Multimodality imaging features of Canal-of-Nuck hydrocele in adults.

Canal of Nuck abnormalities are common in pediatric population but may rarely present in adults. Hydrocele of the Canal of Nuck is the most common presentation in adult population. These may be symptomatic or found incidentally on imaging.

Angioimmunoblastic T-Cell Lymphoma: A Case Report.

Previously believed to be an exaggerated immune response and not a lymphoma, angioimmunoblastic T-cell lymphoma (AITL) is now recognized as a rare variant of peripheral T-cell lymphoma with an aggressive clinical course and poor response to current therapies. There is no standard of care for treatment, but the identification of extranodal involvement is useful for prognostic purposes since the involvement of more than one extranodal site can escalate the patient's risk category on the International Prognostic Index (IPI). Here we present the case of a patient with AITL who initially presented with an extranodal disease in the form of a fluorodeoxyglucose (FDG)-avid subcutaneous nodule and probable involvement of the spleen.

Intussusception in a child with COVID-19 in the USA.

COVID-19, caused by the novel coronavirus strain SARS-CoV-2 that emerged in late 2019, has resulted in a global pandemic. COVID-19 was initially believed to occur less frequently in children with relatively mild disease. However, severe disease and varied presentations have been reported in infected children, one of such being intussusception.

An atypical subacute presentation of posterior reversible encephalopathy syndrome.

Posterior reversible encephalopathy syndrome (PRES) characteristically presents with rapid onset of headache, seizure, encephalopathy, and visual changes, along with evidence of parieto-occipital vasogenic edema on magnetic resonance imaging. We describe the case of a 41-year-old female with a protracted presentation of two of the four classic PRES symptoms, which were not immediately recognized as PRES due to the presence of multiple other comorbidities and reasons for encephalopathy. This case highlights the possibility of atypical presentations of PRES and the diagnostic challenges in making this clinical diagnosis when competing diagnoses are present.

Comparative effects of cocaine and cocaethylene on alveolar epithelial type II cells.

Abuse of cocaine (COC) and alcohol have been among the leading causes of non-prescription drug-related deaths in the USA and are known to cause acute and chronic lung diseases. The co-abuse of COC and alcohol results in the production of an active metabolite, cocaethylene (CE). The effects of COC and its metabolites on the respiratory system have been scarcely studied.