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  • 1
    Electronic Resource
    Electronic Resource
    The autopsy (2004)
    Oxford, UK : Blackwell Science Ltd
    Histopathology 44 (2004), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.2004.01740.x
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  • 2
    Electronic Resource
    Electronic Resource
    Fat in the right ventricle of the normal heart (2005)
    Oxford, UK : Blackwell Science Ltd
    Histopathology 46 (2005), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Aims : Fibrofatty replacement of the right ventricle wall, often with associated inflammation, is the hallmark of arrhythmogenic right ventricular cardiomyopathy (ARVC), a rare but established cause of sudden cardiac death in young adults. Fatty infiltration of the right ventricle alone without fibrosis may also occur but its relation to sudden death is not well established. In this study we assessed the amount of epicardial and intramyocardial fat in the right ventricle of ‘normal’ hearts from subjects who had died of non-cardiac causes.Methods and results : Hearts (n = 148) were examined from 81 males and 67 females, with an age range of 6 months to 68 years, who had died of non-cardiac causes. The extent and distribution of right ventricular epicardial and intramyocardial fat was assessed macro- and microscopically, respectively. The majority of hearts (85%) contained at least some intramyocardial fat with significantly more fat replacement noted in the right ventricles of older subjects and in females than in males. There was no significant fibrosis or inflammation in any of the 148 cases.Conclusion : Variable amounts of intramyocardial fat may be seen in the right ventricle of subjects dying of non-cardiac related causes. Care should be taken not to confuse this relatively common simple fatty infiltration with ARVC.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.2005.02054.x
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  • 3
    Electronic Resource
    Electronic Resource
    Cystic fibrohistiocytic tumours presenting in the lung: primary or metastatic disease? (2003)
    Oxford, UK : Blackwell Science Ltd
    Histopathology 43 (2003), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Aims:  Cystic fibrohistiocytic tumour of the lung is a rare proliferative process. Its histogenesis is uncertain, but evidence suggests that some cases represent metastatic disease from apparently indolent skin lesions, namely cellular fibrous histiocytomas. This study presents four cases and reviews the literature concerning this pattern of disease and its aetiology.Methods and results:  All patients were male (age range 35–54 years). Two presented with recurrent haemoptysis. Two cases had histories of cutaneous fibrohistiocytic lesions in the chest wall, excised 10 and 23 years prior to presentation with lung disease. Imaging data showed multiple bilateral cystic lung lesions in all four patients with nodular cavitating opacities seen on high-resolution computed tomography scans. Microscopy showed variably dilated thin-walled cystic airspaces lined by cuboidal epithelium and an underlying layer of mildly pleomorphic spindle cells with slightly wavy morphology and storiform architecture, admixed with inflammatory cells. Tumour cells stained for CD68 in three of four cases. All cases were negative for CD34. All patients were alive with disease, although one required pneumonectomy for intractable haemoptysis.Conclusion:  This study and a review of published cases show that the majority of cystic fibrohistiocytic tumours of the lung probably represent metastases from cellular fibrous histiocytomas. However, rare cases may be either primary in origin or the primary site remains occult; the term cystic fibrohistiocytic tumour remains appropriate for such cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.2003.01717.x
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  • 4
    Electronic Resource
    Electronic Resource
    TTF-1 is useful in the diagnosis of pulmonary papillary adenoma (2003)
    Oxford, UK : Blackwell Science Ltd
    Histopathology 43 (2003), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2559.2003.01695.x
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  • 5
    Electronic Resource
    Electronic Resource
    Unusual sclerosing haemangiomas and sclerosing haemangioma-like lesions, and the value of TTF-1 in making the diagnosis (2002)
    Oxford, UK : Blackwell Science Ltd
