ObjectivesTo describe the diagnostic properties of thoracoabdominal contrast-enhanced CT (ceCT), when general practitioners (GPs) managed referral to ceCT through the non-specific symptoms or signs of cancer-cancer patient pathway (NSSC-CPP).DesignRetrospective cohort study including patients from a part of Denmark.SettingDepartment of Internal Medicine at a university hospital.ParticipantsIn total, 529 patients underwent ceCT.Primary and secondary outcomesOur primary objective was to estimate the negative and positive likelihood ratios for being diagnosed with cancer within 1 year after ceCT. Our secondary outcomes were prevalence and final diagnoses of malignancy (including temporal trends since implementation of NSSC-CPP in 2012), the prevalence of revision of CT scans and referral patterns based on ceCT results.ResultsIn total, 529 subjects underwent ceCT and malignancy was identified in 104 (19.7%) patients; 101 (97.1%) during initial workup and 3 patients during the subsequent 12 months follow-up.Eleven patients had a false-negative ceCT, and revision classified the ceCT as ‘probable/possible malignancy’ in eight (73%) patients. The negative predictive value was 98% and positive predictive value 63%. Negative and positive likelihood ratios for malignancy was 0.1 and 7.9, respectively.ConclusionOur study shows that ceCT as part of GP-coordinated workup has a low negative likelihood ratio for identifying malignancy; this is important since identifying patients for further workup is vital.
BackgroundImmigrants to Germany and their children are at particular risk for tuberculosis (TB).Methods35 Patients (10 male/25 female aged 2 - 59 years (median 33 years) originating mostly from high incidence countries in Asia (19 [54.3%]) in Africa (14 [40.0%] and East Europe (2 [5.7%]), attended at the Tropical Medicine unit were analysed.ResultsPrimary clinical presentation was most frequently lymphadenitis (13 [37.1%]). other organs involved included bones (7 [20.0%]), central nervous system (5 [14.3%]), urogenital organs (3 [8.6%]), lung (3 [8.6%]), mediastinum, (2 [5.7%]) and abdomen (2 [5.7%]). ESR was abnormal in 21/28 (75.0%), CRP in 20/35 (57.1%), and protein electrophoresis in 22/26 (84.6%) cases. The tuberculin skin test was strongly positive in all 15 cases where the test had been performed. Tuberculosis interferon gamma release assay (TB-IGRA) was positive in all 35 cases (100%). PCR for nucleic acids of Mycobacterium (M.) tuberculosis complex was positive in only 7/20 (35.0%) cases. M. tuberculosis was identified in 32/35 (91.4%), M. bovis in 2 (5.7%) cases. 1 case was diagnosed clinically. All patients were negative for HIV. Typical histopathology was seen in the 29 cases, where biopsies had been taken. Chest-X-ray did not reveal specific pulmonary lesions in the majority of cases (22/35 [62.9%]). Diagnosis of TB was mostly delayed (4 to 299 weeks, [median 8]). The most frequent primary suspicion was a malignancy (17/35 [48.6%]) while TB was initially suspected in 5 cases only. Diagnosis of TB is impeded by its multifaceted presentation especially in immigrants.
Background: The long-term outcome after non-diagnostic thoracoscopy (idiopathic pleuritis) has not been investigated in nationwide studies, and the survival has never been estimated. Therefore, we decided to investigate the three-year incidence of malignancy and survival of patients with idiopathic pleuritis. Methods: Retrospective, register-based, nationwide study of patients undergoing diagnostic video-assisted thoracoscopic surgery (VATS) thoracoscopy ≤30 days after thoracentesis, using The National Patient Registry and The Danish Cancer Registry. Idiopathic pleuritis was defined as; no diagnosis of malignancy within 31 days after VATS. Patients were followed for 36 months after VATS. Results: In total, idiopathic pleuritis were identified in 547 out of 658 patients undergoing VATS (83%), and 29 (5%) were diagnosed with malignancy during the 3 years follow-up period after VATS. Of these, 93% were diagnosed with malignancy within the first year. Numbers-needed-to-follow-up for detecting one case of malignancy was 18 during the first year after VATS and 250 in the two subsequent years. Survival was independent on type of malignancy (MPM vs. other malignancies; P=0.13) and of time from VATS to diagnosis (≤31 days vs. 1-36 months; P=0.15). Median survival in the non-malignant group was 1,095 days. Conclusions: Our study confirms a low incidence of malignancy in idiopathic pleuritis after VATS. Nearly all incident cases of malignancy were diagnosed within 12 months from VATS. No survival disadvantage was observed in patients with incident malignancy. Our data suggest that follow-up of idiopathic pleuritis could safely be limited to 1 year. The optimal follow-up strategy remains to be investigated. Cite this article as:Reuter SB, Clementsen PF, Bodtger U.Incidence of malignancy and survival in patients with idiopathic pleuritis.
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