Myeloperoxidase Deficiency Manifesting as Pseudoneutropenia with Low Mean Peroxidase Index and High Monocyte Count in 4 Adult Patients.

abstract：OBJECTIVE:Because of the rapidly emerging SARS-CoV-2 pandemic and its wide public health challenges, rapid diagnosis is essential to decrease the spread. Antigen-based rapid detection tests are available; however, insufficient data about their performance are available. METHODS:The lateral-flow immunochromatographic B...

journal_title：Laboratory medicine

authors： Abdelrazik AM,Elshafie SM,Abdelaziz HM

更新日期：2020-12-07 00:00:00

abstract：:Cell-derived microparticles (MPs) are small fragments released from various cells when they are activated or undergo apoptosis. In the field of transfusion medicine, a number of studies have documented increased levels of MPs in blood products, which have been associated with multiple factors, including donor variabil...

journal_title：Laboratory medicine

authors： Noulsri E

更新日期：2020-09-01 00:00:00

abstract：:Storage pool deficiency (SPD) is a group of rare platelet disorders that result from deficiencies in α-granules, δ-granules, or both. One type of α-SPD is gray platelet syndrome (GPS), caused by mutations in the neurobeachin-like 2 (NBEAL2) gene that results in a bleeding diathesis, thrombocytopenia, splenomegaly, and...

journal_title：Laboratory medicine

authors： Riley R,Khan A,Pai S,Warmke L,Winkler M,Gunning W

更新日期：2019-10-10 00:00:00

abstract：:The main clinical distinction between post-transfusion purpura (PTP) and idiopathic thrombocytopenic purpura (ITP) is the sudden development of severe thrombocytopenia in the days after transfusion. Herein, we report the case of a 53-year-old Caucasian woman who developed multiple myeloma (MM) after peripheral blood-s...

journal_title：Laboratory medicine

authors： Milito C,Masel D,Henrichs K,Schmidt AE,Kirkley S,Aljitawi O,Becker M,Blumberg N,Refaai MA

更新日期：2019-10-10 00:00:00

abstract：OBJECTIVE:Auramine-phenol stain was compared with Kinyoun's acid-fast stain to detect coccidia parasites in fecal samples from immunocompromised patients. The comparison was based on the number of detected cases, sensitivity, specificity, time required for the procedure, ease of use, interpretation, and cost. METHODS:...

journal_title：Laboratory medicine

authors： Abou El-Naga IF,Gaafar MR

更新日期：2014-01-01 00:00:00

abstract：OBJECTIVE:Examination of urine sediment is crucial in acute kidney injury (AKI). In such renal injury, tubular epithelial cells, epithelial cell casts, and dysmorphic red cells may provide clues to etiology. The aim of this study was to compare automated urinalysis findings with manual microscopic analysis in AKI. MET...

journal_title：Laboratory medicine

authors： Chandrashekar V,Tarigopula A,Prabhakar V

更新日期：2020-10-03 00:00:00

abstract：:Laboratory professionals, consultants, and treating physicians may encounter discrepancies in serological testing results for numerous reasons; identifying the reason(s) for the presence of an unexpected antibody or antigen can be challenging. A question-based approach can be useful in identifying the underlying cause...

journal_title：Laboratory medicine

authors： Yudin J,Heddle NM

更新日期：2014-07-01 00:00:00

abstract：BACKGROUND:The University of Maryland Medical System, like all other medical systems, is faced with providing the highest quality care in an environment of increased demands and competition for resources. Some responses to this pressure include improved integration, coordination, and efficiency. Laboratory integration ...

journal_title：Laboratory medicine

authors： Cook J

更新日期：2017-02-01 00:00:00

abstract：BACKGROUND:Consanguineous marriage, a common practice in South India, increase the incidence of autosomal recessive diseases such as nonsyndromic hearing loss (NSHL) in offspring. This trend was noted in the children with hearing impairment (HI) who received cochlear implants (CI) at our University hospital in Porur, C...

journal_title：Laboratory medicine

authors： Arunachalam RK,Koshy T,Venkatesan V,Dawson GP,Franklin Durairaj Paul S,George P

更新日期：2020-01-02 00:00:00

abstract：:Hereditary hemochromatosis (HH) is an autosomal recessive disorder of iron metabolism characterized by increased iron absorption and tissue deposition. Three loss-of-function mutations in the hemochromatosis gene (HFE), namely, C282Y (c.845G>A), H63D (c.187C>G), and S65C (c.193A>T), account for the vast majority of HH...

