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We report the case of a 38-year-old patient with an undocumented history of lung disease who presented with Kartagener's syndrome diagnosed on CT scan in the context of lupus erythematosus. Kartagener's syndrome is a distinct entity among primary ciliary dyskinesias, but its association with lupus has not been described in the literature., (© 2024 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)

Anticoagulant-induced spontaneous small bowel hematoma is a rare cause of acute mechanical bowel obstruction. We report the case of a 77-year-old patient with complete arrhythmia due to atrial fibrillation under acenocoumarol 4mg daily who was seen for right iliac fossa pain. The laboratory tests showed a prothrombin rate (PT) of 12%, an International Normalized Ratio (INR) of 6, and an aPTT (activated partial thromboplastin time) of 43 seconds. Abdominopelvic ultrasound showed an echogenic pelvic effusion. The diagnosis of the small hematoma was made by abdominopelvic CT scan, which showed a thickening of the small bowel wall reducing its caliber associated with a parietal hematoma . The evolution was unremarkable under supplementation therapy vitamin K., (© 2024 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)

Posterior Reversible Encephalopathy Syndrome (PRES) is a radio-clinical entity associating reversible damage of the central nervous system and typical brain imaging. The clinical context is often suggestive with, in half of cases, the use of vasoactive substances (cannabis, antidepressants, nasal decongestants) and/or postpartum. The etiologies are dominated by hypertensive encephalopathy, preeclampsia, eclampsia, immunosuppressive therapies, and systemic diseases. We report a case of posterior encephalopathy syndrome occurring in a young female without hypertension. It was about a 40-year-old female without hypertension underlying condition, received at the emergency department for headaches and generalized tonic-clonic seizures. The physical examination was unremarkable, and her blood pressure was 130/70 mm Hg. CT scan revealed bilateral white matter hypodensity in the posterior occipital regions and a right frontal subarachnoid hemorrhage. There was no aneurysmal malformation of the polygon of Willis and no cerebral thrombophlebitis. Brain MRI showed T2 and FLAIR hypersignal areas in the occipital and frontal cortico-subcortical regions, with no diffusion signal abnormalities or contrast enhancement, and a right frontal subarachnoid hemorrhagic lesion with no other impairment. The diagnosis of reversible posterior encephalopathy syndrome was made up, and the outcome was favorable under treatment. Posterior reversible encephalopathy syndrome is an uncommon but probably underdiagnosed condition. Hypertensive encephalopathy is the most common etiology. However, there would be cases of PRES without hypertension as shown in this observation., (© 2024 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)

Congenital band is a rare cause of bowel obstruction, most commonly occurring in childhood. We report a case of a young adult with no medical and surgical previous history who had symptoms of bowel obstruction evolving for 2 days. Computed tomography (CT) found an adhesive band causing a small bowel obstruction. An open laparotomy was performed, and the intraoperative findings were consistent with a congenital band compressing the ileum. Through this clinical case, we illustrate an uncommon cause of bowel obstruction and the interest of the CT for the management., (© 2023 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)

Acute mesenteric ischemia is a rare life-threatening diagnostic and therapeutic emergency. Lack of clinical and biological specificity makes the diagnosis difficult. Imaging, particularly computed tomography can help confirm the diagnosis. An underlying cause is identified in about 30%-70% of cases and should always be sought. We report a case of a 51-year-old man with chronic alcoholic liver disease admitted to the emergency department for abdominal pain. Computed tomography showed mesenteric venous thrombosis with signs of small bowel ischemia and cirrhosis with portal hypertension. Through this observation, we describe the imaging aspects of mesenteric ischemia and emphasize the necessity of seeking underlying pathological condition., (© 2023 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)

Cerebral amyloid angiopathy (CAA) is an age-related cerebral microangiopathy characterized by the accumulation of amyloid-beta peptide in the wall of leptomeningeal arteries and cortical vessels. Diagnosis of sporadic amyloid angiopathy is most often made in elderly patient with lobar hematoma. We report a case of a 68-year-old female who had minimal head injury. Cerebral CT showed a right cerebellar hematoma. Follow-up MRI after 4 months showed signs of cerebral amyloid angiopathy. Through this observation, we describe the MRI semiology that helps make the diagnosis of cerebral amyloid angiopathy., (© 2023 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)

Atypical fibromuscular dysplasia of the bulb or carotid web is a nonatheromatous pathology more common in African and African-American populations. It is implicated in the occurrence of cerebral infarcts of unknown causes. Its diagnosis is made by angio-CT of the supra-aortic trunks and is characterized by a defect in the posterior wall of the bulb. Treatment with antiplatelet agents prevents the occurrence of stroke, but radical treatment remains surgical and endovascular. We report 2 observations of carotid web diagnosed and medically managed at the regional hospital of Saint Louis., (Published by Elsevier Inc. on behalf of University of Washington.)

Pylephlebitis is a complication of intra-abdominal infections. Its occurrence during cholecystitis is a rare situation. We report the case of a 43-year-old female patient who presented with septic thrombosis of the right portal branch following acute calculous cholecystitis diagnosed on abdominal CT. The clinical evolution was favorable under antibiotic therapy and a cholecystectomy was scheduled., (© 2023 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)

Pylephlebitis is a thrombotic occlusion of the portal vein or its branches secondary to infection in regions that drain to the portal venous system. Clinical presentation is often atypical, and patients may initially present with non-specific abdominal symptoms. We report a case of pylephlebitis secondary to inflammatory colitis depicted by CT scan in a 35-year-old female admitted for acute abdominal pain associated with vomiting and fever., (© 2022 The Authors.)

Intracranial aneurysms are focal dilations of an intracranial artery. They can be discovered incidentally, during a hemorrhagic stroke or subarachnoid hemorrhage, but it is rare for it to be detected after an ischemic stroke. The prevalence of the association between symptomatic carotid occlusion or stenosis and intracranial aneurysms is estimated to be 6.3%. We report the case of a patient hospitalized for the management of a stroke in whom investigations had revealed the coexistence of right carotid occlusion and multiple aneurysms in the right middle cerebral artery. The diagnosis was made by CT angiography of supra-aortic trunks., (© 2022 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)

Pyonephrosis is a suppurative infection of the kidney caused by ureteral obstruction. It can lead to kidney failure, septic shock, and death. Thus, it requires prompt assessment and appropriate management. We report a case of a 63-year-old male with giant pyonephrosis contained 10 liters of pus and spontaneously ruptured in the adjacent muscles. This clinical case illustrates the value of computed tomography scan in the diagnosis and management of an uncommon upper urinary tract infection and its complications., (© 2022 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)