTT has not, however, been reported in the testis. We identified 14 CTTs in the treated (4) and untreated (9; no information for 1 patient) testes of patients 15 to 43 years old (median, 25) with mixed germ cell tumors...
March 14, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28286686/synchronous-seminoma-in-abdominopelvic-and-inguinal-testes-a-rare-presentation-with-unusual-morphology
#8
Neha Prabhakar, Bhawna Sethi, Seema Nagger, Arun Saxena
The development of testes occurs in the abdomen during fetal life, after which they migrate into the scrotal sacs during the third trimester. During their descent, they may get arrested anywhere along the tract. Risk of testicular cancer is higher in patients with undescended testes, abdominal testis being more prone than inguinal. Seminoma is the commonest cancer in undescended testis. However, synchronous seminoma involving bilateral cryptorchid testis is rare. Present case is uncommon due to synchronous involvement of abdominopelvic and inguinal testes in extended age...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28281024/retinal-toxicity-after-cisplatin-based-chemotherapy-in-patients-with-germ-cell-cancer
#9
Simon Dulz, Niels H Asselborn, Klaus-Peter Dieckmann, Cord Matthies, Walter Wagner, Jens Weidmann, Christoph Seidel, Christoph Oing, Lars A Berger, Winfried Alsdorf, Blanche Mankichian, Christian Meyer, Malte W Vetterlein, Philipp Gild, Tim A Ludwig, Armin Soave, Philipp Schriefer, Andreas Becker, Sascha A Ahyai, Karin Oechsle, Carsten Bokemeyer, Lars Wagenfeld, Margit Fisch, Michael Hartmann, Felix K-H Chun, Luis A Kluth
PURPOSE: Visual impairment represents an infrequent form of cisplatin-induced neurotoxicity; however, visual deterioration has been reported in several studies. To evaluate potential morphological and functional retinal alterations in patients with germ cell cancer (GCC) treated with cisplatin-based chemotherapy (CBC). METHODS: Multi-disciplinary and multi-institutional study design. Examination of 28 eyes of 14 male GCC patients, who had received at least one cycle of CBC...
March 9, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28267523/diffusion-weighted-magnetic-resonance-imaging-in-the-characterization-of-testicular-germ-cell-neoplasms-effect-of-roi-methods-on-apparent-diffusion-coefficient-values-and-interobserver-variability
#10
Athina C Tsili, Alexandra Ntorkou, Loukas Astrakas, Vasilis Xydis, Stavros Tsampalas, Nikolaos Sofikitis, Maria I Argyropoulou
INTRODUCTION: To evaluate the difference in apparent diffusion coefficient (ADC) measurements at diffusion-weighted (DW) magnetic resonance imaging of differently shaped regions-of-interest (ROIs) in testicular germ cell neoplasms (TGCNS), the diagnostic ability of differently shaped ROIs in differentiating seminomas from nonseminomatous germ cell neoplasms (NSGCNs) and the interobserver variability. MATERIALS AND METHODS: Thirty-three TGCNs were retrospectively evaluated...
April 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28266817/antioxidant-enzyme-profile-and-lipid-peroxidation-products-in-semen-samples-of-testicular-germ-cell-tumor-patients-submitted-to-orchiectomy
#11
Camila Sposito, Mariana Camargo, Danielle Spinola Tibaldi, Valéria Barradas, Agnaldo Pereira Cedenho, Marcílio Nichi, Ricardo Pimenta Bertolla, Deborah Montagnini Spaine
PURPOSE: To determine enzymatic antioxidant and lipid peroxidation levels in seminal plasma of patients orchiectomized for testicular tumors. MATERIALS AND METHODS: The study included 52 patients: 26 control men and 26 orchiectomized patients for testicular tumor, of which 12 men had seminoma tumor and 14 men non-seminoma tumor. After semen analysis performed according to the WHO guidelines, an aliquot of semen was centrifuged and the seminal plasma was collected...
March 7, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28258732/immunohistochemical-expression-of-placental-alkaline-phosphatase-in-five-cases-of-seminoma-in-rabbits
#12
B Banco, J Ferreira da Silva, S Cotti Cometti, D Stefanello, V Grieco
Testicular seminoma is reported in the rabbit but data about the immunophenotype of these tumours are lacking. The classification of human testicular germ cell tumours includes spermatocytic tumour (ST) originating from the post-pubertal spermatogonia/spermatocytes, which metastasizes rarely, and seminoma (SE), originating from gonocytes, which is malignant and metastasizes frequently. Gonocytes express placental alkaline phosphatase (PLAP) and are stained with periodic acid-Schiff (PAS). We report five cases of seminoma in pet rabbits...
February 28, 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28250931/chylothorax-and-central-vein-thrombosis-an-under-recognized-association-a-case-series
#13
Sze Shyang Kho, Siew Teck Tie, Swee Kim Chan, Mei Ching Yong, Sing Ling Chai, Pei Jye Voon
Chylothorax is defined as the presence of chyle in the pleural cavity. Central vein thrombosis is an under-recognized cause of chylothorax in the adult population and is commonly related to central venous catheterization. Case 1 illustrates a patient with AIDS and disseminated tuberculosis with left chylothorax and central vein thrombosis after a month of antituberculosis therapy. Case 2 was a patient with advanced seminoma who presented with left chylothorax and central vein thrombosis while on chemotherapy...
