Abstract:
OBJECTIVE:To describe practical experiences in the sharing of very large digital data bases of histopathological imagery via the Internet, by investigators working in Europe, North America, and South America. MATERIALS:Experiences derived from medium power (sampling density 2.4 pixels/microm) and high power (6 pixels/microm) imagery of prostatic tissues, skin shave biopsies, breast lesions, endometrial sections, and colonic lesions. Most of the data included in this paper were from prostate. In particular, 1168 histological images of normal prostate, high grade prostatic intraepithelial neoplasia (PIN), and prostate cancer (PCa) were recorded, archived in an image format developed at the Optical Sciences Center (OSC), University of Arizona, and transmitted to Ancona, Italy, as JPEG (joint photographic experts group) files. Images were downloaded for review using the Internet application FTP (file transfer protocol). The images were then sent from Ancona to other laboratories for additional histopathological review and quantitative analyses. They were viewed using Adobe Photoshop, Paint Shop Pro, and Imaging for Windows. For karyometric analysis full resolution imagery was used, whereas histometric analyses were carried out on JPEG imagery also. RESULTS:The three applications of the telecommunication system were remote histopathological assessment, remote data acquisition, and selection of material. Typical data volumes for each project ranged from 120 megabytes to one gigabyte, and transmission times were usually less than one hour. There were only negligible transmission errors, and no problem in efficient communication, although real time communication was an exception, because of the time zone differences. As far as the remote histopathological assessment of the prostate was concerned, agreement between the pathologist's electronic diagnosis and the diagnostic label applied to the images by the recording scientist was present in 96.6% of instances. When these images were forwarded to two pathologists, the level of concordance with the reviewing pathologist who originally downloaded the files from Tucson was as high as 97.2% and 98.0%. Initial results of studies made by researchers belonging to our group but located in others laboratories showed the feasibility of making quantitative analysis on the same images. CONCLUSIONS:These experiences show that diagnostic teleconsultation and quantitative image analyses via the Internet are not only feasible, but practical, and allow a close collaboration between researchers widely separated by geographical distance and analytical resources.
journal_name
J Clin Patholjournal_title
Journal of clinical pathologyauthors
Montironi R,Thompson D,Scarpelli M,Bartels HG,Hamilton PW,da Silva VD,Sakr WA,Weyn B,van Daele A,Bartels PHdoi
10.1136/jcp.55.6.452keywords:
subject
Has Abstractpub_date
2002-06-01 00:00:00pages
452-60issue
6eissn
0021-9746issn
1472-4146journal_volume
55pub_type
杂志文章abstract::Nearly two thousand clinical samples were examined by direct gas-liquid chromatography over a three year period. Absence of volatile fatty acids (VFAs) in the samples correlated well with negative culture results for anaerobic bacteria. In general the presence of acetic acid alone correlated well with the presence of ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.35.7.709
更新日期:1982-07-01 00:00:00
abstract::Culture of peroral biopsy specimens from duodenal mucosa in vitro for 22 hours using a basic culture medium resulted in the formation of crypt cell nodules. The addition of collagen and serotonin to the culture medium increased the occurrence of the nodules and, invariably, their size. The nodules were situated on the...
journal_title:Journal of clinical pathology
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doi:10.1136/jcp.38.12.1388
更新日期:1985-12-01 00:00:00
abstract::Care in the preparation and preservation of reagents, together with certain modifications in apparatus and technique, have eliminated the difficulties from plasma ammonia analysis. Ammonia contamination from the laboratory atmosphere has not proved an especial hazard, and no major setback has been encountered in the a...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.21.1.14
更新日期:1968-01-01 00:00:00
abstract::Attempts to detect hepatitis B antigen in faeces and bile should take into account the degradation and disappearance of the surface antigens in an environment containing proteolytic enzymes in the presence of bile salts as in the intestinal lumen. The cores of the Dane particles are much more stable than the surface a...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.27.9.693
更新日期:1974-09-01 00:00:00
abstract::Sera obtained from 34 men with Chlamydia trachomatis positive non-gonococcal urethritis, 34 men with C trachomatis negative non-gonococcal urethritis, 42 women with acute salpingitis, 38 healthy women, and 34 healthy men were studied for the presence of specific serum C trachomatis IgA and IgG antibodies. Serological ...