journal_title：Laboratory medicine

authors： Turbiville D,Du X,Yo J,Jana BR,Dong J

更新日期：2019-04-08 00:00:00

abstract：:In the past few years, interest has increased in cell-derived microparticles (MPs), which are defined by their size of from 0.1 to 1 μm, and can be derived from various cell types, including endothelial cells, leukocytes, red blood cells (RBCs), and platelets. These MPs carry negatively charged phosphatidylserine (PS)...

journal_title：Laboratory medicine

authors： Noulsri E

更新日期：2020-08-20 00:00:00

abstract：OBJECTIVE:Tyrosine kinase inhibitors (TKIs) are considered standard first-line treatment in patients with chronic myeloid leukemia. Because ABL kinase domain mutations are the most common causes of treatment resistance, their prevalence and assessment during treatment may predict subsequent response to therapy. METHOD...

journal_title：Laboratory medicine

authors： Shojaei M,Rezvani H,Azarkeivan A,Poopak B

更新日期：2020-08-21 00:00:00

abstract：BACKGROUND:Single-vial fecal immunochemical testing (FIT) is an accepted method of colorectal cancer (CRC) screening. The available 3-vial FIT data set allows for comparison of colonoscopy results using various screening methods. OBJECTIVE:To determine the optimal number of vials for a strong FIT-screening program by ...

journal_title：Laboratory medicine

authors： Hancock JA,Palmer GA

更新日期：2019-07-16 00:00:00

abstract：:Herein, we present a case of extensive lymph node involvement by disseminated Cryptococcus infection developing in the immediate period after liver transplantation and initiation of immunosuppressive therapy. The patient, a 56 year old ethnicity unknown man, received a liver transplant for acute decompensated liver. B...

journal_title：Laboratory medicine

authors： Gilles SR,Arbefeville SS,Ferrieri P,Courville EL

更新日期：2018-07-05 00:00:00

abstract：:Tacrolimus (Tac) is an immunosuppressive drug that is used in preventing organ and tissue rejection in patients after transplantation. Tac administration requires frequent and diligent monitoring by physicians to ensure proper dosage and to limit the potential for harmful adverse effects, which can include renal damag...

journal_title：Laboratory medicine

authors： Kalt DA

更新日期：2017-11-08 00:00:00

abstract：BACKGROUND:The production of 2 monoclonal proteins characterizes biclonal gammopathic manifestations (BGMs). The available medical literature from India is chiefly restricted to case reports. OBJECTIVE:To study the incidence of BGMs in a tertiary care center in Chandigarh, India, during a 4-year period. We evaluated t...

journal_title：Laboratory medicine

authors： Sharma S,Gupta P,Aggarwal R,Malhotra P,Minz RW,Bansal F

更新日期：2019-10-10 00:00:00

abstract：Objective:To determine the effect of presence of high concentrations of nicotinamide adenine dinucleotide (NADH)- and nicotinamide adenine dinucleotide phosphate (NADPH)-consuming enzymes on the accuracy of glutamate dehydrogenase (GLDH) assay for ammonia. Methods:We measured ammonia concentrations using GLDH and NADH...

journal_title：Laboratory medicine

authors： Vodenicarovova M,Skalska H,Holecek M

更新日期：2017-11-08 00:00:00

abstract：OBJECTIVE:Panels of clinical laboratory testing may generate "incidental" critical values from unordered parameters. Existing regulations do not clearly delineate guidelines for handling incidental critical values. The objective of this study was to examine the patterns and clinical utility of incidental critical value...

journal_title：Laboratory medicine

authors： Grieme CV,Voss DR,Olson KE,Davis SR,Kulhavy J,Krasowski MD

更新日期：2016-11-01 00:00:00

abstract：PATIENT:78-year-old African-American man. PAST MEDICAL HISTORY:Chronic lymphocytic leukemia first diagnosed in 2003, with a subsequent relapse in 2006 and another in 2010. HISTORY OF PRESENT ILLNESS:In late 2011, the patient was admitted to the hospital for cholelithiasis, at which time his treating physician inciden...

journal_title：Laboratory medicine

authors： Sartori A,Staley B,Skipper A

更新日期：2014-07-01 00:00:00

abstract：OBJECTIVE:To evaluate and compare the performances of the automated urinalysis devices UX-2000 and Cobas 6500. METHOD:A total of 258 urine specimens were collected from the routine specimen workload. We analyzed all specimens on both automated instruments and recorded the turnaround time from each method. Physical, ch...

journal_title：Laboratory medicine

authors： Wesarachkitti B,Khejonnit V,Pratumvinit B,Reesukumal K,Meepanya S,Pattanavin C,Wongkrajang P

