Publications by authors named "M Ohana"

Article Synopsis
  • This study aimed to enhance the assessment of renal masses through MRI by analyzing T1 and T2 relaxation times.
  • It involved 125 patients with normal kidneys and 75 with renal masses, measuring T1 and T2 values to evaluate differences between groups and types of renal tumors.
  • While T1 values showed no significant differences across renal mass types, T2 values revealed significant differences among them, suggesting T2 mapping may be a valuable tool for differentiating renal masses.
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Background: Pancreatic cancer is often diagnosed at advanced stages, and early-stage diagnosis of pancreatic cancer is difficult because of nonspecific symptoms and lack of available biomarkers.

Methods: We performed comprehensive serum miRNA sequencing of 212 pancreatic cancer patient samples from 14 hospitals and 213 non-cancerous healthy control samples. We randomly classified the pancreatic cancer and control samples into two cohorts: a training cohort (N = 185) and a validation cohort (N = 240).

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Article Synopsis
  • The study aimed to assess how an AI software predicts the likelihood of malignancy in lung nodules discovered incidentally during emergency CT scans.
  • A total of 90 nodules from 83 patients were evaluated, where the AI effectively classified nodules based on their likelihood of being benign, indeterminate, or malignant.
  • The AI demonstrated a high negative predictive value (NPV) of 100%, indicating that it could potentially reduce unnecessary follow-up procedures for nodules deemed benign.
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Article Synopsis
  • This study explored a new diagnostic approach for acute coronary syndrome (ACS) in the emergency department, which combines a non-ischemic ECG, a normal troponin test, and chest CT to detect coronary calcifications.
  • The research involved 280 patients over 18 with chest pain who had both non-ischemic ECG and negative troponin tests; it found a very high negative predictive value of 99.8% for ruling out ACS using this combined strategy.
  • Among those without calcifications, only a small percentage were hospitalized, and none experienced an acute coronary event, suggesting the strategy could effectively reduce unnecessary hospital admissions in similar patients.
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