journal_title:Journal of clinical pathology
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doi:10.1136/jcp.37.6.686
更新日期:1984-06-01 00:00:00
abstract::A quantitative method of estimating heparin co-factor in terms of percentage activity is presented. The activity in sera from 75 normal subjects varied little from 100%. Low results were obtained in sera from 50 cases of varying types of malignancy. ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.16.2.115
更新日期:1963-03-01 00:00:00
abstract:AIMS:The chemokine receptor CXCR7 is found on glioma cells and glioma-associated vessels and dependent upon its localisation on tumour or endothelial cells the CXCR7 receptor can mediate glioma cell invasion and tumour angiogenesis. Its expression predicts survival in several types of cancers. METHODS:We immunohistoch...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2015-202886
更新日期:2015-10-01 00:00:00
abstract::One hundred prostates from 20 to 40 year old men obtained at necropsy were completely sectioned and studied microscopically. Atypical hyperplasia was found in 10 (20%) of 20-29 year old men and in 12 (24%) of 30-40 year old men. The prostates with atypical hyperplasia had similar weights as those without, and the atyp...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.42.4.383
更新日期:1989-04-01 00:00:00
abstract::Using a radioimmunoassay technique serum alpha-fetoprotein could be detected in healthy adults in concentrations of less than 20 microgram/l. Of patients with acute, viral hepatitis 43% exhibited a transient rise of serum alpha-fetoprotein, the peak occurring eight to nine days after the maximum recorded serum asparta...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.30.8.704
更新日期:1977-08-01 00:00:00
abstract::An automated method for the microbiological assay of vitamin B(12) is described. A chloramphenicol-resistant strain of Lactobacillus leichmannii is used as the test organism and this eliminates the need for sterilization or aseptic addition. Precipitation of the serum protein is avoided by dilution of the serum with a...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.26.7.494
更新日期:1973-07-01 00:00:00
abstract::A locally developed, computer-based clinical chemistry laboratory system has been in operation since 1970. This utilises a Digital Equipment Co Ltd PDP 12 and an interconnected PDP 8/F computer. Details are presented of the performance and quality control techniques incorporated into the system. Laboratory performance...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.32.2.100
更新日期:1979-02-01 00:00:00
abstract::The excretion of 2,3-dinor-6-keto prostaglandin F1 alpha, a major urinary metabolite of prostacyclin, and the formation of thromboxane B2, a stable metabolite of thromboxane A2, by platelets stimulated by adenosine diphosphate, were studied in alcoholics, who had been admitted for detoxification. Once prolonged heavy ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.40.5.512
更新日期:1987-05-01 00:00:00
abstract:AIM:To examine tumour samples immunohistochemically for MUC1 (episialin), epidermal growth factor receptor (EGFR), and c-erbB-2, since the disruption of the cell-cell adhesion system by MUC1 and the c-erbB oncoprotein family is known to be important in the development of metastasis in human cancers. METHODS:93 tumour ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.51.9.667
更新日期:1998-09-01 00:00:00
abstract::The PAS and acid phosphatase reactions showed a different pattern of positivity in the cells of lymphoproliferative disorders according to their B or T cell nature. In B-cell leukaemias (chronic lymphocytic and prolymphocytic) a low proportion of lymphocytes gave a positive result with the acid phosphatase reaction, w...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.27.10.767
更新日期:1974-10-01 00:00:00
abstract:AIMS:To determine whether myelodysplastic syndromes (MDS) are associated with sea blue histiocytosis in the bone marrow. METHODS:A retrospective review of bone marrow aspirates from 35 patients presenting consecutively with MDS and from 20 patients with each of the following: normal marrow appearance (routine staging ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.46.11.1030
更新日期:1993-11-01 00:00:00
abstract::The nitroblue tetrazolium (NBT) test has been evaluated as a means of differentiating episodes of infection and rejection in 10 cadaver kidney transplant recipients. Normal NBT values were observed during all 11 episodes of acute rejection. A significant elevation of the NBT score was encountered in six of eight episo...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.27.9.734
更新日期:1974-09-01 00:00:00
abstract::Cutaneous melanoma causes most of the skin cancer deaths in the USA. Melanoma is the fifth most common cancer among men and the sixth most common cancer among women. The incidence of melanoma has risen sharply over the past three decades. In this review, which is informed by our extensive experience at a large cancer ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章,评审
doi:10.1136/jclinpath-2018-205417
更新日期:2019-04-01 00:00:00
