SUMMARY – Radiological diagnostic methods have a significant role in the preoperative and postoperative care of patients after kidney transplantation. Improvement and innovations in technology, but also the growing experience of the radiologists who deal with kidney transplant patients as part of the transplant team lead to earlier detection of complications in the postoperative period, which are the leading cause of transplant failure. In this article, we describe, through diagnostic imaging examples, detailed evaluation of all possible complications that can occur after kidney transplantation, with evaluation of different possible diagnostic methods that can be used in the preoperative assessment and postoperative follow up and care of the transplanted patient. The goal of this article is to demonstrate and summarize in detail the possible complications of renal transplantation and how to best diagnostically approach them, with special reference to ultrasound which is the main imaging method for this group of conditions.

Hemangioma of the heart is a rare primary benign tumor mainly appearing as enhancing, homogenous, well-circumscribed mass. We report a case of a 61-year-old asymptomatic woman, whose echocardiography showed a cardiac mass, which was described as the atypical myxoma of the right atrium. For further imaging, contrast-enhanced computed tomography and cardiac magnetic resonance imaging were undertaken, which showed a tumor located in the interatrial septum with imaging characteristics of hemangioma. In the literature, cardiac hemangioma is usually described as an intensely enhancing mass. In our opinion, early peripheral puddling of contrast material with filling in on delayed images is a typical pattern of its enhancement. This characteristic, in addition to high signal intensity on T2-weighted images, allows differentiation of a hemangioma from other benign and malignant tumors.

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We explored the feasibility of realtime telemedicine in Croatia using Internet videoconferencing. A 33 kbit/s link was established between a team of specialists in the General Hospital 'Sveti Duh' in Zagreb and a general practitioner's clinic in Selca, on the island of Brac. During a two-week study, 16 patients (median age 51 years) were studied. Twenty-one teleconsultations (seven initial and 14 follow-up visits) were conducted, 13 with a specialist in internal medicine, six with a surgeon and two with a neurologist. In 18 cases (86%) telemedicine successfully replaced hands-on examination. The mean duration of the teleconsultations was 7.2 min (initial visits 7.4 min, follow-up visits 7.1 min). Each computer system cost about US$700. The total connection cost for the study was US$4.95. The teleconsultations saved the patients US$272 in travel costs. We suggest forming a permanent on-line specialist service connected to networked clinics via the Internet to improve access to health-care in Croatia.