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To highlight the variation in imaging and clinical manifestations of four cases of isolated unilateral absence of pulmonary artery presented in varied ages. Four patients with unilateral pulmonary artery agenesis were referred to our institution They underwent a series of investigations, including chest radiography, computed tomography and magnetic resonance imaging. Two of the four patients had absence of the right main pulmonary artery, while the remaining two patients had absence of the left main pulmonary artery. All patients showed a restrictive defect on pulmonary function tests. Radiography, CT and MRI confirmed the anatomy and the presence of multiple collaterals. Isolated unilateral pulmonary artery agenesis has a non-specific presentation. Awareness of this condition can lead to earlier diagnosis, with cross-sectional imaging making an important contribution.

In patients with chronic liver diseases, the identification of significant fibrosis is of special interest, because the presence of fibro sis is an important parameter for the estimation prognosis, for survelliance and for treatment decisions in patients with Chronic Liver Diseases. Although percutaneous liver biopsy is the gold standart method for assessing liver fibrosis, it has some limitations including its invasive nature, inconvenience, sampling errors, inadequate specimen size and interobserver variability in pathology interpretation. Therefore many studies have focused on the evaluation of noninvasive methods for the assessment of liver fibrosis stage. One of these methods is real time elastography which measures tissue elasticity. In the present study, we assessed intercostal and subcostal measurement methods to discriminate between normal and fibrotic liver .

Although cervical degenerative changes is a common disorder, dysphagia induced by osteophyte formation is uncommon. We present a case of 54-year-old patient suffering dysphagia secondary to cricoidal osteophyte. Phsical examination showed no abnormality. A barium esophagography revealed anterior compression of the esophagus at the level of cricoid cartilage. A computed tomography (CT) showed a small spur originating from the cricoid. Magnetic resonance imaging (MRI) demonstrated the osteophyte-induced edema and allowed the differential diagnosis with the other causes of dysphagia. In this report, radiological features of cricoidal osteophyte is presented., Servikal kemik yapılarda dejeneratif değişiklikler sık görülmekle beraber, osteofitik oluşuma bağlı yutma güçlüğü oldukça nadir görülür. Krikoidten köken alan osteofit basısı nedeniyle yutma güçlüğü çeken 54 yaşındaki erkek hasta merkezimize başvurdu. Fizik muayenede anormallik saptanmadı. Baryumlu özofagus grafisinde, krikoid kıkırdak seviyesinde özofagusa anteriordan bası bulgusu izlendi. Etyolojiye yönelik çekilen bilgisayarlı tomografide, krikoidten köken alan spur saptandı. Yumuşak dokunun değerlendirilmesine yönelik elde edilen manyetik rezonans görüntülemede, osteofit etrafında ödem izlendi ve olası diğer yumuşak doku patolojileri ekarte edildi. Bu olguda, kridoid osteofitin radyolojik bulgularını sunmayı amaçladık