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  • 1
    Online Resource
    Online Resource
    Hindawi Limited ; 2021
    In:  Case Reports in Rheumatology Vol. 2021 ( 2021-3-16), p. 1-4
    In: Case Reports in Rheumatology, Hindawi Limited, Vol. 2021 ( 2021-3-16), p. 1-4
    Abstract: We report the case of a 31-year-old male patient, presenting to the emergency department (ED) with a 6-week history of left-sided lateral neck pain, along with a minor localized swelling. A few weeks after the beginning of his complaints, he contracted a mild coronavirus disease 2019 (COVID-19). Upon examination, his aches were defined as carotidynia; thus, proper radiologic evaluation was carried out. While ultrasound (US) and magnetic resonance imaging (MRI) scans showed evident signs of left common carotid (LCC) vasculitis, computed tomography angiography (CTA) and positron emission tomography-CT (PET-CT) scans revealed no vascular findings. Unexpected hypermetabolic hilar and mediastinal lymphadenopathy was found on PET-CT, necessitating lymph node biopsy. Pathology results displayed noncaseating granulomas. Besides, angiotensin-converting enzyme (ACE) levels in blood were high. Sarcoidosis, with concurrent LCC vasculitis, was diagnosed, and corticosteroid therapy was started. Shortly thereafter, remarkable recovery ensued.
    Type of Medium: Online Resource
    ISSN: 2090-6897 , 2090-6889
    Language: English
    Publisher: Hindawi Limited
    Publication Date: 2021
    detail.hit.zdb_id: 2666708-3
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  • 2
    In: Oncology, S. Karger AG, Vol. 99, No. 7 ( 2021), p. 464-470
    Abstract: 〈 b 〉 〈 i 〉 Introduction: 〈 /i 〉 〈 /b 〉 Immune-checkpoint inhibitors have demonstrated a significant survival benefit in metastatic and non-resectable head and neck squamous cell carcinoma (HNSCC). Patients with a combined positivity score (CPS) of 20 and higher benefit the most from therapy. Inaccurate definition of the CPS category might lead to the incorrect stratification of patients to immunotherapy. This study’s main aim was to investigate programmed death-ligand 1 (PD-L1) antigen expression in HNSCC in diverse clinical situations and histological settings. 〈 b 〉 〈 i 〉 Materials and Methods: 〈 /i 〉 〈 /b 〉 This is a prospective cohort study conducted in a tertiary referral medical center. Tissues were investigated for PD-L1 expression using the FDA-approved 22C3 immunohistochemistry assay (Dako). We analyzed potential associations between the CPS category and meaningful demographic, clinical, and outcome metrics. Furthermore, we investigated morphologically separate sites for CPS scores in whole surgical tissue specimens and matched preoperative biopsies. 〈 b 〉 〈 i 〉 Results: 〈 /i 〉 〈 /b 〉 We analyzed 36 patients, of whom 26 had oral cavity SCC and 10 had laryngeal SCC. The overall, disease-specific, and progression-free survival of the HNSCC group of patients were not associated with the CPS category ( 〈 i 〉 p 〈 /i 〉 = 0.45, 〈 i 〉 p 〈 /i 〉 = 0.31, and 〈 i 〉 p 〈 /i 〉 = 0.88, respectively). There was a significant (18%, 95% CI 0.65–0.9) inconsistency between the CPS category determined in biopsies versus whole carcinoma analyses. We also found an uneven distribution of whole-tumor CPS attributed to spatial carcinoma invasiveness, tumor differentiation, and inflammatory cell infiltration heterogeneity. 〈 b 〉 〈 i 〉 Discussion and Conclusions: 〈 /i 〉 〈 /b 〉 Our data suggest that careful selection of tumor area for CPS analysis is important. PD-L1 antigen expression, clinically represented by CPS, may be up- or down-categorized in different clinical and pathological circumstances. The high whole-tissue CPS category scatter may clinically result in potential treatment modifications. We argue that CPS analysis requires not only adequacy (at least 100 viable tumor cells), but also correct representation of the tumor microenvironment.
    Type of Medium: Online Resource
    ISSN: 0030-2414 , 1423-0232
    RVK:
    Language: English
    Publisher: S. Karger AG
    Publication Date: 2021
    detail.hit.zdb_id: 1483096-6
    detail.hit.zdb_id: 250101-6
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  • 3
    Online Resource
    Online Resource
    Hindawi Limited ; 2021
    In:  BioMed Research International Vol. 2021 ( 2021-10-11), p. 1-10
    In: BioMed Research International, Hindawi Limited, Vol. 2021 ( 2021-10-11), p. 1-10
    Abstract: This study is aimed at developing coriander oil into a nanoemulgel and evaluating its antimicrobial and anticancer effects. Coriander (Coriandrum sativum) oil was developed into a nanoemulgel by using a self-nanoemulsifying technique with Tween 80 and Span 80. Hydrogel material (Carbopol 940) was then incorporated into the nanoemulsion and mixed well. After this, we evaluated the particle size, polydispersity index (PDI), rheology, antimicrobial effect, and cytotoxic activity. The nanoemulsion had a PDI of 0.188 and a particle size of 165.72 nm. Interesting results were obtained with the nanoemulgel against different types of bacteria, such as Pseudomonas aeruginosa, Klebsiella pneumoniae, and methicillin-resistant Staphylococcus aureus (MRSA), with a minimum inhibitory concentration (MIC) of 2.3 μg/ml, 3.75 μg/ml, and 6.5 μg/ml, respectively. In addition, the half-maximal inhibitory concentration (IC50) of the nanoemulgel when applying it to human breast cancer cells (MCF-7), hepatocellular carcinoma cells (Hep3B), and human cervical epithelioid carcinoma cells (HeLa) was 28.84 μg/ml, 28.18 μg/ml, and 24.54 μg/ml, respectively, which proves that the nanoemulgel has anticancer effects. The development of C. sativum oil into a nanoemulgel by using a self-nanoemulsifying technique showed a bioactive property better than that in crude oil. Therefore, simple nanotechnology techniques are a promising step in the preparation of pharmaceutical dosage forms.
    Type of Medium: Online Resource
    ISSN: 2314-6141 , 2314-6133
    Language: English
    Publisher: Hindawi Limited
    Publication Date: 2021
    detail.hit.zdb_id: 2698540-8
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