    Histopathology 41 (2002), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Aims:  Sclerosing haemangiomas typically comprise a mixture of four architectural patterns (papillary, sclerotic, solid and haemorrhagic) and two cell types, eosinophilic cuboidal epithelial lining cells and sheets of rounded cells with either eosinophilic or clear cytoplasm. In most instances, recognition of these architectural and cytological features provides sufficient evidence for diagnosis. This study presents and discusses the histogenesis of four cases where difficulties in diagnosis were encountered, and reports the value of the antibody TTF-1 in making the diagnosis.Methods and results:  Four cases with focal areas reminiscent of sclerosing haemangioma were reviewed and immunostained with an antibody panel including antibodies to TTF-1 and surfactant apoprotein A. Of these, one case was classified as sclerosing haemangioma combined with typical carcinoid, in which there was a mediastinal lymph node metastasis solely comprising the solid component of sclerosing haemangioma. The second was classified as an alveolar adenoma with sclerosing haemangioma-like areas. In the remaining two cases, diagnosis was confounded by presentation with predominantly cystic masses, the largest 70 mm in diameter. Immunohistochemically, TTF-1 was of greater value than surfactant apoprotein, in particular in identifying the solid component of sclerosing haemangioma when this was solely present.Conclusion:  Sclerosing haemangiomas should be considered in the differential diagnosis of cystic pulmonary masses. They may also present histologically as combined tumours and metastasize to mediastinal nodes, indicating an, albeit low, malignant potential. TTF-1 is a valuable antibody in identifying the presence of a sclerosing haemangioma when typical features are absent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2559.2002.01522.x
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  • 6
    Electronic Resource
    Electronic Resource
    The value of classifying interstitial pneumonitis in childhood according to defined histological patterns (1998)
    Oxford, U.K. and Cambridge, USA : Blackwell Science Ltd
    Histopathology 33 (1998), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Aims: Interstitial pneumonitis in children is very rare and most cases have been classified according to their counterparts in adults, although the term ‘chronic pneumonitis of infancy’ has recently been proposed for a particular pattern of interstitial lung disease in infants. We reviewed our paediatric cases of interstitial pneumonitis, first, to look at the spectrum of histological patterns found in this age group and, second, to determine whether the classification of such cases in childhood is both appropriate and worthwhile.〈section xml:id="abs1-1"〉〈title type="main"〉Methods and resultsTwenty-five of 38 open lung biopsies showed an overlapping spectrum of interstitial pneumonitis, including three cases that fulfilled the histological criteria for chronic pneumonitis of infancy. There were 11 cases of reactive pulmonary lymphoid hyperplasia (either lymphoid interstitial pneumonitis or follicular bronchiolitis), five of which were associated with abnormalities of the immune system. Four cases were classified as desquamative interstitial pneumonitis and the remaining seven cases were classified as non-specific interstitial pneumonitis. There were no cases with the histological features of usual interstitial pneumonitis. Most patients responded to steroids but tended to have a residual deficit in lung function. Mortality appeared to be associated with presentation at a young age.〈section xml:id="abs1-2"〉〈title type="main"〉ConclusionClassification of interstitial pneumonitis according to their adult counterparts is appropriate for this younger age group and can provide valuable information for the clinician. The term ‘chronic pneumonitis of infancy’ refers to a specific histological pattern, but whether it represents a separate disease or a reflection of pulmonary immaturity remains to be proven.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2559.1998.00488.x
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  • 7
    Electronic Resource
    Electronic Resource
    Neuron specific enolase (NSE) immunostaining a useful tool for the light microscopical detection of endocrine cell hyperplasia in adult rats exposed to asbestos (1982)
    Springer
    Histochemistry and cell biology 74 (1982), S. 505-513 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Hyperplasia of endocrine cells in the lung of the adult rat exposed to asbestos has only been characterised so far by electron microscopy as there is a lack of reliable staining techniques for their demonstration at light microscopical level. Neuron specific enolase (NSE), an isoenzyme of the glycolytic enzyme enolase has recently been shown to be present in lung endocrine cells. In this study we reveal a marked endocrine cell hyperplasia at light microscopical level in the lungs of adult rats exposed to asbestos using antibodies to NSE. Very large groups of NSE-immunoreactive cells (20–80) were only observed in the lungs of rats exposed to asbestos for 12 months. In addition smaller groups of cells (2–10) known to be present normally and to decrease with age, were rarely noted in the controls but were frequently detected in the treated rats. Immunoreactive NSE is therefore a very good marker for endocrine cell hyperplasia and thus of early neoplastic changes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00496664
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