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  • 1
    Electronic Resource
    Electronic Resource
    A morphological and immunohistochemical study of 25 cases of so-called sclerosing haemangioma of the lung (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 27 (1995), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The so-called sclerosing haemangioma of the lung is an uncommon tumour with predilection for Chinese women. Twenty-five cases showed a predominantly solid/cellular pattern in three, a haemorrhagic/angiomatoid pattern in three, a papillary pattern in one, a sclerotic pattern in one, and in seventeen, a mixed pattern was observed. Immunostaining revealed the expression of epithelial membrane antigen, vimentin (V9), and CD68 (KP1) in all tumours, cytokeratin in 23 (Cam 5.2 and MNF116), S-100 protein in 22 and alpha-smooth muscle actin in 23 tumours. All tumours were negative for surfactant, factor VIII-related antigen, CD34 and MAC387. There was strong labelling for progesterone receptor protein in 20 tumours, and oestrogen receptor protein was weakly stainable in 13 tumours. The histogenesis of sclerosing haemangioma of the lung is controversial and origin from pneumocyte, histiocyte, mesothelial, endothelial and Clara cell has been suggested. Our immunohistochemical findings, in the largest series studied to date, indicated a cytokeratin+, vimentin+, epithelial membrane antigen+, alpha-smooth muscle actin+, CD68+, oestrogen+, progesterone+, phenotype, confirming an epithelial lineage but which does not clearly correspond to any recognized cell in the respiratory system. The distinct expression of progesterone and oestrogen receptor proteins correlates with the predilection of this tumour for women.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1995.tb00020.x
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  • 2
    Electronic Resource
    Electronic Resource
    A method for recognising feature interactions and feature components within the interactions (1997)
    Springer
    The international journal of advanced manufacturing technology 13 (1997), S. 713-722 
    Details
    ISSN: 1433-3015
    Keywords: Attributed adjacency graph ; Convex hull ; Feature interaction ; Feature recognition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Handling feature interaction is an outstanding issue in the feature recognition approach. This paper presents a method for recognising the presence of feature interactions and for determining the feature components within the interactions. First, two general feature types, namely depression and protrusion features, are identified from B-rep models based on a modified convex hull concept. Secondly, the identified features are represented by a modified AAG (Attributes Adjacency Graph) for facilitating their classification into low-level feature components, such as slots, pockets and bosses. Any unrecognisable features that remain after this second step are regarded as interacting features and they are finally recognised as low-level features via a process of virtual face building and volume adding.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01179071
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  • 3
    Electronic Resource
    Electronic Resource
    Systemic inflammatory response syndrome in intravascular lymphomatosis (1997)
    Springer
    Intensive care medicine 23 (1997), S. 783-786 
    Details
    ISSN: 1432-1238
    Keywords: Key words Systemic inflammatory response syndrome ; Intravascular lymphomatosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Intravascular lymphomatosis (IVL) is characterized by an intravascular proliferation of atypical mononuclear cells of haematopoietic origin occluding small blood vessels including venules, capillaries and small arteries, and can affect virtually any organ in the body. Clinically, the most common manifestations are involvement of the skin and central nervous system, although various organ involvement has been described. We report a patient who presented with fever and rash, and succumbed with acute neurological symptoms and systemic inflammatory response syndrome (SIRS) with no evidence of infection. The postmortem revealed disseminated involvement of virtually every organ with IVL, the malignant cells being of T-cell origin, which may secrete cytokines including tumour necrosis factor and interleukin-1, that are believed to be mediators in SIRS. In the absence of evidence of infection on microbiology and pathology, we postulate that the features of SIRS in this patient was due to the disseminated malignancy itself.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001340050410
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  • 4
    Electronic Resource
    Electronic Resource
    Absence of radiofrequency heating from auditory implants during magnetic resonance imaging (1995)
    New York, NY [u.a.] : Wiley-Blackwell
    Bioelectromagnetics 16 (1995), S. 307-316 
    Details
    ISSN: 0197-8462
    Keywords: thermography ; temperature ; phantom ; dielectric properties ; Life and Medical Sciences ; Occupational Health and Environmental Toxicology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Physics
    Notes: The possibility of tissue heating due to an auditory brainstem implant (ABI) or a modified cochlear implant (CI) during magnetic resonance imaging (MRI) of the head was tested on a full-sized human phantom using a realistic phantom head consisting of simulated skull, brain, and muscle. Dielectric properties of the brain, muscle, and bone materials were similar to those of human tissues at 64 MHz. The body consisted of homogeneous phantom muscle enclosed in a human-shaped fiberglass shell. Thermographic and fiber-optic temperature measurements were conducted to reveal any heating. Thermograms of sagittal, frontal, and horizontal planes of the head with the ABI and CI electrodes were taken immediately before and after a 26 min MRI scan. The MRI sequence was set at 94 excitations and 25 ms echo time to induce maximum radiofrequency heating, as suggested by the General Electric Company. The difference of these two thermograms gives the heating results. In two uncut phantom heads, Teflon tubes were placed along the implanted ABI and CI, and temperature data were recorded via fiber-optic probes before, during, and after the MRI. Results showed no observable heating associated with the ABI and the modified CI during worst-case MRI of the head. © 1995 Wiley-Liss, Inc.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bem.2250160507
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