abstract::Eosinophil polymorphonuclear leucocytes (polymorphs) were counted in 45 specimens from patients with Hodgkin's disease and five specimens from patients with reactive follicular hyperplasia. The use of chlorazol fast pink BK, a little known stain for eosinophil polymorphs, combined with image analysis facilitated rapid...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.37.3.267
更新日期:1984-03-01 00:00:00
abstract::An ultrastructural cytochemical study of lysosomal acid phosphatase was performed on leukemic cells in a case of chronic lymphocytic leukaemia of T cell origin (T-CLL). The cells showed inclusion bodies known as parallel tubular arrays, which often lay within acid phosphatase-positive, membrane-bound spaces. This sugg...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.35.2.167
更新日期:1982-02-01 00:00:00
abstract:OBJECTIVES:To determine whether antibiotics are prescribed appropriately for acute tonsillitis in an emergency department (ED). METHODS:Cross-sectional observational study in large district general hospital in London. Patients diagnosed and coded with 'acute tonsillitis' in the ED over a 3-month period in 2015. Medica...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2016-203808
更新日期:2016-09-01 00:00:00
abstract:AIMS:Inflammatory bowel disease (IBD)-associated precancerous lesions may be adenomatous or non-adenomatous with various histomorphologies. We aim to validate the newly proposed classification, to explore the neoplastic nature of the non-adenomatous lesions and to elucidate the molecular mechanisms underlying the diffe...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jclinpath-2019-206247
更新日期:2020-07-01 00:00:00
abstract::It was postulated that the short chain fatty acids (SCFA) produced by anaerobic bacteria might serve as microbial markers in purulent material. Eighteen pus specimens from various sources were analysed by gas-liquid chromatography (GLC), and the SCFA detected were compared with the microorganisms isolated by conventio...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.32.11.1163
更新日期:1979-11-01 00:00:00
abstract::One hundred and two bone marrow samples were analysed by histological and immunohistochemical methods for neurone specific enolase (NSE). The biopsies were performed to determine the extent of bone marrow disease in 84 neuroblastomas, nine embryonal rhabdomyosarcomas, five Ewing's sarcomas, two cases of Hodgkin's dise...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.44.4.309
更新日期:1991-04-01 00:00:00
abstract:AIM:Ultraviolet light (UV) is known to cause DNA damage in the epidermis. The damaged DNA is repaired or deleted by apoptosis to prevent the generation of cancer. It has been suggested that a deficient apoptotic mechanism may predispose individuals to skin cancer. Therefore, the response of normal controls and patients...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.55.11.829
更新日期:2002-11-01 00:00:00
abstract:AIMS:Periductal angiogenesis in ductal carcinoma in situ is associated with an increased risk of subsequently developing a recurrence. This study aimed to (1) identify the relation between periductal and stromal vascularity and recurrence and (2) determine whether thymidine phosphorylase (TP) is associated with angioge...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.56.12.919
更新日期:2003-12-01 00:00:00
abstract:AIMS:An increase in the proliferative state of the gastric epithelium has been attributed to infection with Helicobacter pylori. In order to obtain a more precise estimate of the magnitude of this change, the proliferative state of 17 cases of florid H pylori associated follicular gastritis was examined using the antib...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.49.1.68
更新日期:1996-01-01 00:00:00
abstract::The role of active hepatitis B virus (HBV) infection in chronic HBsAg positive hepatitis with and without hepatitis delta virus (HDV) superinfection was analysed in percutaneous liver biopsy specimens from 50 patients. Each specimen was divided into two--one part for histological evaluation and for the detection of HB...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.42.7.689
更新日期:1989-07-01 00:00:00
abstract::It is found that serum antifibrinolytic activity is inhibitory both to the spontaneous fibrinolytic activity and to the activity of streptokinase-activated plasminogen. The titres of serum antiplasmin activity during gestation, labour, and the puerperium are all of the same order and do not differ from those in non-pr...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.13.3.220
更新日期:1960-05-01 00:00:00
abstract:INTRODUCTION:Cellular blue naevi (CBN) measure 1-2 cm in diameter and affect the dermis, occasionally extending into the subcutaneous fat. The case of a 14-year-old boy with a giant CBN (GCBN) involving the right half of the face, the jugal mucosa and the lower eyelid with a tumour that had infiltrated the bone and the...
journal_title:Journal of clinical pathology
pub_type: 杂志文章
doi:10.1136/jcp.2005.029488
更新日期:2007-01-01 00:00:00
abstract::Tumour associated antigens recognised by cellular or humoral effectors of the immune system are potential targets for antigen specific cancer immunotherapy. Different categories of cancer antigens have been identified that induce cytotoxic T lymphocyte (CTL) responses in vitro and in vivo, namely: (1) "cancer testis" ...
journal_title:Journal of clinical pathology
pub_type: 杂志文章,评审
doi:10.1136/jcp.54.9.669
更新日期:2001-09-01 00:00:00