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  1. 1241
    “…BACKGROUND: The aim of this study was to investigate predictive factors of occult mediastinal lymph node metastasis (MLNM) in preoperative (18)F‐fluorodeoxy‐glucose PET/CT node‐negative lung adenocarcinoma patients. …”
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    Occult mediastinal lymph node metastasis in FDG‐PET/CT node‐negative lung adenocarcinoma patients: Risk factors and histopathological study
  2. 1242
    “…RESULTS: A number of 259 (0.21%) NDR plasma samples from screening of 123,280 eligible blood donors were detected, which presented a higher rate (91.1%) of anti-HBc reactivity and nearly half (46.7%) of HBV DNA+ that classified as occult HBV infection (OBI). Most OBI strains were wild-type HBV, but some substitutions V168A, S174 N, V177A, Q129R/L/H, G145A/R in S region of genotype B (OBI(B)) and T47K/V/A, P49H/L, Q101R/H/K, S174 N, L175S, V177A, T118 M/R/K, G145R/A/K/E, R160K/N in S region of genotype C (OBI(C)) strains were identified in high frequency. …”
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    Nearly half of Ultrio plus NAT non-discriminated reactive blood donors were identified as occult HBV infection in South China
  3. 1243
    “…Here, we report a case of OAVS with characteristic vertebral cervical and thoracic involvement and its sequelae requiring multiple spinal procedures, further complexed by an unprecedented occult tethered cord syndrome, which was successfully treated by surgical detethering. …”
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    Oculo-Auriculo-Vertebral Dysplasia With Craniocervical Instability and Occult Tethered Cord Syndrome. An Addition to the Spectrum? First Case Report and Review of the Literature
  4. 1244
    “…Despite all 40 patients being HBV seronegative, 68% showed evidence of occult HBV. Sequencing of these gene segments revealed inter-compartment viral variants in 26% of them, each with at least one non-synonymous mutation. …”
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    Pro-oncogenic, intra host viral quasispecies in Diffuse large B cell lymphoma patients with occult Hepatitis B Virus infection
  5. 1245
    “…OBJECTIVE: We conducted a systematic review and meta-analysis aimed at evaluating the differences of diagnostic performance of fecal occult blood tests (FOBTs) in detecting advanced colorectal neoplasms located in the proximal versus distal colorectum. …”
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    Diagnostic Accuracy Of Fecal Occult Blood Tests For Detecting Proximal Versus Distal Colorectal Neoplasia: A Systematic Review And Meta-Analysis
  6. 1246
    “…Owing to the diversity of cancer types and to the spatiotemporal heterogeneity of tumour signals, high-resolution imaging of occult malignancy is challenging. (18)F-fluorodeoxyglucose (FDG) positron emission tomography (PET) allows for near-universal cancer detection, yet in many clinical scenarios it is hampered by false positives. …”
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    PET imaging of occult tumours by temporal integration of tumour-acidosis signals from pH-sensitive (64)Cu-labelled polymers
  7. 1247
    “…Background: The compliance with the follow-up examination after a positive fecal occult blood test (FOBT) is lower than expected. We aimed to evaluate the adherence rate to the follow-up examination in patients with a positive FOBT and to identify the clinical factors associated with this adherence. …”
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    Clinical Factors Associated with Adherence to the Follow-Up Examination after Positive Fecal Occult Blood Test in National Colorectal Cancer Screening
  8. 1248
    por Kwong, Fong Lien, Hamoodi, Ibraheem
    Publicado 2020
    “…CONCLUSION: Clinicians should remain vigilant about the possibility of an occult scar defect in women with a previous Caesarean section who present with persistent vaginal bleeding and pain in the postnatal period.…”
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    Postnatal diagnosis of an occult uterine scar dehiscence after three uncomplicated vaginal births after Caesarean section: A case report
  9. 1249
    “…RESULTS: Within this cohort, 27 cases (27/119, 22.7%) were found to have occult LN metastases found by pathological examination. …”
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    DNA methylation markers that correlate with occult lymph node metastases of non-small cell lung cancer and a preliminary prediction model
  10. 1250
    “…Methods: All studies included provided the rate of occult metastases in cN0 larynx squamous cell carcinoma patients. …”
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    Incidence of Occult Lymph Node Metastasis in Primary Larynx Squamous Cell Carcinoma, by Subsite, T Classification and Neck Level: A Systematic Review
  11. 1251
    “…OBJECTIVES: To determine the impact of transitioning from guaiac-based fecal occult blood testing (gFOBT) to fecal immunochemical testing (FIT) on the detection rate of adenomas, advanced adenomas (AA) and colorectal cancer (CRC). …”
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    The Impact of Transitioning From Guaiac-Fecal Occult Blood Testing to Fecal Immunochemical Testing in a Canadian Colon Cancer Screening Program
  12. 1252
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    Occult thoracoacromial artery injury during reverse total shoulder arthroplasty resulting in a cascade of postoperative complications: A case report
  13. 1253
    “…Occult endoleaks can pose a diagnostic and treatment challenge. …”
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    Total realignment of multibranch stent graft using redo branch-in-branch endovascular repair for occult endoleak with rapid aneurysm sac expansion
  14. 1254
    “…Variables as gender, age, initial clinical injury and occult fractures were collected. Occult fractures on the follow-up skeletal survey were collected. …”
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    Prevalence and distribution of occult fractures on skeletal surveys in children with suspected non-accidental trauma imaged or reviewed in a tertiary Dutch hospital
  15. 1255
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    Occult Esophageal Squamous Cell Carcinoma Presenting with Multiple Bony Osteolytic Lesions Clinically Mimicking Multiple Myeloma: A Diagnostic Dilemma
  16. 1256
    “…We aimed to evaluate the values of routine fecal occult blood (FOB) test and urinary cytology test (UCT) for screening of GI and UI in COVID‐19 patients. …”
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    Fecal occult blood and urinary cytology tests for rapid screening of inflammatory infection in the gastrointestinal and urological systems in patients with Coronavirus disease 2019
  17. 1257
    “…It is unclear what the most effective invitation strategies are for fecal occult blood tests. In this systematic review, advance notification, mailed fecal occult blood test, and reminders had major, consistent, and complementary potential to increase participation in fecal occult blood test-based colorectal cancer screening. …”
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    The Effects of Different Invitation Schemes on the Use of Fecal Occult Blood Tests for Colorectal Cancer Screening: Systematic Review of Randomized Controlled Trials
  18. 1258
    “…CONCLUSIONS: Despite normal endoscopic findings, micro-occult gastric cancer can lead to PTTM. Physicians should be aware of this disease presentation. …”
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    Pulmonary tumor thrombotic microangiopathy in occult early gastric cancer that was undetectable on upper endoscopy: a case report and review of similar cases
  19. 1259
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    Clinical relevance of hepatitis B core total antibody in the detection of occult hepatitis B infection in patients with liver disease and blood donors
  20. 1260
    “…Among patients with diagnosis of Laryngeal Squamous Cell Carcinoma (LSCC), up to 37.5% of cases may have occult metastasis (OM), and this feature is linked to poor prognosis and high rate of local recurrence. …”
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    Pre-Treatment Neutrophil-to-Lymphocyte and Platelet-to-Lymphocyte Ratios as Predictors of Occult Cervical Metastasis in Clinically Negative Neck Supraglottic and Glottic Cancer
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