Spontaneous gas in a retroperitoneal mass: check the testis!

ABSTRACT Testicular germ cell tumor is the most common cancer in 20-to 35-years-old men. There are known risk factors such as undescended testicle(s) and history of testicular cancer. Most lesions are germ cell tumors with two main subtypes: seminomas and non-seminomatous germ cell tumors.
Source: International Braz J Urol - Category: Urology & Nephrology Source Type: research

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CONCLUSION: These rare cases should alert clinicians of the possibility of multiple GCTs that should not be considered to be relapses. The underlying physiopathology is unknown, but multiple PGC mismigrations is a likely cause. Initial treatment with cisplatin may select chemo-resistant clones, thereby making the subsequent treatment more of a challenge. PMID: 33017201 [PubMed - as supplied by publisher]
Source: Cancer Investigation - Category: Cancer & Oncology Tags: Cancer Invest Source Type: research
CONCLUSIONS: There was a negative correlation between the number of LNs containing metastatic deposits and LN density and recurrent disease. PMID: 33010987 [PubMed - as supplied by publisher]
Source: Actas Urologicas Espanolas - Category: Urology & Nephrology Authors: Tags: Actas Urol Esp Source Type: research
AbstractIntroductionhTERT (human telomerase reverse transcriptase) is a catalytic subunit of the enzyme telomerase and has a role in cell proliferation, cellular senescence, and human aging.Materials and methodsThe purpose of this study was to evaluate the expression and significance of hTERT protein expression as a prognostic marker in different histological subtypes of testicular germ cell tumors (TGCTs), including 46 embryonal carcinomas, 46 yolk sac tumors, 38 teratomas, 84 seminomas as well as two main subtypes of seminomas and non-seminomas using tissue microarray (TMA) technique.ResultsThe results showed that there ...
Source: Journal of Cancer Research and Clinical Oncology - Category: Cancer & Oncology Source Type: research
Abstract While the majority of patients with advanced testicular germ cell tumors (GCT) achieve complete responses after chemotherapy and if indicated after postchemotherapy resection of residual lesions, about 20% of patients have incomplete responses or show relapses. Moreover, toxicity of chemotherapy is high, and severe adverse chronic effects have been described. Therefore, there is an urgent need for biomarkers that could help to improve tumor staging, and support decision-making, ideally including monitoring of therapy response and prediction of relapse. Besides the well-established serum markers lactate de...
Source: Mol Biol Cell - Category: Molecular Biology Authors: Tags: Methods Mol Biol Source Type: research
Abstract Type II testicular germ cell tumors (GCTs) can be classified as seminoma or embryonal carcinoma. Both subtypes present distinct cellular morphologies and characteristics. Seminomas closely resemble primordial germ cells (PGCs) with respect to their transcriptome and epigenetic signature (DNA hypomethylation). They express the pluripotency markers LIN28, NANOG, and OCT3/4 and the PGC markers SOX17, PRDM1, TFAP2C, DMRT1, and cKIT. Embryonal carcinomas show increased levels of DNA methylation (hypermethylation). They also express the pluripotency markers LIN28, NANOG, and OCT3/4, but additionally DNMT3B and ...
Source: Mol Biol Cell - Category: Molecular Biology Authors: Tags: Methods Mol Biol Source Type: research
Seminoma accounts for 30 –50% of testicular germ cell tumors (TGCT)—the most common solid malignancy in men aged 15–35 years. The American Joint Committee on Cancer (AJCC) 8th edition (2018) created the subclas...
Source: BMC Urology - Category: Urology & Nephrology Authors: Tags: Research article Source Type: research
ConclusionThe testicular germ cell tumor patients ’ mean age was nearly 40 years. The proportions of older testicular germ cell tumor patients and diffuse large B-cell lymphoma patients were higher than previously thought. The reasons for this trend are unknown, but it is important to address the trend identified herein in a country with a super -aging population.
Source: Japanese Journal of Clinical Oncology - Category: Cancer & Oncology Source Type: research
CONCLUSIONS: Only 10% of orchiectomy specimens underwent a second pathology review, with nearly 40% of reviews leading to a meaningful change in parameters. Such variation could lead to incorrect tumor staging, estimate of relapse risk, and inappropriate treatment decisions. Expert pathology review of RO specimens should be considered, as it has significant implications for decision making. PMID: 32574142 [PubMed - as supplied by publisher]
Source: Canadian Urological Association Journal - Category: Urology & Nephrology Authors: Tags: Can Urol Assoc J Source Type: research
The International Society of Urological Pathology (ISUP) organized a Consultation Conference in March 2019 dealing with applications of molecular pathology in Urogenital Pathology, including testicular tumors (with a focus on germ cell tumors [GCTs]), preceded by a survey among its members to get insight into current practices in testicular germ cell tumor (TGCT) diagnostics and adoption of the ISUP immunohistochemical guidelines published in 2014. On the basis of the premeeting survey, the most commonly used immunomarker panel includes OCT3/4, placental alkaline phosphate, D2-40, SALL4, CD117, and CD30 for GCTs and the do...
Source: The American Journal of Surgical Pathology - Category: Pathology Tags: Special Articles Source Type: research
The objective was to distill through discussion around cases, expert approach to working through these challenges. Herein we present a summary of discussion from the workshop around controversies in the management of clinical stage 1 (CS1) disease. CS1 represents organ confined non-metastatic testis cancer that represents approximately 70-80% of men at presentation. Regardless of management, CS1 has an excellent prognosis. However, without adjuvant treatment, approximately 30% of CS1 nonseminomatous germ cell tumors (NSGCT) and 15% of CS1 seminoma relapse. The workshop reviewed that while surveillance has become the standa...
Source: Canadian Urological Association Journal - Category: Urology & Nephrology Authors: Tags: Can Urol Assoc J Source Type: research
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