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Peripheral blood smear

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https://www.readbyqxmd.com/read/29676380/fatal-meningococcal-septicemia-without-meningeal-signs-contribution-of-the-peripheral-smear-in-diagnosis-report-of-a-case
#1
Deepti Mutreja, Nikhil Moorchung, S J Manasa, Jeenu Varghese
Acute meningococcemia is characterized by extensive purpurae consisting of both petechiae and ecchymoses. This condition can be rapidly fatal without treatment due to shock and severe consumptive coagulopathy. We report a case of fatal meningococcal septicemia in a military recruit who presented with fever and associated rapidly progressive purpuric rash (purpura fulminans) without any meningeal signs. Evaluation revealed evidence of disseminated intravascular coagulopathy and multiorgan failure. Diplococci were demonstrated in peripheral blood neutrophils and monocytes...
April 2018: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29670776/-kit-d816v-positive-acute-mast-cell-leukemia-associated-with-normal-karyotype-acute-myeloid-leukemia
#2
Marta Lopes, Maria Dos Anjos Teixeira, Cláudia Casais, Vanessa Mesquita, Patrícia Seabra, Renata Cabral, José Palla-García, Catarina Lau, João Rodrigues, Maria Jara-Acevedo, Inês Freitas, Jose Ramón Vizcaíno, Jorge Coutinho, Luis Escribano, Alberto Orfao, Margarida Lima
Introduction: Mast cell (MC) leukemia (MCL) is extremely rare. We present a case of MCL diagnosed concomitantly with acute myeloblastic leukemia (AML). Case Report: A 41-year-old woman presented with asthenia, anorexia, fever, epigastralgia, and diarrhea. She had a maculopapular skin rash, hepatosplenomegaly, retroperitoneal adenopathies, pancytopenia, 6% blast cells (BC) and 20% MC in the peripheral blood, elevated lactate dehydrogenase, cholestasis, hypoalbuminemia, hypogammaglobulinemia, and increased serum tryptase (184  μ g/L)...
2018: Case Reports in Hematology
https://www.readbyqxmd.com/read/29661231/surveillance-for-lymphatic-filariasis-after-stopping-mass-drug-administration-in-endemic-districts-of-togo-2010-2015
#3
Monique Ameyo Dorkenoo, Rachel Bronzan, Degninou Yehadji, Mawèke Tchalim, Kossi Yakpa, Santrao Etassoli, Poukpessi Adjeloh, Issaka Maman, Yao Sodahlon
BACKGROUND: Togo is a country previously endemic for lymphatic filariasis (LF). In 2010, following nine years of mass drug administration (MDA) for LF, the country established a post-treatment surveillance (PTS) system. We present here the results of these PTS activities, carried out from 2010 to 2015, as well as the findings of follow-up investigations in 2016 to confirm the absence of infection in previously infected individuals. METHODS: The routine surveillance established in 2010 consisted of a network of 47 laboratories, which searched for Wuchereria bancrofti microfilaria on nocturnal blood smears collected for malaria diagnosis and an additional network of 20 peripheral health facilities, which collected dried blood spots and tested them for Og4C3 antigen...
April 16, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29657154/two-new-species-of-hepatozoon-apicomplexa-hepatozoidae-parasitising-species-of-philothamnus-ophidia-colubridae-from-south-africa
#4
Courtney Antonia Cook, Edward Charles Netherlands, Johann van As, Nico Jacobus Smit
To date, only a few species of Hepatozoon Miller, 1908 have been described from amphibians and reptiles of South Africa, including two species from anuran hosts, three from saurians, one from chelonians, and two from ophidians. Hepatozoon bitis (Fantham, 1925) and Hepatozoon refringens (Sambon et Seligmann, 1907), parasitising Bitis arientans (Merrem) and Pseudoaspis cana (Linnaeus), respectively, were described in the early 1900s and since then there have been no further species of Hepatozoon described from snakes in South Africa...
