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Peripheral blood smear

Daniel W Abbott, Kenneth D Friedman, Matthew S Karafin
BACKGROUND: Thrombotic thrombocytopenic purpura (TTP) is a microangiopathic hemolytic anemia that requires emergent treatment with plasma exchange and is one of the most important conditions for which apheresis service professionals are consulted. Careful interpretation of initial laboratory values and the peripheral blood smear is a critical first step to determining the need for plasma exchange because other conditions can show deceptively similar red cell morphology, and ADAMTS13 levels are often not rapidly available...
September 28, 2016: Transfusion and Apheresis Science
Rajesh Deshwal
OBJECTIVE: The clinical presentations and laboratory profile of malaria has been changing over the years. Therefore this study was undertaken to study the clinical profile and laboratory parameters of malarial patients. METHODS: This prospective observational study was undertaken in military hospital with high prevalence of malaria. A total of 320 patients were studied. All patients tested positive by peripheral blood smear or rapid diagnostic test were included...
August 2016: Journal of the Association of Physicians of India
Akimune Kaga, Hiroshi Watanabe, Hiroki Miyabayashi, Takaya Metoki, Setsuko Kitaoka, Satoru Kumaki
Neonatal toxic shock syndrome-like exanthematous disease (NTED) is a newly recognized neonatal infectious disease, caused by the superantigen toxic shock syndrome toxin-1 (TSST-1). TSST-1 is mainly produced by methicillin-resistant Staphylococcus aureus, and the immune responses to TSST-1 are known to cause toxic shock syndrome, a life-threatening infectious disease. The clinical symptoms of NTED are skin rash, fever, and thrombocytopenia, but severe thrombocytopenia is rare in term infants with NTED. Although the cause of NTED is the same as that of toxic shock syndrome, the clinical symptoms of NTED are milder than toxic shock syndrome...
2016: Tohoku Journal of Experimental Medicine
Christian Geier, Jessica Davis, Marc Siegel
A previously healthy 66-year-old woman living in the Mid-Atlantic USA presented to the hospital with lethargy, ataxia and slurred speech. 2 weeks prior she had removed a tick from her right groin. She reported malaise, fevers, diarrhoea, cough and a rash. Physical examination revealed a maculopapular rash on her chest, and lung auscultation revealed bi-basilar rales. Laboratory tests were remarkable for hyponatraemia, leucopenia and thrombocytopenia. Chest X-ray demonstrated bilateral pleural effusions with pulmonary oedema...
October 6, 2016: BMJ Case Reports
Laetitia Piane, Marie-Laure Théron, Marcel Aumann, Catherine Trumel
A 9-year-old, female Maltese dog was referred to the Veterinary School of Toulouse with a 2-day history of anorexia and weakness. On clinical examination, the dog had hyperthermia (39.7°C), abdominal discomfort, and polypnea. Significant laboratory findings included pigmenturia, hyperbilirubinemia, hypercreatininemia, hyperfibrinogenemia, abnormal Snap canine pancreas-specific lipase, and pancytopenia with a nonregenerative anemia. A peripheral blood smear revealed numerous intraerythrocytic large Babesia but no polychromasia...
October 18, 2016: Veterinary Clinical Pathology
Chunyan Shao, Heng Wang, Xiaodu Wang, Sheng Jiang, Jing Sun, Houhui Song, Jianji Li
Endometritis is a common puerperal disease in livestock. Thus, a practical clinical test for the establishment of diagnosis is needed. We developed a goat model for subclinical endometritis diagnosis by examining cytological, ultrastructural features and molecular expression in cervical discharge collected by cervical cytobrush method. A suspension of E. coli was infused into the uterine horn of goats, and cervical discharge, peripheral blood and endomertrial biopsy samples were collected before inoculation and at 3, 6, 12, 24, 72, 120 and 168 hr post-inoculation (pi)...
October 16, 2016: Journal of Veterinary Medical Science
Suchismita Daw, Ritam Chatterjee, Aditya Law, Sujata Law
Hematological disorders like myelodysplastic syndrome (MDS) may arise due to cumulative dysregulation of various signalling pathways controlling proliferation, differentiation, maturation and apoptosis of bone marrow cells. This devastating bone marrow condition can be due to consequential abnormalities in haematopoiesis as well as its supportive microenvironment. Although mutations related to JAK/STAT pathway are common in myeloproliferative neoplasms, further studies are required to fully explore the myelodysplastic scenario regarding the concerned pathway...
