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Peripheral blood smear

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https://www.readbyqxmd.com/read/29228571/identification-of-a-novel-de-novo-ank1-r1426-nonsense-mutation-in-a-chinese-family-with-hereditary-spherocytosis-by-ngs
#1
Xiong Wang, Bin Yi, Ketao Mu, Na Shen, Yaowu Zhu, Qun Hu, Yanjun Lu
Hereditary spherocytosis (HS) is an inherited heterogeneous hemolytic anemia, characterized by the presence of spherical-shaped erythrocytes on the peripheral blood smear, and the clinical manifestation ranges from asymptomatic to severely anemic, and transfusion-dependent patients. Mutations in at least five genes (ANK1, EPB42, SLC4A1, SPTA1, and SPTB) have been identified so far, and mutations of ANK1 gene are responsible for the majority of all HS cases. In this study, targeted next generation sequencing (NGS) was applied to identify a novel de novo ANK1 c...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29226651/quantitative-distinction-of-morphological-characteristics-of-white-blood-cells-in-peripheral-blood-through-texture-analysis-using-gray-level-co-occurrence-matrix
#2
Mai Yamamoto, Keigo Kono, Maiko Kuroki, Satoru Murakami, Ruka Hayata, Kana Nanato, Minrong Shao, Keiko Miwa, Yutaka Tsutsumi, Kazunori Okada, Sanae Kaga, Nobuo Masauzi
BACKGROUND: Texture features are valuable clues for skilled technicians to differentiate peripheral blood (PB) white blood cells (WBCs). Some studies have tried to distinguish WBCs automatically by using texture analysis. However, no study so far has applied a gray level co-occurrence matrix (GLCM) to images of PB WBCs. Here, we developed a new GLCM method, called the CM-Tx method, for automatically distinguishing PB WBCs. METHODS: We used a total of 199 images of six different types of PB WBCs, taken from PB smears of 12 healthy volunteers, as objective standard images for the analysis...
November 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29218495/systemic-epstein-barr-virus-positive-t-cell-lymphoproliferative-disorders-of-childhood-with-fulminant-leukocytosis-and-tumor-lysis-a-case-report-with-autopsy-findings
#3
Sachie Wada, Takayuki Suzuki, Koichi Kitazume, Akira Fujita, Seiichiro Shimizu
Systemic Epstein-Barr virus (EBV)-positive T-cell lymphoproliferative disorders (T-LPD) of childhood is an extremely rare disease characterized by an aggressive clinical course and very poor prognosis. We report an adolescent male with systemic EBV-positive T-LPD of childhood after primary EBV infection, resulting in a fatal clinical course within 9 days, along with autopsy findings. A 19-year-old male without an immunocompromised status presented with an acute onset of high fever, and was hospitalized for persistent fever, vomiting and diarrhea on the 5th day from onset...
December 7, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/29217700/unusual-finding-of-a-megakaryocyte-in-a-peripheral-blood-smear
#4
Nam K Ku, Hooman Rashidi
No abstract text is available yet for this article.
December 7, 2017: Blood
https://www.readbyqxmd.com/read/29211696/green-neutrophilic-inclusions-current-understanding-and-review-of-literature
#5
Jay Yang, Ali Gabali
PURPOSE OF REVIEW: Green cytoplasmic inclusions in neutrophils are an uncommon finding on the peripheral blood smear. A comprehensive review of the literature is presented here with the goal of summarizing knowledge to date and increasing awareness. RECENT FINDINGS: A total of 41 cases have been reported in the literature, indicating the rarity of these green neutrophilic inclusions. Clinically, the inclusions have most consistently been associated with elevated transaminases, hepatic failure, and a high early mortality rate...