April 3, 2018: Folia Parasitologica
https://www.readbyqxmd.com/read/29656787/fifty-year-incidence-of-waldenstr%C3%A3-m-macroglobulinemia-in-olmsted-county-minnesota-from-1961-through-2010-a-population-based-study-with-complete-case-capture-and-hematopathologic-review
#5
Robert A Kyle, Dirk R Larson, Ellen D McPhail, Terry M Therneau, Angela Dispenzieri, Shaji Kumar, Prashant Kapoor, James R Cerhan, S Vincent Rajkumar
OBJECTIVE: To determine the incidence of Waldenström macroglobulinemia (WM) in a strictly defined geographic area over a 50-year period. PATIENTS AND METHODS: All residents of Olmsted County with a diagnosis of WM, consisting of a monoclonal IgM protein of any size and/or 10% or more lymphoplasmacytic infiltration of the bone marrow along with anemia, constitutional symptoms, hyperviscosity, lymphadenopathy, or hepatosplenomegaly requiring therapy, were identified from January 1, 1961, to December 31, 2010...
April 12, 2018: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29656215/inter-observer-variance-and-the-need-for-standardization-in-the-morphological-classification-of-myelodysplastic-syndrome
#6
Keiko Sasada, Noriko Yamamoto, Hiroki Masuda, Yoko Tanaka, Ayako Ishihara, Yasushi Takamatsu, Yutaka Yatomi, Waichiro Katsuda, Issei Sato, Hirotaka Matsui
In this era of genome medicine, the sub-classification of myeloid neoplasms, including myelodysplastic syndrome (MDS), is now supported by genetic testing in selected cases. However, as the initial suspicion and primary diagnosis of the disease still largely relies on morphological features and numbers of hematopoietic cells, the establishment of a uniform diagnostic basis, especially for cell morphology, is essential. In this study, we collected nearly 100,000 hematopoietic cell images from 499 peripheral blood smear specimens from patients with MDS and used these to evaluate the standardization of morphological classification by medical technologists...
April 9, 2018: Leukemia Research
https://www.readbyqxmd.com/read/29625787/tropical-diseases-in-the-icu-a-syndromic-approach-to-diagnosis-and-treatment
#7
Dilip R Karnad, Guy A Richards, Gisele Sampaio Silva, Pravin Amin
Tropical infections form 20-30% of ICU admissions in tropical countries. Diarrheal diseases, malaria, dengue, typhoid, rickettsial diseases and leptospirosis are common causes of critical illness. Overlapping clinical features makes initial diagnosis challenging. A systematic approach involving (1) history of specific continent or country of travel, (2) exposure to specific environments (forests or farms, water sports, consumption of exotic foods), (3) incubation period, and (4) pattern of organ involvement and subtle differences in manifestations help in differential diagnosis and choice of initial empiric therapy...
March 27, 2018: Journal of Critical Care
https://www.readbyqxmd.com/read/29622894/budding-yeast-forms-on-peripheral-blood-smear-an-intriguing-finding
#8
Poojan Agarwal, Narender Tejwani, Neelam Sachdeva, Anurag Mehta
No abstract text is available yet for this article.
April 2018: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29622873/clinico-hematological-profile-of-hb-q-india-an-uncommon-hemoglobin-variant
#9
Aradhana Harrison, Ranjeet Singh Mashon, Naveen Kakkar, Sheila Das
Inherited hemoglobin disorders include thalassemias and structural variants like HbS, HbE, and HbD, Hb Lepore, HbD-Iran, Hb-H disease and HbQ India. HbQ India is an uncommon alpha-chain structural hemoglobin variant seen in North and West India. Patients are mostly asymptomatic and often present in the heterozygous state or co-inherited with beta-thalassaemia. This study was done in a tertiary care teaching hospital in North India over a period of 7 years among patients referred from antenatal and other clinics for screening of hemoglobin disorders...
April 2018: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29620515/progress-in-the-diagnosis-and-management-of-chorea-acanthocytosis
#10
Yang Liu, Zi-Yuan Liu, Xin-Hua Wan, Yi Guo
Chorea-acanthocytosis (ChAc) is the most common subtype of neuroacanthocytosis syndrome, characterized by the presence of acanthocytes and neurological disorders. It is thought to be caused by VPS13A mutations. Characteristic movement disorders in ChAc is choreiform movements affecting both trunk and extremities and prominent orolingual dyskinesia is pathognomonic. Acanthocytosis in peripheral blood smear, elevated serum creatine kinase and atrophy of heads of caudate nuclei and dilation of the anterior horn of the lateral ventricles in magnetic resonance imaging could assist the diagnosis of ChAc...