May 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/28244655/the-plasticity-of-germ-cell-cancers-and-its-dependence-on-the-cellular-microenvironment
#14
REVIEW
Daniel Nettersheim, Hubert Schorle
So far, the understanding of germ cell cancer (GCC) pathogenesis is based on a model, where seminomas and non-seminomas represent distinct entities although originating from a common precursor termed germ cell neoplasia in situ (GCNIS). Embryonal carcinomas (ECs), the stem cell population of the non-seminomas, is pluri- to totipotent and able to differentiate into cells of all three germ layers, giving rise to teratomas or tumours mimicking extraembryonic tissues (yolk sac tumours, choriocarcinomas). With regard to gene expression, (epi)genetics and histology, seminomas are highly similar to GCNIS and primordial germ cells, but limited in development...
February 28, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28241106/future-of-testicular-germ-cell-tumor-incidence-in-the-united-states-forecast-through-2026
#15
Armen A Ghazarian, Scott P Kelly, Sean F Altekruse, Philip S Rosenberg, Katherine A McGlynn
BACKGROUND: Testicular germ cell tumors (TGCTs) are rare tumors in the general population but are the most commonly occurring malignancy among males between ages 15 and 44 years in the United States (US). Although non-Hispanic whites (NHWs) have the highest incidence in the US, rates among Hispanics have increased the most in recent years. To forecast what these incidence rates may be in the future, an analysis of TGCT incidence in the Surveillance, Epidemiology, and End Results program and the National Program of Cancer Registries was conducted...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28218476/overexpression-of-tet-dioxygenases-in-seminomas-associates-with-low-levels-of-dna-methylation-and-hydroxymethylation
#16
Martina Benešová, Kateřina Trejbalová, Dana Kučerová, Zdenka Vernerová, Tomáš Hron, Arpád Szabó, Rachel Amouroux, Petr Klézl, Petra Hajkova, Jiří Hejnar
Germ cell tumors and particularly seminomas reflect the epigenomic features of their parental primordial germ cells, including genomic DNA hypomethylation and expression of pluripotent cell markers. Because the DNA hypomethylation might be a result of TET dioxygenase activity, we examined expression of TET1-3 enzymes and the level of their product, 5-hydroxymethylcytosine, in a panel of histologically characterized seminomas and non-seminomatous germ cell tumors. Expression of TET dioxygenase mRNAs was quantified by real-time PCR...
February 20, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28216936/seminoma-of-undescended-testis-with-urinary-bladder-metastasis-a-case-report-with-review-of-literature
#17
Syed Althaf, Kiran Shankar, Vishnu Kurpad, M N Suma
Cryptorchidism is the most common predisposing factor in the development of testicular germ cell tumors. Seminoma is the most common malignancy developing in a cryptorchid testis, usually has lymphatic but rarely hematogenous metastasis. The Urinary Bladder is an extremely rare site of metastasis of seminoma metastasis. A 29-year-old male patient presented to us with a history of infertility and an intra-abdominal mass. He was investigated and treated and was found to have an intra-abdominal seminoma with synchronous urinary bladder metastasis...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28216275/reliability-of-frozen-section-examination-in-a-large-cohort-of-testicular-masses-what-did-we%C3%A2-learn
#18
Deliu Victor Matei, Mihai Dorin Vartolomei, Giuseppe Renne, Valeria Maria Lucia Tringali, Andrea Russo, Roberto Bianchi, Gabriele Cozzi, Danilo Bottero, Gennaro Musi, Giovanni Mazzarol, Matteo Ferro, Ottavio de Cobelli
BACKGROUND: Frozen section examination (FSE) for testicular masses is gaining popularity because of the possibility of performing testis-sparing surgery (TSS) on the basis of the FSE results. The aim of our study was to investigate the reliability of FSE in the diagnosis of testicular masses. PATIENTS AND METHODS: From 1999 to 2016, 144 of 692 patients who underwent surgery in our tertiary center for testicular masses had FSE. The indications for FSE were: masses < 1 cm, nonpalpable, multiple, or with unusual presentation...
February 1, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28169230/adjuvant-treatment-for-stage-i-seminoma-why-radiotherapy-is-better-than-carboplatin
#19
REVIEW
Prahlad H Yathiraj, Krishna Sharan, Donald J Fernandes, M S Vidyasagar
Adjuvant treatment options for Stage I seminoma include active surveillance, chemotherapy, and radiotherapy. Active surveillance may not be ideal for the average Indian patient. Of the two accepted adjuvant therapy options, namely single-dose carboplatin chemotherapy and radiotherapy to the retroperitoneal nodes, though it intuitively appears more appealing, a deeper review reveals the potential drawbacks of chemotherapy. This article highlights the misconceptions regarding carboplatin and provides reasons for an argument why radiotherapy is better when a patient with Stage I seminoma chooses to undergo adjuvant treatment...
October 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28163811/retroperitoneal-hematoma-following-radical-orchiectomy-two-cases
#20
Rachel Glicksman, Robert J Hamilton, Peter Chung
Treatment of testicular cancer is dependent on the stage of disease at presentation. Stage 1 testicular cancer is treated with radical orchiectomy, followed by active surveillance, radiotherapy, or chemotherapy. Occasionally, unusual and unexpected postoperative changes can be seen on computed tomography (CT), and may raise concern for metastatic disease. Here, we present two cases of testicular cancer patients who developed retroperitoneal hematomas post-radical orchiectomy, one as a classical clinical presentation, and the other as an atypical radiological entity only...
January 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
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