Polymorphism of clinical manifestation of HPV infection in the genital mucosa - 3-year retrospective study.

CONCLUSIONS: Our study demonstrated that 35% (7/20) of HSIL-confirmed biopsies previously had negative HPV assays. Despite the previous negative HPV tests, a wide variety of HPV genotypes has been detected in most biopsies. In our case, we frequently identified the HPV 59 and 45 strains, 51 cases with HSIL lesions presented a first positive HPV test, 13 cases with low-grade squamous intraepithelial lesion (LSIL) showed three negative HPV tests. Prevention plays an important role in reducing the incidence of cervical cancer cases. The Pap test is now considered the primary prevention method, but consecutive vaccination significantly increases protection against high-risk HPV strains. Education plays an important role in the prophylaxis of HPV infection and cancer. It should be instituted in schools, from puberty age through partnerships or government programs with public health directorates and university hospitals or using European funds. PMID: 32239100 [PubMed - in process]
Source: Romanian Journal of Morphology and Embryology - Category: General Medicine Tags: Rom J Morphol Embryol Source Type: research

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This study reports the clinicopathologic features of 31 cases with a TP53 mutation involving nuclear localization, the largest study to date, emphasizing practical strategies for recognizing this uncommon variant and distinguishing it from the p53 wild-type pattern. The study also evaluates the prognostic significance of TP53 mutation involving nuclear localization in the ovarian high-grade serous carcinoma (HGSC) cohort of The Cancer Genome Atlas database. Most of the 31 tumors were advanced stage pelvic or endometrial HGSC. All TP53 mutations were predicted to result in loss of function. The p53 overexpression pattern wa...
Source: The American Journal of Surgical Pathology - Category: Pathology Tags: Original Articles Source Type: research
Ovarian clear cell carcinoma (OCCC) and ovarian endometrioid carcinoma (OEC) are both associated with endometriosis but differ in histologic phenotype, biomarker profile, and survival. Our objectives were to refine immunohistochemical (IHC) panels that help distinguish the histotypes and reassess the prevalence of mismatch repair deficiency (MMRd) in immunohistochemically confirmed OCCC. We selected 8 candidate IHC markers to develop first-line and second-line panels in a training set of 344 OCCC/OEC cases. Interobserver reproducibility of histotype diagnosis was assessed in an independent testing cohort of 100 OCC/OEC ini...
Source: The American Journal of Surgical Pathology - Category: Pathology Tags: Original Articles Source Type: research
This study supports the proposal for the usage of the term “EBV-associated pulmonary carcinoma” to encompass the entire morphologic spectrum of this distinct EBV-associated disease entity.
Source: The American Journal of Surgical Pathology - Category: Pathology Tags: Original Articles Source Type: research
Extraneural metastases of glioblastoma (GBM), although rare, are becoming an increasingly recognized occurrence. Currently, the biological mechanism underlying this rare occurrence is not understood. To explore the potential genomic drivers of extraneural metastasis in GBM, we present the molecular features of 4 extraneural metastatic GBMs, along with a comprehensive review and analysis of previously reported cases that had available molecular characterization. In addition to our 4 cases, 42 patients from 35 publications are reviewed. To compare the molecular profiles between GBM cases with extraneural metastasis and the g...
Source: The American Journal of Surgical Pathology - Category: Pathology Tags: Original Articles Source Type: research
High-grade prostatic adenocarcinoma involving duct/acinar structures is labeled intraductal carcinoma of the prostate (IDCP). As numerous studies have shown that IDCP is associated with high stage disease with a significant negative impact on cancer-specific survival, accurate diagnosis is crucial to ensure appropriate patient management. The definition of IDCP recommended by 2016 World Health Organization (WHO) classification suggests that cases of IDCP with micropapillary or loose cribriform architecture without comedonecrosis should have cells with ≥6× nuclear enlargement. It is unclear how this size criterion ...
Source: The American Journal of Surgical Pathology - Category: Pathology Tags: Original Articles Source Type: research
We report a novel NIPBL-NACC1 gene fusion in a rare primary hepatic neoplasm previously described as the “cholangioblastic variant of intrahepatic cholangiocarcinoma.” The 2 index cases were identified within our consultation files as morphologically distinctive primary hepatic neoplasms in a 24-year-old female and a 54-year-old male. The neoplasms each demonstrated varied architecture, including trabecular, organoid, microcystic/follicular, and infiltrative glandular patterns, and biphasic cytology with large, polygonal eosinophilic cells and smaller basophilic cells. The neoplasms had a distinctive immunoprof...
Source: The American Journal of Surgical Pathology - Category: Pathology Tags: Original Articles Source Type: research
p16 is the most useful diagnostic marker for human papillomavirus (HPV)-associated anogenital lesions. In the cervix, the pattern of p16 immunoreactivity generally correlates with lesion severity. p16 expression in anal intraepithelial neoplasia (AIN) is far less studied. Whether such correlation holds true has to be determined. We correlated the degree and pattern of p16 immunohistochemistry (IHC) results with morphologic diagnoses of 1000 anal squamous and transitional zone biopsy specimens. Using the Lower Anogenital Squamous Terminology criteria, p16 IHC results were classified as block staining, partial staining, or n...
Source: The American Journal of Surgical Pathology - Category: Pathology Tags: Original Articles Source Type: research
No abstract available
Source: Nursing - Category: Nursing Tags: Department: INFOBYTES Source Type: research
An advisory panel to the F.D.A. will consider Pfizer ’s application for those ages 5-to-11 on Tuesday.
Source: NYT Health - Category: Consumer Health News Authors: Tags: Coronavirus (2019-nCoV) Vaccination and Immunization Children and Childhood Johnson & Moderna Inc Pfizer Inc Fauci, Anthony S United States Source Type: news
OBJECTIVES: To assess outcomes of cancer patients receiving kidney replacement therapy due to acute kidney injury in ICUs and compare these with other patient groups receiving kidney replacement therapy in ICUs. DESIGN: Retrospective registry analysis. SETTING: Prospectively collected database of 296,424 ICU patients. PATIENTS: Patients with and without solid cancer with acute kidney injury necessitating kidney replacement therapy were identified and compared with those without acute kidney injury necessitating kidney replacement therapy. INTERVENTIONS: Descriptive statistics were used to as...
Source: Critical Care Medicine - Category: Emergency Medicine Tags: Clinical Investigations Source Type: research
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