January 2018: Current Opinion in Hematology
https://www.readbyqxmd.com/read/29207722/thalassaemia-trait-with-gaucher-disease-a-diagnostic-dilemma
#6
Jyoti Ramnath Kini, Saraswathy Sreeram, Anupama Hegde, Sowmini Kamath, Radha Ramachandra Pai
Gaucher Disease is an autosomal recessive disease caused by the accumulation of glucocerebrosidase due to deficiency in lysosomal glucocerebrosidase. Thalassaemia trait is asymptomatic and is usually an incidental diagnosis. Both thalassaemia and Gaucher disease can have similar haematologic manifestations and hence, their coexistence causes diagnostic dilemma. Our patient presented at one-and-a-half years with weakness, pallor, failure to thrive and massive hepatosplenomegaly. Clinical examination and history pointed to a lipid storage disease...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29196200/incidental-thrombotic-thrombocytopenic-purpura-during-acute-ischemic-stroke-and-thrombolytic-treatment
#7
İbrahim Acır, Hacı Ali Erdoğan, Vildan Yayla, Nilay Taşdemir, Murat Çabalar
BACKGROUND: Intravenous tissue plasminogen activator (IV tPA) was shown to be an effective treatment for acute ischemic stroke (AIS). According to stroke guidelines, there is no need to wait for the complete blood count (CBC) and coagulation test results before application of IV alteplase if there is no suspected coagulation disorder. In this study, a patient with AIS and thrombotic thrombocytopenic purpura (TTP) symptoms during thrombolytic treatment was presented. CASE: A 33-year-old male patient was admitted at the 2...
November 28, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29191209/co-infection-with-bartonella-bacilliformis-and-mycobacterium-spp-in-a-coastal-region-of-peru
#8
Wilmer Silva-Caso, Fernando Mazulis, Claudia Weilg, Miguel Angel Aguilar-Luis, Isabel Sandoval, German Correa-Nuñez, Dongmei Li, Xiuping Song, Qiyong Liu, Juana Del Valle-Mendoza
OBJECTIVE: This study investigated an outbreak of Bartonellosis in a coastal region in Peru. RESULTS: A total of 70 (n = 70) samples with clinical criteria for the acute phase of Bartonellosis and a positive peripheral blood smear were included. 22.85% (n = 16) cases of the samples were positive for Bartonella bacilliformis by PCR and automatic sequencing. Of those positive samples, 62.5% (n = 10) cases were positive only for B. bacilliformis and 37.5% (n = 6) cases were positive to both Mycobacterium spp...
December 1, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29180502/photo-quiz-peripheral-blood-smear-in-a-ugandan-refugee
#9
EDITORIAL
Raffaele Bernardo, Shoshana Streiter, Perry Tiberio, Benjamin A Rodwin, Amir Mohareb, Onyema Ogbuagu, Brinda Emu, Jaimie P Meyer
No abstract text is available yet for this article.
December 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29180248/transient-monoclonal-gammopathy-induced-by-candida-fungemia
#10
Joanna L Conant, Ian Rabinowitz, Qian-Yun Zhang
A 41-year-old woman was admitted for Candida fungemia. On hospital day 4, a routine complete blood count and peripheral smear showed circulating plasma cells. Initial work up showed an M-component on serum protein electrophoresis with 6% lambda-predominate plasma cells by flow cytometry. The patient was treated with intravenous antifungal therapy. Her six month follow up laboratory evaluation revealed resolution of the M-component and only rare polyclonal plasma cells in peripheral blood by flow cytometry. This case illustrates that transient monoclongal gammopathy can be induced by fungal infection...
