Publications by authors named "John Grove"

-rearranged sarcomas are rare, high-grade, undifferentiated, small round cell sarcomas of bone and soft tissue classified by gene fusions involving the gene with other gene partners, most commonly the gene. These tumors tend to affect a wide age range, with a predilection for adult males, with the most common anatomical location being the deep soft tissues of the limbs or trunk. -rearranged sarcomas have proven not only to be challenging to diagnose but also to treat due to their high resistance to conventional therapies.

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Glioma-associated oncogene (-altered mesenchymal tumors are a newly described entity of neoplasms with very few case reports published in the literature. -altered neoplasms have a moderate degree of variability as they are seen in a broad range of anatomic sites and amongst people of all ages. A common feature that most -altered tumors share is the histologic makeup of monomorphic ovoid cells organized in distinct nests and an arborizing vascular blood supply.

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Synovial sarcoma is a malignant soft tissue tumor of uncertain differentiation. It is typically seen in the deep soft tissue of the extremities; however, it has been reported to occur anywhere in the body. Synovial sarcoma by histomorphology has multiple subtypes, including monophasic spindle cell, biphasic and poorly differentiated subtypes.

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  • Schwannomas are benign tumors that arise from Schwann cells in the peripheral nervous system, featuring both dense (Antoni A) and looser (Antoni B) tissue areas.
  • They mostly occur randomly but can be linked to genetic conditions like neurofibromatosis type 2.
  • A recent case involved a 61-year-old woman whose resected schwannoma showed unusual squamous metaplasia, a finding not previously documented, which could help pathologists identify similar cases in the future.
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Background: Living practice guidelines are increasingly being used to ensure that recommendations are responsive to rapidly emerging evidence.

Objective: To develop a framework that characterizes the processes of development of living practice guidelines in health care.

Design: First, 3 background reviews were conducted: a scoping review of methods papers, a review of handbooks of guideline-producing organizations, and an analytic review of selected living practice guidelines.

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Collision tumors are rare neoplasms that consist of at least two different cell lineages at the same site. Given the many possible combinations that can occur, collision tumors, while rare, have been reported in multiple locations such as the stomach, bladder, and thyroid. Collision tumors are rarely found in breast tissue, with only a few cases reported in the literature.

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Granular cell tumors (GCTs) are rare neoplasms of neuroectodermal origin characterized by large polygonal cells with abundant eosinophilic and granular cytoplasm. GCTs rarely affect the lungs, with only a few cases reported in the literature. The pathophysiology of this Schwann cell-derived condition is not well understood but is thought to be due to recurring genetic mutations.

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Loin pain hematuria syndrome (LPHS) is a rare chronic pain disorder that is poorly understood. LPHS presents as unilateral or bilateral flank pain with hematuria of unknown cause. The lack of knowledge surrounding pathogenesis and effective treatment has resulted in missed diagnoses as well as narcotic addiction in some patients.

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Sarcoidosis is a multisystem, inflammatory granulomatous disease that rarely involves breast tissue. The pathophysiology of this chronic granulomatous condition is not well understood but is thought to be multifactorial, involving environmental influences causing an amplified immune response. A key histomorphology feature in sarcoidosis is the presence of non-necrotizing granulomas.

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• The development of trustworthy guidelines follows a range of principles. • In response to the Covid pandemic there was an urgent need for guidelines to respond to a wide range of clinical and public health challenges; timelines became contracted and evidence was frequently lacking or of poor quality. • For guideline development the World Health Organization, it became clear that one of the most important principles to adhere to is transparency as this underpins all other principles of guideline development.

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  • Understanding the diverse causes of colorectal cancer (CRC) is essential for developing tailored prevention and treatment strategies, as tumors in different locations may develop through distinct mechanisms.
  • A genome-wide association study involving over 48,000 CRC cases revealed 13 new specific risk loci linked to CRC, highlighting significant differences in genetic factors between tumors in the proximal (early) and distal (later) regions of the colorectum.
  • The findings indicate that the genetic risk factors for proximal and distal CRC are different, suggesting that prevention and treatment strategies should be tailored based on the tumor's anatomical location.
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Nitrogenous fertilizers have nearly doubled global grain yields, but have also increased losses of reactive N to the environment. Current public investments to improve soil health seek to balance productivity and environmental considerations. However, data integrating soil biological health and crop N response to date is insufficient to reliably drive conservation policy and inform management.

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Background: There is recognition that effective interventions are available to prevent neonatal and maternal deaths but providing reliable and valid coverage estimates remains a challenge. Household surveys rely on recall of self-reported events that may span up to 5 years, raising concerns of recall bias.

Objective: This study assessed the reliability of maternal recall of pregnancy, delivery, and postpartum events over a six-month period and identified relevant individual characteristics associated with inconsistent reporting.

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  • Researchers conducted a comprehensive study on colorectal cancer (CRC) by sequencing the genomes of over 1,400 CRC cases and 720 controls, ultimately analyzing data from nearly 125,000 individuals.
  • They found a significant protective variant at the CHD1 gene and identified 40 new genetic signals associated with CRC, highlighting the involvement of low-frequency variants and various biological pathways.
  • The study indicates that CRC risk is influenced by many genes and suggests that further research, especially on rare variants, could enhance understanding of CRC and shape personalized treatment and screening efforts.
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Transforming our world: the 2030 agenda for sustainable development promotes the improvement of health equity, which entails ongoing monitoring of health inequalities. The World Health Organization has developed a multistep approach to health inequality monitoring consisting of: (i) determining the scope of monitoring; (ii) obtaining data; (iii) analysing data; (iv) reporting results; and (v) implementing changes. Technical considerations at each step have implications for the results and conclusions of monitoring and subsequent remedial actions.

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Measurements of health indicators are rarely available for every population and period of interest, and available data may not be comparable. The Guidelines for Accurate and Transparent Health Estimates Reporting (GATHER) define best reporting practices for studies that calculate health estimates for multiple populations (in time or space) using multiple information sources. Health estimates that fall within the scope of GATHER include all quantitative population-level estimates (including global, regional, national, or subnational estimates) of health indicators, including indicators of health status, incidence and prevalence of diseases, injuries, and disability and functioning; and indicators of health determinants, including health behaviours and health exposures.

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