Endoscopic factors, including large ulcer size and the persistence of endoscopic stigmata of recent hemorrhage are important predictors for recurrent bleeding after scheduled second endoscopy.
using CAD, gave the management recommendation using Lung-RADS, and the reading time was recorded. Then the radiologist turned on CAD annotations to accept, reject and add nodule(s). The PanCan nodule risk scores were generated. Nodule management was categorized into 3 groups: I: Scheduled follow-up CT 1yr for those with no or very low risk lung nodules; II: Early recall CT <1 yr; or III: Referral to clinical diagnostic pathway for suspicious malignancy. Result: Radiologist's reading time was shorter in CAD-1 st than Radiologist-1 st arm (9±3 vs. 10±3 minutes, p<0.01). The time saved was greatest for Group I scans (85% of workload) (8±3 vs. 10±3 minutes, p<0.01). In 20/741 (2.7%) participants in CAD-1 st arm, the additional nodule added by the radiologist upgraded the patient's management; 5 of 20 were later confirmed to be malignant. Two of 5 were >3cm masses, the other three included a 19 mm GGO and two solid ones abutting vessels. In 1/645 (0.15%) participants in Radiologist-1 st arm, the additional nodule detected by CAD upgraded the patient's management from Group I to II. Over 31-months of follow-up, 29 cancers (2.1%) have been detected, and 1 of 29 (3.4%), a 5 mm solid nodule in the left lower lobe abutting the fissure and vessels, was missed by both radiologist and CAD. Conclusion: CAD saves radiologist's time in reading large numbers of screening LDCT especially in those with no or very low risk lung nodules. However, reading by experienced radiologist is still needed.
On-table cecoscopy is a new, safe, and effective means of diagnosing acute diverticulitis of the right colon. We can confidently exclude carcinoma and reduce the amount of colonic resection in patients with noncomplicated diverticulitis of the right colon.
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