Publications by authors named "Emma Rullo"

Article Synopsis
  • Fibroblastic and myofibroblastic neoplasms are a significant portion (12%) of pediatric soft tissue tumors, mostly benign or locally aggressive with infrequent metastasis.
  • Diagnosing these tumors is complicated due to their similar appearances and limited effectiveness of immunohistochemistry, but advancements in RNA sequencing have shed light on their molecular drivers and improved classification.
  • Key molecular changes, like RTK and MAPK activation, are important in tumors such as infantile fibrosarcoma and inflammatory myofibroblastic tumors, with ongoing research identifying new RTK-driven lesions that require attention in classification.
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Laryngeal cancer accounts for one-third of all head and neck tumors, with squamous cell carcinoma (SCC) being the most predominant type, followed by neuroendocrine tumors. Chromogranins, are commonly used as biomarkers for neuroendocrine tumors, including laryngeal cancer. It has been reported that secretogranin VGF, a member of the chromogranin family, can be also used as a significant biomarker for neuroendocrine tumors.

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Since December 2019, the world has experienced a pandemic caused by SARS-CoV-2, a virus which spread throughout the world. Anti-COVID19 measures were applied to limit the spread of the infection, affecting normal clinical practice. In 2020, studies on the possible impact of the pandemic considering the screening programs for early diagnosis of cancer were conducted, resulting in a prediction of delayed diagnosis of cancer.

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Background: Solid pseudopapillary tumors (SPT) of the pancreas are rare, low malignancy and predominantly affect young women, but it may be locally aggressive. Pancreatic resection is the main treatment for SPTs. However, low malignancy SPT may give insidious extrapancreatic invasions.

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Ciliated epithelial cells have been rarely observed in urothelium lined mucosa. Only extremely rare reports in the literature have described this phenomenon and no cases have been described in other sites than the male urethra. Herein, we illustrate the finding of ciliated pseudostratified columnar cells in the renal calyx mucosa adjacent to an area of urothelial invasive carcinoma in an 82 year-old man with previous history of nephrolithiasis.

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We investigated the p75 Neurotrophin Receptor (p75NTR) expression and cleavage product p75NTR Intracellular Domain (p75ICD) as potential oncogenic and metastatic markers in human Laryngeal Squamous Cell Carcinoma (LSCC). p75NTR is highly expressed in Cancer Stem Cells (CSCs) of the laryngeal epithelia and it has been proposed as a marker for stemness, cell migration, and chemo-resistance in different squamous carcinomas. To investigate the clinical significance of p75NTR cleavage products in solid tumors, full-length and cleaved p75NTR expression was analyzed in laryngeal primary tumors from different-stage LSCC patients, diagnosed at the Policlinico Umberto I Hospital.

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Primary effusion lymphoma (PEL) is a large B-cell lymphoma growing within body-cavities caused by the Kaposi sarcoma-associated herpesvirus (KSHV)/human herpesvirus-8 (KSHV/HHV-8). It is mainly reported in HIV-infected patients. The uncommon occurrence in the elderly supports a form paralleling classic Kaposi sarcoma (KS), i.

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Purpose: CD137 molecule is expressed by activated lymphocytes, and in patients with cancer identifies the tumor-reactive T cells. In solid tumors, high levels of circulating CD137+ T cells are associated with the clinical response and the disease-free status. Here, we examined the role of the CD137+ T cells in the improvement of patients' selection for immunotherapy treatment.

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Despite the current pandemic season, reports on pathologic features of coronavirus disease 19 (Covid-19) are exceedingly rare at the present time. Here we describe the pathologic features of early lung involvement by Covid-19 in a surgical sample resected for carcinoma from a patient who developed SARS-CoV-2 infection soon after surgery. The main histologic findings observed were pneumocyte damage, alveolar hemorrhages with clustering of macrophages, prominent and diffuse neutrophilic margination within septal vessels, and interstitial inflammatory infiltrates, mainly represented by CD8+ T lymphocytes.

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Objective: The Italian reporting system for thyroid cytology classifies indeterminate lesions as TIR3A (low risk) or TIR3B (high risk) and is meant to provide practical guidance rather than a detailed consideration of morphological features. We aimed to assess which cytological features have the most diagnostic value and whether they are effective in classifying nodules as either TIR3A or TIR3B and in predicting histological outcomes.

Methods: Thyroid fine-needle aspirates from 111 indeterminate nodules were reviewed blinded to clinical information, TIR3A/TIR3B classification, and histology in order to assess which cytological features (pooled into artefacts, smear background, architectural and nuclear atypia, and oncocytes) differentiate TIR3A from TIR3B, and benign from malignant histological outcomes.

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Article Synopsis
  • - The study aimed to determine if BAP1 immunohistochemistry (IHC) can help distinguish between malignant mesothelioma (MM) and benign mesothelial hyperplasia (MH) in fluid samples from patients suspected to have either condition.
  • - Researchers analyzed samples from 147 patients and found that a loss of BAP1 staining was present in 76.5% of MM cases, indicating that negative BAP1 results are linked to MM.
  • - The findings suggest that negative BAP1 IHC results can strongly indicate MM in uncertain cases, highlighting its potential usefulness in diagnostic panels for cytopathologists.
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