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Wyświetlanie 1-10 z 74
Tytuł:
Toxic lung injury in a patient addicted to "legal highs" : case study
Autorzy:
Kulhawik, Dorota
Walecki, Jerzy
Opis:
Background: Toxic lung injury may manifest itself in many different ways, ranging from respiratory tract irritation and pulmonary edema in severe cases to constrictive bronchiolitis, being a more distant consequence. It is most often the result of accidental exposure to harmful substances at work, at home, or a consequence of industrial disaster. Case Report: This article presents a case of toxic lung injury which occurred after inhalation of legal highs, the so-called "artificial hashish" and at first presented itself radiologically as interstitial pneumonia with pleural effusion and clinically as hypoxemic respiratory insufficiency. After treatment with high doses of steroids, it was histopathologically diagnosed as organizing pneumonia with lipid bodies. Conclusions: Due to the lack of pathognomonic radiological images for toxic lung injury, information on possible etiology of irritants is very important. As novel psychoactive substances appeared in Europe, they should be considered as the cause of toxic lung injury.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Autorzy:
Walecki, Jerzy
Szwedowski, Dawid
Opis:
The acronym SCIWORA (Spinal Cord Injury Without Radiographic Abnormality) was first developed and introduced by Pang and Wilberger who used it to define "clinical symptoms of traumatic myelopathy with no radiographic or computed tomographic features of spinal fracture or instability". SCIWORA is a clinical-radiological condition that mostly affects children. SCIWORA lesions are found mainly in the cervical spine but can also be seen, although much less frequently, in the thoracic or lumbar spine. Based on reports from different authors, SCIWORA is responsible for 6 to 19% and 9% to 14% of spinal injuries in children and adults, respectively. Underlying degenerative changes, including spondylosis or spinal canal stenosis, are typically present in adult patients. The level of spinal cord injury corresponds to the location of these changes. With recent advances in neuroimaging techniques, especially in magnetic resonance imaging, and with increasing availability of MRI as a diagnostic tool, the overall detection rate of SCIWORA has significantly improved.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
Evaluation and treatment decision of pancreatic tumors by use of MRI with MRCP imaging
Autorzy:
Turowska, Aldona
Walecki, Jerzy
Łebkowska, Urszula
Opis:
Background: Pancreatic cancer is one of the most malignant tumors. Symptoms are usually nonspecific and insidious such that the cancer is advanced by the time of diagnosis. The aim of our work was to investigate the use of MRI and MRCP in diagnosis of the patients suspected of pancreatic carcinoma and to determine the role of these methods in the evaluation of resectability of pancreatic cancer in comparison to surgical findings. Material/Methods: Forty-nine patients (33 men and 16 women) aged 44-82 had undergone to MRI and MRCP imagination of the upper abdomen on 1.5 T system with use of a standard flexible surface coil. The results of those radiological diagnostic tests were compare to the surgical findings and histopathological examination. The capacity of MR and MRCP to detect pathological mass, assess disease process nature and accuracy of assessment of the resectability of the malignant lesion were evaluated. In the statistical analysis test X2 and Fisher's precise test were performed. Results: A statistical analysis determined 88% sensitivity, 95% specifity and 94% exactness of MRI and MRCP in the evaluation of nature of tumors within the pancreas and 100% sensitivity, 91% specificity and 95% accuracy in determining the resectability of the lesion. The positive predictive value came to 83%, while the negative predictive value to 100%. The Kappa compatibility index in comparison with a surgical findings came to 0.85714. Conclusions: MR and MRCP appears an important stage in diagnosis and in assessment of pancreatic tumors. By the estimation of tumor respectability it aids clinical management.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Autorzy:
Walecki, Jerzy
Nitek, Żaneta
Szwedowski, Dawid
Opis:
Transient osteoporosis is a relatively rare condition of unknown etiology that causes temporary bone loss. The syndrome is characterized by self-limited course and spontaneous resolution after 6 to 12 months. The pathogenesis of transient osteoporosis is not fully understood but several hypotheses that have been proposed include trauma, neurovascular dysfunction and transient hyperemia. Clinical manifestations include sudden onset of pain in the hip that usually worsens with weight bearing and leads to functional disability involving the affected extremity. Radiographs are frequently unremarkable, but may reveal periarticular osteopenia 3-6 weeks after the onset of clinical symptoms. There is no radiographic evidence of demineralization during the early phase of syndrome, as a result advanced imaging is required. Magnetic resonance imaging is the most sensitive and predictable test for an early diagnosis and monitoring of disease progression.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Autorzy:
