background: the north eastern region in india is endemic for canine heartworm disease but in clinics accurate diagnosis is some times difficult. the aim of the present study was to determine the prevalence of occult infections for heartworm disease in canine in two geographical regions of north eastern india. methods : a total of 782 numbers of three categories of dogs namely, working dogs of m...

background: the i-space is a radiological imaging system in which computed tomography (ct)-scans can be evaluated as a three dimensional hologram. the aim of this study is to analyze the value of virtual reality (i-space) in diagnosing acute occult scaphoid fractures.   methods: a convenient cohort of 24 patients with a ct-scan from prior studies, without a scaphoid fracture on radiograph, yet ...

conclusions hbv vaccination in infancy is effective at preventing chronic hbv infection but is less effective at preventing occult hbv infection. similar studies examining the efficacy of adult hbv vaccination in preventing occult hbv have not been performed. this case highlights the importance of carefully determining the hbv status of high-risk individuals, as vaccination history and the pres...

Dear editor, the fecal occult blood test is the presently widely used screening laboratory test for colorectal cancer. At present, the test is usually based on an immunological diagnostic principle (1, 2). A false positive fecal occult blood is common and widely mentioned in literature. Nevertheless, the false negative is little mentioned in the paper. Here, the authors discuss the issue of the...

 ABSTRACT Background: Hepatitis B virus (HBV) infection in patients who lack detectable hepatitis B surface antigen (HBsAg) is called occult hepatitis B infection. Such infections have been frequently identified in patients with chronic hepatitis Cliver disease, but their prevalence is not known. Methods: 207 patients with chronic hepatitis C who were HCV -RNA and antiHCV positive were stu...

Occult hepatitis B virus infection (HBV) is characterized by HBV DNA positivity but HBV surface antigen (HBsAg) negativity. Occult HBV infection is associated with a risk of HBV transmission through blood transfusion, hemodialysis, and liver transplantation. Furthermore, occult HBV infection contributes to the development of cirrhosis and hepatocellular carcinoma. We recently reported the chara...

BACKGROUND Reduction mammaplasty (RM) is among the commonly performed procedures by plastic surgeons. Occult breast cancers are rarely detected in these specimens. The purpose of the study was to describe histopathological evaluation of reduction mammaplasty specimens to detect occult breast cancer in Southern Iran. METHODS The histological diagnosis of 350 RM specimens from 175 patients...