March 30, 2018: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/29617885/can-findings-on-peripheral-blood-smear-differentiate-leptospirosis-from-other-infections-a-preliminary-comparative-study
#11
Nipun Lakshitha de Silva, Sriharan Sivayoganathan, Ahalya Sivashangar, Wasanthi Wickramasinghe, Lallindra Gooneratne, Senaka Rajapakse
Background: Blood smear changes have never been investigated as a potential tool to aid in the diagnosis of leptospirosis. Methods: Blood smears prepared from patients with leptospirosis, dengue and sepsis within the first 5 days of illness were reported by haematologists blinded to the diagnosis. Results: A total of 20, 28 and 22 patients with leptospirosis, dengue and sepsis, respectively, were analysed. Neutrophil leucocytosis, toxic changes in neutrophils, left shift, reactive lymphocytes, target cells and thrombocytopaenia were seen in 60%, 70%, 40%, 70%, 50% and 65% of the leptospirosis patients, respectively...
March 29, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29615102/a-case-report-of-nifedipine-induced-hepatitis-with-jaundice
#12
Dimas Yusuf, Joanna Christy, David Owen, Meghan Ho, David Li, Martin J Fishman
BACKGROUND: Nifedipine is a generic, well-known and commonly-prescribed dihydropyridine calcium channel blocker used in the treatment of hypertension and Prinzmetal's angina. A known but very rare and serious adverse effect of nifedipine is clinically-apparent hepatitis which can take months to resolve. CASE PRESENTATION: Here we present a case of nifedipine-induced hepatitis in a 78-year-old Caucasian female with no prior history of liver or autoimmune disease...
April 3, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29614573/-eperythrozoonosis-complicated-with-hemophagocytic-syndrome-report-of-four-cases-and-review-of-literature
#13
J G Li, D Zhang, Z X Zhou, S N Li, M Kang, J M Lai
Objective: To analyze the clinical characteristics of eperythrozoonosis complicated with hemophagocytic syndrome (HPS) in 4 children. Methods: Four patients diagnosed with eperythrozoonosis complicated with HPS in the Children's Hospital Affiliated Capital Institute of Pediatrics during the period from June 2014 to July 2016 were enrolled. The clinical manifestations, laboratory examination data and therapeutic strategies were analyzed. A literature search (search terms included 'eperythrozoonosis' and 'hemophagocytic syndrome') was conducted using CNKI, Wanfang database, Chinese biomedical literature database and PubMed to include recently published studies (searched from the database establishment to January 2017)...
April 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29611640/influence-of-simvastatin-on-red-blood-cell-line-in-porcine-bone-marrow
#14
A Snarska, S Gonkowski, L Rytel, A Pomianowski, I Babińska, I Otrocka-Domagała, K Żarczyńska, D Wysocka, P Sobiech
Simvastatin is a drug commonly used to reduce the cholesterol level. 32 clinically healthy female pigs with a bodyweight of 35-40 kg, kept in standard laboratory conditions were chosen for the experiment and divided into 2 groups (control and experimental) consisting of 16 animals. The experimental group received simvastatin orally at a dose of 40 mg (one tablet once a day) for 56 days, and at the same time the control group received placebo (empty gelatin capsules). Bone marrow smears and peripheral blood samples were evaluated...
December 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/29581813/atypical-presentation-of-acute-myeloid-leukemia
#15
Kavita Agrawal, Levin Miles, Nirav Agrawal, Asim Khan
We present a case of a 48-year-old male who presented with worsening pleuritic chest pain for 2 h. He also complained of fever, malaise, headache and severe neck pain. Electrocardiogram (ECG) showed ST segment elevation in leads I, II, aVL and V5 with PR elevation and ST depression in aVR. On admission, troponin-I was 14.8 ng/mL. Based on ECG changes, elevated troponin and family history of early coronary artery disease, the patient was emergently taken to cardiac catheterization lab. Angiography showed non-obstructive coronaries, mild hypokinesis of mid inferior and anterolateral wall with ejection fraction (EF) of 40-45%...