Samkowski, Jakub
Walecki, Jerzy Michał
Sklinda, Katarzyna
Opis:
Initial clinical experience with COVID-19 vaccination suggests that approved COVID-19 mRNA vaccines induce a strong immune response and thus cause a significantly higher incidence of axillary lymphadenopathy compared with other vaccines. It can therefore be expected to complicate the diagnosis of patients with overt or suspected malignancy, in whom it may be indistinguishable from malignant node involvement. There is a need for guidelines on the appropriate management of unilateral axillary lymph node enlargement. This article studies the available reports on vaccine-associated lymphadenopathy. It also presents a basic strategy for the assessment of axillary lymphadenopathy based on preliminary recommendations and an algorithm. According to these recommendations, screening should be scheduled before or at least 4-6 weeks after the last dose of the vaccine. This will allow reactive adenopathy to resolve and avoid unnecessary and costly axillary lymph node biopsy. Clear and effective communication between patients, radiologists, referring physician teams, and the general public is the way forward in the management of adenopathy following COVID-19 vaccination. Herein we present 5 cases of lymph node enlargement after mRNA vaccine administration from different authors. Their initial radiological diagnosis raised concerns that they might be metastases. Therefore, radiologists need to include COVID-19 vaccination in the differential diagnosis of patients with unilateral axillary adenopathy. Short-term follow-up of unilateral axillary adenopathy with recent COVID-19 vaccination is an appropriate recommendation.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
Rationality of using whole-body computed tomography in trauma patients
Autorzy:
Latos, Tomasz
Walecki, Jerzy Michał
Wierzchołowski, Wojciech
Opis:
Purpose: Identification of the group of patients meeting the criteria of a severe multiple trauma (polytrauma) among those admitted to the regional trauma centre and subjected to whole-body computed tomography (WBCT) due to injuries. Identification the patients for whom WBCT was the optimal choice. Material and methods: Retrospective analysis of the data of 303 patients undergoing WBCT in the period 2015-2017 with assessment of the injury severity based on the abbreviated injury scale (AIS) and injury severity score (ISS). Results: Among 303 patients undergoing WBCT due to trauma, multiple injuries with ISS > 15 were found in 74 individuals (24.4%). After excluding patients whose limb fractures increased ISS above 15, the group decreased to 63 patients (20.8%). For these patients, the WBCT may be described as the optimal imaging method at an early stage of management. Conclusions: Trauma patients are too often qualified for WBCT. Exposure to a high dose of ionising radiation associated with this modality requires critical analysis of the scope of indications and rules of conduct for trauma teams.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
Radiogenomika
Autorzy:
Walecki, Jerzy
Wasilewski, Piotr Gustaw
Półtorak-Szymczak, Gabriela
Tematy:
genomika
fenotyp badania obrazowego
glejak
diagnostyka obrazowa
Pokaż więcej
Wydawca:
Indygo Zahir Media
Powiązania:
https://bibliotekanauki.pl/articles/58906366.pdf  Link otwiera się w nowym oknie
Opis:
W ostatnich latach w wielu dyscyplinach medycznych istnieje silna tendencja do ilościowego przedstawiania wyników, co wiąże się z terminem „medycyna ilościowa” (ang. quantitative medicine). Medycyna ilościowa wpisuje się w cyfryzację medycyny i coraz szersze zastosowanie metod sztucznej inteligencji. Korzyść z tych rozwiązań ma wiele kluczowych technik diagnostycznych, w tym m.in. genetyka i diagnostyka obrazowa – skojarzenie obu tych metod nosi nazwę radiogenomiki.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Importance of radiological evaluation of global spinal balance together with lower limb alignment in planning lumbar spine deformity surgery : illustrative case presentation
Autorzy:
Kołakowski, Przemysław
Kolońska, Danuta
Głowacki, Mariusz
Walecki, Jerzy
Opis:
BACKGROUND: The presented case illustrates the critical role of a detailed preoperative radiological evaluation in complex spine surgery. CASE REPORT: A 49-year-old patient was admitted for a revision surgery after L3–L5 fusion. Preoperative assessment showed preserved sagittal balance, coronal imbalance and valgus knee deformity. The patient reported pain of 8–10 in VAS (Visual Analogue Scale) and had an ODI (Oswestry Disability Index) of 60%. The first step of the surgery was L2–S1 fusion with decompression and spine deformity correction. The second step involved anti-valgus osteotomy of the right tibial bone. CONCLUSIONS: The assessment of global spinal balance together with lower extremity alignment should be strongly recommended.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Wyświetlanie 1-10 z 74

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