November 24, 2017: Human Pathology
https://www.readbyqxmd.com/read/29158926/acquired-elliptocytosis-as-a-manifestation-of-myelodysplastic-syndrome-with-ring-sideroblasts-and-multilineage-dysplasia
#11
Jacob D Kjelland, Denis M Dwyre, Brian A Jonas
Acquired elliptocytosis is a known but rarely described abnormality in the myelodysplastic syndromes (MDS). Here we report the case of an elderly male who was admitted to the hospital with chest pain, dyspnea, and fatigue and was found to be anemic with an elliptocytosis that had only recently been noted on peripheral smears of his blood. After bone marrow biopsy he was diagnosed with MDS with ring sideroblasts and multilineage dysplasia and acquired elliptocytosis. Here we report a rare case of acquired elliptocytosis cooccurring with MDS with ring sideroblasts and multilineage dysplasia...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/29155023/therapy-related-myeloid-neoplasm-in-an-18-year-old-boy-with-b-lymphoblastic-leukemia
#12
Xin Qing, Eduard Panosyan, Changjun Yue, Ping Ji, Moran Gotesman, Samuel French, Junchao Cai
BACKGROUND: Acute lymphoblastic leukemia (ALL) is the most common pediatric malignancy. Acute myeloid leukemia or myelodysplastic syndrome during the course of ALL is a rare entity. Some of these cases are therapy-related while the others occur due to lineage switch. The correct diagnosis relies on comparing the immunophenotypes and cytogenetic/molecular alterations of the myeloid neoplasm and the ALL. We present the clinical, pathologic and cytogenetic features of a case of an 18-year-old male with prior treatment for B-lymphoblastic leukemia (B-ALL) who developed therapy-related myeloid neoplasm (t-MN) 4-5years after his initial diagnosis of B-ALL...
November 16, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29153070/-the-importance-of-the-contribution-of-rapid-test-serological-and-molecular-methods-in-the-diagnosis-of-two-imported-malaria-cases-with-atypical-microscopy
#13
Orçun Zorbozan, Hüsnü Pullukçu, Esra Atalay Şahar, Muhammet Karakavuk, Hüseyin Can, Varol Tunali, Mert Döşkaya, Nevin Turgay, Seray Töz, Ahmet Özbilgin
Malaria is a widespread and life-threatening disease in tropical and subtropical regions. In patients with typical clinical symptoms, malaria is considered as a preliminary diagnosis if there is a travel history to malaria-endemic areas. The basis of the laboratory diagnosis of malaria is the microscopic examination of Giemsa stained smears. On the other hand, the diagnosis and differentiation of Plasmodium species with microscopic examination may have some difficulties. In the first case, adifferent appearance from the classical Plasmodium vivax erythrocytic forms in infected erythrocytes were detected in 1% of all erythrocytes in thin smear blood preparations of a 26-year-old male with complaints of fever and chills and a story of travel to Nigeria...
October 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29145679/-leukopenia-a-diagnostic-guideline-for-the-clinical-routine
#14
Deborah Christen, Tim H Brümmendorf, Jens Panse
Reasons for leukopenia can be numerous. To get close to the diagnosis it's always useful to check previous blood counts of the patient to get a feeling for the dynamic development of the leukopenia. Furthermore, it's important to check the red blood cell count and platelet count as well; a bi- or a pancytopenia usually implies an insufficient production in the bone marrow. Nevertheless, a manual counted peripheral blood smear is an essential step towards the right diagnosis in leukopenia: Beside cell counts of the single subgroups of leucocytes it also provides information on potential causes such as dysplasia...
November 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29145678/-thrombocytosis-and-thrombocytopenia-background-and-clinical-relevance
#15
Kai Wille, Parvis Sadjadian, Martin Griesshammer
Due to the central role of platelets in hemostasis, the clinical relevance of quantitative changes in platelet counts (< 150 G/l or > 450 G/l) may be significant. Thrombopoesis (= production of platelets) occurs in the bone marrow, and the hormone thrombopoetin takes control on its regulation.In thrombocytosis, primary causes have to be distinguished from the far more common reactive (= secondary) reasons. The most important form of primary thrombocytosis occurs in myeloproliferative neoplasms especially in essential thrombocythemia (ET)...