更新日期：2016-05-01 00:00:00

abstract：Background:When unpredicted surgical blood loss occurs, it is essential that blood arrive from the blood bank in a timely manner. Objective:To evaluate the turnaround time (TAT) for red blood cells (RBCs) from the blood bank to the operating suite. Cases with delayed TATs were further analyzed to determine potential c...

journal_title：Laboratory medicine

authors： Lee AJ,Kim SG

更新日期：2017-08-01 00:00:00

abstract：BACKGROUND:Currently, more than 45 mathematical formulas based on simple red blood cell (RBC) parameters have been proposed for differentiating between iron deficiency and thalassemia in microcytic anemia, of which 20 are relatively new and have not been thoroughly independently verified. The study goal was to verify t...

journal_title：Laboratory medicine

authors： Hoffmann JJML,Urrechaga E

更新日期：2020-11-02 00:00:00

abstract：BACKGROUND:Encephalitis is caused by infection, immune mediated diseases, or primary inflammatory diseases. Of all the causative infectious pathogens, 90% are viruses or bacteria. Granulomatous amoebic encephalitis (GAE), caused by Balamuthia mandrillaris, is a rare but life-threatening disease. Diagnosis and therapy a...

journal_title：Laboratory medicine

authors： Yang Y,Hu X,Min L,Dong X,Guan Y

更新日期：2020-03-10 00:00:00

abstract：OBJECTIVE:To explore novel biomarkers for patients with pancreatic ductal adenocarcinoma (PDAC), from the perspective of tumor hypoxia. METHODS:We screened 29 differentially expressed and hypoxia-upregulated genes from the Oncomine database. A total of 12 secretory proteins that interact with hypoxia-inducible factor ...

journal_title：Laboratory medicine

authors： Yang L,Cui R,Li Y,Liang K,Ni M,Gu Y

更新日期：2020-07-08 00:00:00

abstract：:Extremely low hemoglobin A1c (HbA1c) results below reference range are rare, and the causes and clinical implications associated with low HbA1c results are not well understood among clinical laboratorians. A case of extremely low HbA1c results was reported, in which liver cirrhosis, subacute hemorrhage and recent tran...

journal_title：Laboratory medicine

authors： Wang P

更新日期：2017-02-01 00:00:00

abstract：PATIENT:47-year-old African American man. CHIEF COMPLAINT:Initially, serious finger abscess. The patient reported severe pain that was localized to that finger only. HISTORY OF PRESENT ILLNESS:His finger had become sore and then progressively more painful and swollen. PAST MEDICAL HISTORY:A few weeks earlier, the pa...

journal_title：Laboratory medicine

authors： Rausch S

更新日期：2014-07-01 00:00:00

abstract：:Antinuclear antibodies (ANAs) are autoantibodies that attack self-proteins within cell nucleus structures; their presence in serum may indicate an autoimmune disease. Also, positive ANA test results have been obtained in chronic infectious diseases, cancers, medication-related adverse events, and even healthy individu...

journal_title：Laboratory medicine

authors： Sur LM,Floca E,Sur DG,Colceriu MC,Samasca G,Sur G

更新日期：2018-07-05 00:00:00

abstract：Background:Thromboelastography (TEG) has become the standard of care in liver-transplant surgery to identify real-time abnormalities in the coagulation cascade. To our knowledge, no studies have been performed to measure the intrasubject reproducibility of TEG parameters in cirrhotic patients. Objective:To perform a v...

journal_title：Laboratory medicine

authors： George G,Manatasahit W,Balasubramanian M,Navarro V

更新日期：2018-07-05 00:00:00

abstract：Background:Anti-phospholipase A2 receptor (anti-PLA2R) is a promising biomarker for diagnosis, activity evaluation, therapy monitoring, and prognostic estimation of primary membranous neuropathy (pMN). Difference in methodology may be one cause of the discrepancy in anti-PLA2R-positive percentages in reported studies. ...

journal_title：Laboratory medicine

authors： Li W,Guo Y,Zhang Z,Zhang F,Liu X,Ji X,Liu L,Wang H

更新日期：2018-10-11 00:00:00

abstract：:Maintaining an in-compliance clinical laboratory takes continuous awareness and review of standards, regulations, and best practices. A strong quality assurance program and well informed leaders who maintain professional networks can aid in this necessary task. This article will discuss a process that laboratories can...

journal_title：Laboratory medicine

authors： Byrne KM,Levy KY,Reese EM

更新日期：2016-05-01 00:00:00