February 2018: World Journal of Oncology
https://www.readbyqxmd.com/read/29579413/the-unusual-nutritional-and-toxin-related-underproduction-anemias-approaching-the-riddle-beyond-iron-cobalamin-and-folate
#16
Cristhiam Mauricio Rojas-Hernandez, Thein Hlaing Oo
"Anemias beyond iron, vitamin B12, and folate deficiencies" covers a wide array of everything which lies beyond commonly seen anemias caused by deficiencies of three micronutrients. Although anemias due to deficiencies of iron, B12, and folate are common in daily practice and account for at least one-third of anemia etiologies in older adults, it is not uncommon to encounter other nutritional and toxin-induced underproduction anemias. The combination of thorough clinical examination, careful peripheral blood smear review, and judicious selection of supporting laboratory studies is typically sufficient to make an assertive diagnosis of those cases...
February 2018: Discovery Medicine
https://www.readbyqxmd.com/read/29572498/a-single-high-fat-meal-provokes-pathological-erythrocyte-remodeling-and-increases-myeloperoxidase-levels-implications-for-acute-coronary-syndrome
#17
Tyler W Benson, Neal L Weintraub, Ha Won Kim, Nichole Seigler, Sanjiv Kumar, Jonathan Pye, Tetsuo Horimatsu, Rod Pellenberg, David W Stepp, Rudolf Lucas, Vladimir Y Bogdanov, Sheldon E Litwin, Julia E Brittain, Ryan A Harris
High-fat meal (HFM) consumption can produce acute lipemia and trigger myocardial infarction in patients with atherosclerosis, but the mechanisms are poorly understood. Erythrocytes (red blood cells, RBCs) intimately interact with inflammatory cells and blood vessels and play a complex role in regulating vascular function. Chronic high-fat feeding in mice induces pathological RBC remodeling, suggesting a novel link between HFM, RBCs, and vascular dysfunction. However, whether acute HFM can induce RBC remodeling in humans is unknown...
March 23, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29568847/haematologist-reviewed-peripheral-blood-smear-in-paediatric-practice
#18
Anselm Chi-Wai Lee
Manual examination of the peripheral blood smear (PBS) is currently performed on a fraction of samples sent for automated complete cell count. 39 children (age range 0-16.2 years) referred to a private paediatric practice during a 16-month period were retrospectively reviewed. Clinical scenarios, haematological features, laboratory-initiated PBS review, haematologist's PBS review and final diagnosis were described. Clinical indications included isolated thrombocytopenia (n = 10), unexplained bruises (n = 5), acute febrile illnesses (n = 11), anaemia (n = 8) and others (n = 5)...
February 2018: Singapore Medical Journal
https://www.readbyqxmd.com/read/29550758/thrombotic-microangiopathy-associated-with-mycoplasma-pneumoniae-infection
#19
Filipa Caeiro Alves, Rute Aguiar, Pedro Pessegueiro, Carlos Pires
Thrombotic microangiopathy (TMA) comprises a process of sequential endothelial damage, microvascular thrombosis, consumptive thrombocytopenia and microangiopathic haemolytic anaemia that can affect several organs, including the kidney. A 36-year-old woman was presented with a petechial rash 3 weeks after an upper respiratory tract infection. Laboratory results showed normocytic normochromic anaemia, thrombocytopenia and evidence of TMA with decreased haptoglobin, elevated serum lactate dehydrogenase and a peripheral blood smear with numerous schistocytes...
March 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29545424/chronic-myelogenous-leukaemia-with-a-p53-mutation-demonstrated-neutrophilic-granulocytes-with-nuclear-hypolobation-pseudo-pelger-h%C3%A3-et-anomaly-and-hypogranulation-in-the-peripheral-blood-smear
#20
Motoharu Shibusawa, Jiro Tadokoro, Masaru Kojima, Makoto Kashimura
A 70-year-old man visited our emergency department, whose laboratory test results revealed leucocytosis, anaemia, thrombocytopenia and high levels of serum lactate dehydrogenase. In addition, the peripheral blood smear revealed neutrophilic granulocytes with nuclear hypolobation (pseudo-Pelger-Hüet anomaly), hypogranulation and no myeloperoxidase reactivity. Genetic testing of the peripheral blood sample was as follows: G-band, 46XY,t(9;22)(q34;q11.2) (20/20); fluorescence in situ hybridisation BCR/ABL fusion signal, 97%; and analysis of exons 5-9 of the p53 gene, mutation (Pro72Arg) in exon 4 protein...
March 15, 2018: BMJ Case Reports
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