Comparison of the outcomes of Total Knee Arthroplasty (TKA): tourniquet and tourniquet-less arthroplasty.

Total knee replacement surgery (TKA) ranks among the most commonly performed orthopedic procedures nowadays. Many surgeons perform TKA with the use of tourniquet. It is also possible to carry out a tourniquet-less TKA.

Frequent Occurrence of Alzheimer Disease in Patients With IgE-mediated Allergies.

Alzheimer disease and allergic diseases are common health problems. The aim of the study was to check the hypothesis that older patients with IgE-mediated allergies have a higher prevalence of Alzheimer disease. It was a retrospective, multicenter cohort observation.

Misdiagnosis Based on Neoplastic Markers-Extremely High Alpha-Fetoprotein in Patients with Intrahepatic Cholangiocarcinoma with Literature Review of the Published Cases.

: Alpha-fetoprotein (AFP) and carbohydrate antigen 19-9 (CA 19-9) are two tumor markers that are widely used in the differential diagnosis in patients with primary liver tumors. Very high levels of AFP are sporadically observed in patients with intrahepatic cholangiocarcinoma (ICC) and may cause an incorrect initial diagnosis of hepatocellular carcinoma (HCC). : Two cases of tumors in cirrhotic livers were described, in which the initial diagnosis, based on very high AFP levels (Patient I: 10,464 ng/mL, Patient II: 2212 ng/mL, reference range: ≤8.

Significantly Elevated CA 19-9 after COVID-19 Vaccination and Literature Review of Non-Cancerous Cases with CA 19-9 > 1000 U/mL.

Background: CA 19-9 is a commonly assessed tumor marker, considered characteristic of pancreatic ductal adenocarcinoma (PDAC) and biliary tract cancers; however, the positive predictive value of CA 19.9 is too low, and the usage of CA 19.9 as a screening tool in the healthy population remains controversial.