October 7, 2016: Chemico-biological Interactions
Sabrina Buoro, Tommaso Mecca, Michela Seghezzi, Barbara Manenti, Giovanna Azzarà, Cosimo Ottomano, Giuseppe Lippi
BACKGROUND: This article was aimed to test the use of validation rules for blood smear review after automated hematological testing using Mindray CAL-8000 (two hematological analyzers and one autoslider). METHODS: This study was based on 1013 peripheral blood samples (PB) referred for routine hematological testing. Results of testing on CAL-8000 were analyzed using both locally derived and International Consensus Group for Hematology (ICGH) validation rules, and then compared with data obtained by optical microscopy (OM)...
October 6, 2016: Journal of Clinical Laboratory Analysis
Jing Chen, Yang Zhou, Yaqi Gao, Weijie Cao, Hui Sun, Yanfang Liu, Chong Wang
OBJECTIVE: Hereditary spherocytosis (HS) is a hemolytic disorder characterized by the presence of spherical-shaped red blood cells on the peripheral blood smear. Non-dominant HS cases are due to de novo mutations of the type associated with dominant inheritance or recessive genes. This study is aimed to identify HS-related biological mechanisms and predicting HS candidate genes. METHODS: We searched the known HS-related genes from the public databases. By analyzing the gene ontology (GO) and biological pathway of these genes, we extracted the optimal features to encode HS genes...
October 3, 2016: Hematology (Amsterdam, Netherlands)
Bin Wu, Kimberly Ingersoll, Catherine Rehder, Endi Wang
Chronic lymphocytic leukemia (CLL) is an indolent mature B-cell neoplasm. During a prolonged disease course, a secondary B-cell neoplasm may arise in some patients, the most common example being the clonal evolution of CLL to diffuse large B-cell lymphoma, which is referred to as Richter transformation. Secondary de novo mature B-cell neoplasms arising in a patient with pre-existing CLL have been described; however, B-lymphoblastic leukemia (B-ALL) developing in untreated CLL is rare, and its clonal relationship to the primary neoplasm has been an interesting issue...
September 22, 2016: Pathology, Research and Practice
Nadia Waheed, Huma Arshad Cheema, Hassan Suleman, Iqra Mushtaq, Zafar Fayyaz
Chanarin-Dorfman syndrome is a rare, genetically determined autosomal recessive disorder, characterised by the presence of lipid droplets in the cytoplasm of multiple tissues of the body, particularly in the blood leukocytes and congenital non-bullous icthyosiform erythroderma. In this paper, we report one-year child who presented with skin lesions since birth and hepatomegaly. Liver biopsy showed steatohepatitis; and peripheral blood smear confirmed Jordan`s anomaly, which is a permanent feature of Chanarin-Dorfman syndrome...
September 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
Omar Niss, Satheesh Chonat, Neha Dagaonkar, Marya O Almansoori, Karol Kerr, Zora R Rogers, Patrick T McGann, Maa-Ohui Quarmyne, Mary Risinger, Kejian Zhang, Theodosia A Kalfa
Hereditary elliptocytosis (HE) and hereditary pyropoikilocytosis (HPP) are heterogeneous red blood cell (RBC) membrane disorders that result from mutations in the genes encoding α-spectrin (SPTA1), β-spectrin (SPTB), or protein 4.1R (EPB41). The resulting defects alter the horizontal cytoskeletal associations and affect RBC membrane stability and deformability causing shortened RBC survival. The clinical diagnosis of HE and HPP relies on identifying characteristic RBC morphology on peripheral blood smear and specific membrane biomechanical properties using osmotic gradient ektacytometry...
