Publications by authors named "Federica Castri"

Purpose: The main purpose of treatment of advanced ocular surface and periocular malignant tumors is to eradicate the tumor while trying to preserve visual function and aesthetics. Our purpose is to describe the outcome of a retrospective case series of 10 patients with advanced ocular surface and periocular tumors treated surgically in first instance and then with postoperative interventional radiotherapy (IRT/Brachiterapy).

Materials And Methods: We describe the clinicopathological features, treatments and outcome, in a retrospective case series of 10 patients with advanced tumors involving ocular surface (staging ≥ T2) and eyelids (staging ≥ T3), with involvement of periocular and/or orbit tissues.

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Personalized medicine aims to develop tailored treatments for individual patients based on specific mutations present in the affected organ. This approach has proven paramount in cancer treatment, as each tumor carries distinct driver mutations that respond to targeted drugs and, in some cases, may confer resistance to other therapies. Particularly for rare conditions, personalized medicine has the potential to revolutionize treatment strategies.

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Chronic endometritis (CE) is the persistent inflammation of the endometrial lining associated with infertility and various forms of reproductive failures. The diagnosis of CE is based on the histological evidence of stromal plasma cells; however, standardized methods to assess plasma cells are still lacking. In the present paper, we aimed to determine the most appropriate plasma cell threshold to diagnose CE based on pregnancy outcomes.

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Malakoplakia is a rare entity on inflammatory base that mostly occurs in immunocompromised individuals which is thought to be secondary to a bactericidal defect in macrophages. The genitourinary tract is typically affected. The appendix is a very rare localization.

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Objectives: Cytokines play a pivotal role in inflammatory bowel disease (IBD). We investigated the expression of inflammatory and regulatory cytokines in inflamed and uninflamed mucosal samples of ulcerative colitis patients.

Methods: Twenty-five ulcerative colitis patients were enrolled.

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Background: Inflammatory bowel disease (IBD) predisposes to colorectal cancer (CRC) with some specific features that distinguish it from sporadic CRC. Magnesium (Mg) homeostasis is severely compromised in IBD patients, which may affect both inflammation and tumor development. Efficient transcellular Mg transport in intestinal cells depends on the transient receptor potential melastatin (TRPM) channels type 6 and 7, but their expression has never been investigated in the context of IBD-related CRC.

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The authors regret that the original version of this article, unfortunately, contained an error. The values "1/3 (33%)" reported in the second to last sentence of the Discussion are wrong; the correct values are "2/2 (100%)". These are presented correctly in this article.

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Gastrointestinal "juvenile-like (inflammatory/hyperplastic) mucosal polyps" (JLIHMPs) have been proposed as a neurofibromatosis type 1 (NF1)-specific gastrointestinal manifestation. Juvenile polyposis syndrome (JPS) has also been reported in a NF1 patient, harboring concurrent NF1 and SMAD4 germline mutations. Additionally, NF1-like cafe-au-lait spots have been described in biallelic mismatch repair deficiency, another condition featuring gastrointestinal polyps.

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PDGFRA mutations in the gastrointestinal (GI) tract can cause GI stromal tumour (GIST) and inflammatory fibroid polyp (IFP). Hitherto no cell type has been identified as a physiological counterpart of the latter, while interstitial Cajal cells (ICC) are considered the precursor of the former. However, ICC hyperplasia (ICCH), which strongly supports the ICC role in GIST pathogenesis, has been identified in germline KIT-mutant settings but not in PDGFRA-mutant ones, challenging the precursor role of ICC for PDGFRA-driven GISTs.

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Objectives: The objective of the study was to verify if histopathological differentiation of ampullary carcinoma after surgical resection may be related to survival.

Methods: The prognostic role of an accurate histological and immunohistochemical classification has been investigated in a multicentric series of carcinoma of the ampulla of Vater. Immunohistochemical expression of cytokeratin 7 (CK7) and CK20 were analyzed in the different morphological histotypes of ampullary cancers, and results were compared with overall survival.