November 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29138663/toluidine-blue-rapid-and-simple-malaria-parasite-screening-and-species-identification
#16
Rupali Awale, Ratnaprabha Maji, Parag Patil, Raghavendra Lingiah, Ashok Kumar Mukhopadhyay, Subhadra Sharma
Malaria, a febrile illness mostly confined to the tropical countries is transmitted by bite of infected female Anopheles mosquito. In 2015 alone, 88% of the malaria burden and 90% deaths due to malaria were confined to the African and Asian countries. Although number of tests are available for rapid diagnosis and screening for malaria, peripheral blood smear examination remains the gold standard. Leishman stain is recommended by WHO however herein we evaluate one of the alternative methods of staining which is simple and rapid...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29134526/mucociliary-transport-differential-white-blood-cells-and-cyto-genotoxicity-in-peripheral-erythrocytes-in-fish-from-a-polluted-urban-pond
#17
Edison Bezerra da Silva, Sandra Aparecida da Silva Corrêa, Denis Moledo de Souza Abessa, Bruno Ferreira Xavier da Silva, Dolores Helena Rodriguez Ferreira Rivero, Robson Seriani
The present study evaluated the water quality of a polluted pond through the analysis of in vitro mucociliary transport, hematological parameters, and biomarkers of cyto-genotoxicity in the Nile tilapia (Oreochromis niloticus). Blood and mucus samples were collected from ten specimens from the polluted pond and from ten specimens from a control area. The fish were anesthetized with 3% benzocaine, mucus was collected directly from the gills, and blood was drawn from the caudal artery. Blood smears were stained using the May-Grünwald Giemsa process for the differential leukocyte counts and to determine the frequency of leukocytes, thrombocytes, erythroblasts, micronuclei, and nuclear abnormalities...
November 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29130141/sj%C3%A3-gren-s-syndrome-initially-presented-as-thrombotic-thrombocytopenic-purpura-in-a-male-patient-a-case-report-and-literature-review
#18
REVIEW
Xiaohan Xu, Tienan Zhu, Di Wu, Lu Zhang
Thrombotic thrombocytopenic purpura (TTP) is a potentially lethal multisystem disorder which could be caused by autoimmune diseases. However, the concomitant occurrence of TTP and Sjögren's syndrome (SS) is an extremely uncommon scenario, especially in male patients. A 56-year-old Chinese male was admitted for the appearance of diffuse ecchymosis. Then he gradually developed transient slurred speech, progressive confusion, agitation, extremity weakness, and fever. Laboratory investigations suggested anemia, thrombocytopenia, significantly increased lactic dehydrogenase, schistocytes in peripheral blood smear, and a disintegrin-like metalloproteinase with thrombospondin motif type 1 member 13 (ADAMTS13) activity deficiency with high inhibitor titers...
November 13, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29111186/plasmodium-falciparum-found-in-the-bone-marrow-of-a-child-in-manado-city-east-indonesia-a-case-report
#19
Suryadi N N Tatura, Stefanus Gunawan, Janno Bernadus, Sianne Sandjoto
In Indonesia, there are at least 1.3 million cases of malaria each year and Plasmodium falciparum appears to be the most common Plasmodium. The finding of Plasmodium is important for the diagnosis and management of malaria. This is a case of a 4-year-and-9-month-old male who lived in Manado, East Indonesia. He presented with a prolonged fever, was pale in appearance, and was easily fatigued over the last 3 weeks. Hepato-splenomegaly was found on the initial physical examination. Preliminary laboratory findings found pancytopenia and severe anemia...
October 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/29099659/identification-of-a-de-novo-ank1-mutation-in-a-chinese-family-with-hereditary-spherocytosis
#20
Hongzai Guan, Xinping Liang, Rong Zhang, Haiyan Wang, Wenmiao Liu, Ru Zhang, Jie Yang, Shiguo Liu
OBJECTIVES: Hereditary spherocytosis (HS) is a genetic heterogeneous disorder characterized by sphere-shaped erythrocytes on peripheral blood smear with a few clinical manifestations. As an important red cell membrane protein, ankyrin 1 can interact with transmembrane proteins and the membrane skeleton and mutations in the ankyrin 1 (ANK1) genes affect about half of all patients with HS. The purpose of this study was to investigate a Chinese Han family with HS to find out the causative gene mutation and explore the genotype-phenotype correlation which can provide the basis for the pathogenesis and prenatal diagnosis for this disease...
November 3, 2017: Hematology (Amsterdam, Netherlands)
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