October 2016: Blood Cells, Molecules & Diseases
Aziz İnan Çelik, Ali Deniz, Mustafa Tangalay, Muhammet Buğra Karaaslan, Emine Bağır Kılıç
Eosinophilic myocarditis (EM) is a rare form of myocarditis that usually presents with heart failure due to eosinophilic infiltration. EM is often a component of hypereosinophilic syndrome (HES). HES is a rare disorder characterized by persistent, marked eosinophilia combined with organ system dysfunction. A 38-year-old man was admitted to emergency services with left inguinal pain and fever, and was hospitalized with diagnosis of nephrolithiasis and urinary tract infection. Intravenous antibiotic therapy of 3 grams meropenem per day and analgesic of 50 mg pethidine per day were administered...
September 2016: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
Policarp Hortolà
Apart from their forensic significance in crime investigation, human bloodstains have an anthropological interest due to their occurrence on certain traditional weapons and ritual objects. Previously, a guiding study of erythrocytes in experimental samples including domestic sheep (Ovis aries) tibia was carried out using a scanning electron microscope (SEM). Here, a comparative SEM study to reveal the potential differences in bloodstain surface morphology as a function of intra-sample (smear region) and inter-sample (individual smear, smearing mechanism, bone origin) parameters is reported...
November 2016: Micron: the International Research and Review Journal for Microscopy
Roger K Schindhelm, Marije M Van Santen, Arie C Van Der Spek
No abstract text is available yet for this article.
September 23, 2016: Turkish Journal of Haematology: Official Journal of Turkish Society of Haematology
Eman Al Mussaed, Hani Osman, Ghaleb Elyamany
BACKGROUND: The simultaneous Occurrence of chronic lymphocytic leukemia (CLL) and acute myeloid leukemia (AML) has been rarely reported. Most of these cases have been occurring more frequently as a secondary event in patients receiving chemotherapeutic agents for CLL. CASE PRESENTATION: We describe a case of a 77-year-old man who presented with fatigue, pallor and lower limb pain and weakness. Initial laboratory studies showed Hb 7.7 g/dl, WBC 279.6 × 10(9)/1, PLT 143× 10(9)/1...
2016: BMC Cancer
Hiroyuki Honda, Kosuke Matsuzono, Soichiro Fushimi, Kota Sato, Satoshi O Suzuki, Koji Abe, Toru Iwaki
Prion protein (PrP) has 2 glycosylated sites and a glycosylphosphatidylinositol (GPI) anchor on the C-terminal. Reports on genetic prion disease with GPI anchorless PrP are very limited. In this study, we characterized the molecular alterations of mutated PrP in a 37-year-old female autopsy case with a recently identified PRNP mutation involving a 2-bp deletion in codon 178 that results in a premature stop codon mutation in codon 203. Postmortem examination revealed numerous irregularly shaped coarse PrP deposits and multicentric plaques in the brain that were mainly comprised of C-terminal deleted abnormal PrP primarily derived from the mutant allele...
September 15, 2016: Journal of Neuropathology and Experimental Neurology
Ziad Hilal, Franziska Hartmann, Askin Dogan, Cem Cetin, Harald Krentel, Sven Schiermeier, Beate Schultheis, Clemens B Tempfer
BACKGROUND: Lymphoma of the uterine cervix (LUCX) is rare and may occur as a primary or secondary manifestation of this disease. Clinical and cytological presentations of LUCX vary and establishing diagnosis is often difficult. Surgery followed by radiation or chemotherapy is the mainstay of treatment. CASE REPORT: We present the case of a 73-year-old woman with recurrent pathological PAP smears of the cervix and a history of chronic lymphatic leukemia 15 years ago...
September 2016: Anticancer Research
Supakanya Wongrakpanich, Moiz Salahuddin, Priyanka Mittar
No abstract text is available yet for this article.
September 2016: Cleveland Clinic Journal of Medicine
Z Urakçi, M A Kaplan, M Küçüköner, A Doğan, Zş Oruç, S B Zincircioğlu, E Bodakçi, N Akdeniz, A Işikdoğan
Leukemoid reaction is characterized by an elevation in neutrophil levels in peripheral blood and is defined as a total leukocyte number exceeding 50 000/mm(3). An increase in mature neutrophils occurs in peripheral blood in leukemoid reaction. A 70-year-old man was referred to us due to development of leukocytosis. His history revealed that the mass had begun beneath the armpit two months previously and had spread rapidly. At physical examination his general condition was poor, and he was conscious, oriented and cooperative...
November 4, 2015: West Indian Medical Journal
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