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Interstitial granulomatous dermatitis (IGD) is a rare dermatological condition presenting as erythematous plaques. It may be associated with drug-related adverse reactions and autoimmune diseases. Recent cases of IGD have been reported in rheumatoid arthritis (RA) patients treated with biologic agents.

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Introduction: Pancreatic cancer is one of the most aggressive gastrointestinal cancer with less than 10% long-term survivors. The apoptotic pathway deregulation is a postulated mechanism of carcinogenesis of this tumor. The present study investigated the prognostic role of MUC2 and MUC5 apomucin expression in a series of surgically resected pancreatic cancer patients.

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Reports about adrenocortical carcinomas (AC) mixed with sarcomatous areas are very rare. The terminology and pathogenesis of such biphasic tumors remain controversial. Herein, we report a case of sarcomatoid carcinoma of the adrenal gland in a 75-year-old woman who presented with left abdominal pain of one month's standing.

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Introduction: Clear cell neoplasms of the jaw are very infrequent and a review of the literature reports only isolated cases of metastatic renal clear cell carcinoma of the jaw.

Case Presentation: A 68-year-old man presented with an osteolytic lesion of the left hemimandible. The first diagnostic hypothesis was a third molar follicular cyst.

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Background: Neoplastic microfoci have frequently been found in the mesorectum, with poor outcome. In this study, incidence and clinical significance of mesorectal microfoci (MMF) were analyzed in patients operated on for rectal cancer following neoadjuvant chemoradiation.

Methods: A case series of 68 patients with extraperitoneal rectal cancer treated with neoadjuvant chemoradiation and surgery (including total mesorectal excision) were investigated for presence of neoplastic MMF.

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Background: Neoplastic microfoci have frequently been found in the mesorectum, with poor outcome. In this study, incidence and clinical significance of mesorectal microfoci (MMF) were analyzed in patients operated upon for rectal cancer following neoadjuvant chemoradiation.

Methods: A case series of 68 patients with extraperitoneal rectal cancer, treated with neoadjuvant chemoradiation and surgery (including total mesorectal excision), was investigated for the presence of neoplastic MMF.

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In the present study, the prognostic impact of factors involved in the apoptosis pathway were tested on 67 consecutive patients treated with surgical resection. Included in the study were all patients resected for pancreatic adenocarcinoma from 1988 to 2003. Expression analysis for p53, Bax, and Bcl-2 were performed by immunohistochemical staining.

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Gastrointestinal stromal tumours are a relatively new nosological entity with an increasing incidence. CD117 positivity at immunohistochemical analysis is mandatory to distinguish them from other mesenchymal tumours. A gastric localisation is observed in more than 70% of cases.

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Because the p16 locus is involved consistently in chromosomal losses found in malignant gastrointestinal stromal tumors (GISTs), we studied p16 in a series of 21 GISTs with complete follow-up using immunohistochemical analysis, semiquantitative reverse transcriptase-polymerase chain reaction (RT-PCR) and methylation-specific PCR (MSP). A fraction of cells of more than 20% with low or absent p16 immunostaining was detected in 12 GISTs, including all showing malignancy. RT-PCR revealed decreased p16 transcription in all except 2 p16 protein-deficient GISTs.

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Context: Gastrointestinal stromal tumors (GISTs) are Kit/CD117-expressing mesenchymal neoplasms of uncertain malignant potential. The lack of a reliable method of prognostication hampers the selection of patients eligible for STI571 therapy. 10q22-q23 is a region involved in chromosomal losses found in a fraction of malignant primary and metastatic GISTs harboring PTEN (phosphatase and tensin homologue deleted on chromosome 10), a tumor suppressor gene often altered in human neoplasms.

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A rare case of synchronous bilateral testicular germ cell tumor of different histological type is described. We report the case of a 39-year-old man with this unusual condition and discuss the value of the histopathological diagnosis in therapy and prognosis. A thorough review of the literature is also presented, and for the first time the precise histological subtype of each reported tumor, as diagnosed by the authors of the original paper, is illustrated.

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