Monitoring qHBsAg after successful HBV DNA suppression might be useful to identify patients who clear HBsAg, implicating finite NA treatment. The role of IP-10 as predictive marker for HBsAg loss should be further evaluated.

This study evaluated the diagnostic value of D-dimer, CRP, and leucocytes count to detect an underlying pulmonary embolism (PE) in patients with pneumonia. A predictive model of an underlying PE, based on laboratory markers and clinical symptoms, was our ultimate objective. Overall 100 patients underwent a computed tomography angiography (CTA) of the lung: 54 with coexistence of PE and pneumonia (cases) and 46 with pneumonia without PE (controls). Cases and controls were matched 1 : 1. Symptoms and paraclinical findings were registered on admission. Receiver operating characteristic (ROC) curves, search for an optimal threshold, and conditional logistic regression analysis were conducted. D-dimer has a moderate ability to detect PE in pneumonia. Sensitivity of D-dimer was estimated at 97.78% and specificity at 11.11%. No optimal cut-point has acceptable diagnostic ability. After excluding patients with sepsis, sensitivity was reduced to 96.97%, whereas specificity increased to 16.13%. Consolidation in chest X-ray and positive D-dimer predict better an underlying PE as D-dimer itself. Thus, discriminatory power of the prediction model (AUC of 0.740) is not much greater than D-dimer (AUC of 0.703). No threshold that could increase the diagnostic value of D-dimer or a prediction model which is significantly better than D-dimer itself was identified.

CMV infections are generally thought to be opportunistic by immunosuppression. Many literature cases though indicate that CMV infections can be also observed in immunocompetent patients. We present an unusual case of an extensive concentric benign stenosis due to CMV colitis and a case of coexistence with Crohn's Disease, both observed in nonimmunosuppressed individuals. The right diagnosis was set after implementation of multiple unsuccessful treatment strategies. Our purpose is therefore to familiarize clinicians involved with the diagnosis and treatment of gastroenterological diseases with this entity.

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Objectives: we present an atypical case of chronic mesenteric ischaemia with weight loss as the only clinical manifestation and endoscopic findings imitating Crohn´s disease. Materials and methods: CT angiography of the abdomen confirmed the diagnosis of mesenteric ischaemia after total occlusion of the coeliac trunk and superior mesenteric artery. Results: The patient died due to severe sepsis as a result of extended bowel infarction. Conclusions: The diagnosis of chronic mesenteric ischaemia requires a high degree of clinical suspicion and can be life-saving if made quickly.

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