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Key Clinical Message In the context of lymphoma, it is of paramount importance to perform subsequent Positron Emission Tomography‐Computed Tomography (PET‐CT) scans to ensure the comprehensive eradication of neoplasms. Abstract Primary renal diffuse tumors constitute less than 1% of all renal neoplasms. Among these, diffuse renal large B‐cell lymphoma is an exceedingly rare extranodal lymphoma. A 64‐year‐old male presented to the Department of Urology with complaints of persistent left flank discomfort for a duration of 2 weeks. Additionally, he reported generalized weakness, fatigue, and symptoms indicative of lower urinary tract obstruction, such as discomfort in the left testicle and dysuria. Ultrasound imaging revealed an echogenic structure with thickened, reactive walls and a turbid fluid core, located in the left flank, proximal to the lower pole of the kidney. This structure was subsequently identified as diffuse renal large B‐cell lymphoma. For the diagnosis of large B‐cell lymphomas, it is imperative that a proficient hematopathologist performs a comprehensive examination of the tumor tissue, preferably utilizing an excisional biopsy. The categorization of lymphoma requires specialized tests such as immunohistochemistry, flow cytometry, fluorescence in situ hybridization (FISH), and molecular testing. In instances where a renal mass is detected, healthcare professionals should consider performing a biopsy. In lymphoma cases, follow‐up Positron Emission Tomography‐Computed Tomography (PET‐CT) scans are crucial to confirm the complete eradication of the tumor.

Key Clinical Message Cutaneous oxalosis is a rare manifestation of systemic oxalosis, typically associated with primary or secondary hyperoxaluria. We present a rare case of a 23‐year‐old female diagnosed with primary hyperoxaluria and end‐stage renal disease, who presented with papules on the palms without any vascular complications. The skin can be affected by oxalate deposition, resulting in various manifestations such as vascular complications or calcified nodules. In our case, the patient had primary hyperoxaluria and end‐stage renal disease but exhibited atypical features of cutaneous oxalosis. Histopathology confirmed the presence of oxalate crystals in the dermis, subcutis, and medium‐sized arteries. The mechanism of oxalate deposition in this case remains unclear. This case underscores the importance of considering cutaneous oxalosis in the differential diagnosis of patients with renal failure and skin lesions, and highlights the variability of clinical presentations in primary hyperoxaluria.

Key Clinical Message A novel radiologic sign in patients with renal failure and uremic encephalopathy (UE) with metabolic acidosis has recently been identified as the lentiform fork sign. On magnetic resonance imaging (MRI), the “lentiform fork sign” has been described as bilateral symmetrical hyperintensities in the basal ganglia encircled by a hyperintese rim delineating the lentiform nucleus. Changes in uremic solute retention, aberrant blood–brain barrier transport, disordered vascular reactivity, altered electrolyte and acid–base balance, and altered hormone metabolism are the most likely causes of the condition. A 56‐year‐old male with end‐stage renal disease was brought to the emergency room for a progressive change in mental status and involuntary arm movements over the previous 5 days, which were accompanied by mild dyspnea. A brain MRI was performed, and it revealed hyperintensity on T2/FLAIR in the white matter surrounding the basal ganglia. the patient was treated with dialysis and improved greatly. Intensified hemodialysis and glycemic control are the cornerstones of treating diabetic uremic syndrome (DUS) with likely reversible clinical symptoms and remission of imaging abnormalities.

Lower urinary tract symptoms (LUTS) are including an overactive bladder, voiding and storing urine. The causes of LUTS include infectious and inflammatory. In this paper we present a rare case of LUTS caused by scabies mites and could be the third case reported in the medical literature. A 12-year-old child came to hospital complaining of tenesmus, dysuria and hematuria several days ago. A diagnosis of LUTS was established and investigations showed the scabie mite is the possible cause for the disease. Scabies mites have the ability of entering into the urinary tract leading to LUTS in patients affected with scabies.

Abstract Background Evidence-based medicine (EBM) is to integrate the best research evidence with our clinical expertise, circumstances, and unique values of our patient. However, there are no studies about using EBM in clinical practice among resident doctors in Syria. In this study, we aimed to evaluate the self-reported knowledge, attitude and practice (KAP) of EBM by resident doctors throughout different teaching hospitals in Syria. Methods The study is a cross-sectional. A self-reported online questionnaire was used to collect data about KAP of EBM from 214 resident physicians working in secondary and tertiary teaching hospitals. The study was conducted between September 2021 and February 2022. All data were analyzed using SPSS, and non-parametric statistical tests were used to identify the correlation between different variables and make the necessary comparisons. Results Two hundred and fourteen physicians responded to the questionnaire with a response rate of 85.6%. The overall mean scores of KAP of EBM were 59.2, 74.3 and 53.9%, respectively. The participants displayed a low level of awareness of resources and statistical terms used in EBM. The most well-known resources for residents were Up To Date and PubMed. Among the participants, pediatric residents achieved the highest score in practicing EBM, while family medicine residents scored the lowest score. Conclusion The overall impression about the KAP of EBM among Syrian residents was as following: weak awareness, neutral attitude and poor practice of EBM. Training workshops should be set up to teach residents the skills needed to move from opinion-based practice to evidence-based practice.