Your browser doesn't support javascript.
loading
Montrer: 20 | 50 | 100
Résultats 1 - 14 de 14
Filtre
1.
Indian J Biochem Biophys ; 2015 Feb; 52 (1): 107-110
Article Dans Anglais | IMSEAR | ID: sea-157962

Résumé

Autofluorescence exhibited by tissues often interferes with immunofluorescence. Using imaging and spectral analysis, we observed remarkable reduction of autofluorescence of formalin fixed paraffin embedded tissues irradiated with light prior to incubation with immunofluorescent dyes. The technique of photobleaching offers significant improvement in the quality and specificity of immunofluorescence. This has the potential for better techniques for disease diagnosis.


Sujets)
Anticorps antinucléaires/diagnostic , Technique d'immunofluorescence/méthodes , Poumon/cytologie , /méthodes , Photoblanchiment , Spectrométrie de fluorescence/méthodes
2.
Neurol India ; 2005 Jun; 53(2): 216-8
Article Dans Anglais | IMSEAR | ID: sea-120830

Résumé

Atrial myxomas are the most common primary tumors of the heart. Neurologic involvement usually occurs as a stroke with ischemic episodes. Following excision of cardiac myxomas, delayed neurologic events owing to aneurysms are rare and have not been reported from India. We report an operated case of left atrial myxoma. The patient initially presented with a stroke and 6 months after the surgery, developed multiple intracerebral hemorrhages due to the rupture of fusiform cerebral aneurysms, without recurrence of the cardiac tumor.


Sujets)
Angiographie cérébrale , Vaisseaux coronaires/anatomopathologie , Tumeurs du coeur/complications , Humains , Anévrysme intracrânien/étiologie , Imagerie par résonance magnétique , Mâle , Adulte d'âge moyen , Myxome/complications
3.
Neurol India ; 2004 Mar; 52(1): 82-6
Article Dans Anglais | IMSEAR | ID: sea-121029

Résumé

AIMS AND OBJECTIVES: A clinico-pathological study of cerebral aneurysms was undertaken to understand the histopathogical nature of the lesions and to ascertain possible etiological risk factors. MATERIAL AND METHODS: Of the 255 cases of cerebral aneurysms operated upon at our Institute during the two-year period between Jan 1999 to Dec 2000, a detailed study was conducted on 57 cases where the aneurysm sac could be excised and subjected to histopathological examination. Aneurysm sacs were fixed in 10% buffered formaldehyde and processed through graded alcohol. Paraffin-embedded sections were examined, using hematoxylin and eosin, Verhoeff van Gieson's and toluidine blue staining techniques. Histopathological observations were analyzed and correlated with clinical features. RESULTS: The ages of the patients ranged from 17-65 years and there were 33 males and 24 females. Twenty-six patients were chronic smokers and 19 patients had hypertension. There were 54 saccular and 3 fusiform aneurysms, predominantly involving the anterior circulation (52 cases) than posterior circulation (5 cases). In 35 cases, histopathological studies demonstrated mucoid deposits between hyperplastic cellular elements in the true and false aneurysm wall and/or parent artery or vasavasora. The changes were associated with dystrophic changes in the internal elastic lamina. CONCLUSION: Besides significant risk factors like smoking and hypertension, such mucoid vasculopathic changes may have predisposed vessels to structural weakness and aneurysm formation in our patients.


Sujets)
Adolescent , Adulte , Sujet âgé , Rupture d'anévrysme/anatomopathologie , Encéphale/anatomopathologie , Enfant , Enfant d'âge préscolaire , Femelle , Humains , Anévrysme intracrânien/diagnostic , Mâle , Adulte d'âge moyen , Muqueuse/anatomopathologie , Procédures de neurochirurgie , Facteurs de risque , Caractères sexuels
4.
Article Dans Anglais | IMSEAR | ID: sea-85886

Résumé

Pleural effusion is a common clinical entity in medical practice. We report a case wherein extensive investigations failed to yield a diagnosis and medical management including repeated thoracocentesis left the effusion refractory. The patient, a 26 years lady, gave a definite history of catamenial dry cough and wheeze. The mystery was unraveled following exploratory thoracotomy when a giant mediastinal teratomatous cyst with luteinized ovarian tissue was discovered and removed, leading to eventual cure for the patient.


Sujets)
Adulte , Diagnostic différentiel , Femelle , Humains , Tumeurs du médiastin/complications , Épanchement pleural/étiologie , Tératome/complications , Tomodensitométrie
5.
Neurol India ; 2000 Dec; 48(4): 338-42
Article Dans Anglais | IMSEAR | ID: sea-119978

Résumé

In this retrospective study, 382 operated cases of meningiomas were reviewed. 32 cases (8.3%) were histopathologically classified as atypical meningioma. The anatomical locations and histological features in all the thirty-two cases were correlated with their recurrence rates and biological behaviour. The overall recurrence rate for atypical meningioma within two years was 28% as compared to 9.3% in benign meningiomas. It is being emphasized that an accurate histopathological interpretation of atypical meningioma is essential for predicting the recurrence, biological behavior as well as post-operative management modalities.


Sujets)
Adulte , Sujet âgé , Femelle , Études de suivi , Humains , Mâle , Tumeurs des méninges/anatomopathologie , Méningiome/anatomopathologie , Adulte d'âge moyen , Nécrose , Récidive tumorale locale , Études rétrospectives
6.
Indian J Cancer ; 1994 Sep; 31(3): 198-202
Article Dans Anglais | IMSEAR | ID: sea-49566

Résumé

Central neurocytomas are uncommon intracranial neoplasms. More than one hundred cases are documentated in the literature. In this report we describe the clinical and histopathological features in two patients with intraventricular neurocytoma. As the light microscopic features of neurocytoma resemble with that of an oligodendroglioma, it is essential to differentiate these two tumours, using either ultrastructural or immunohistochemical techniques.


Sujets)
Adulte , Tumeurs des ventricules cérébraux/anatomopathologie , Diagnostic différentiel , Femelle , Humains , Immunohistochimie , Mâle , Neurocytome/anatomopathologie , Oligodendrogliome/anatomopathologie
7.
Indian J Pathol Microbiol ; 1994 Jan; 37(1): 87-9
Article Dans Anglais | IMSEAR | ID: sea-73500

Résumé

An attempt was made to find a suitable alternative material for tissue carriers other than gauze and stainless steel capsules. Since polyethylene (high density) wire mesh is resistant to all acids, alkalis and inorganic chemicals and has no known solvent at room temperature, it is a suitable alternative disposable material for histopathological tissue processing purposes.


Sujets)
Matériel jetable , Techniques de préparation histocytologique/instrumentation , Polyéthylènes
8.
Indian J Cancer ; 1992 Jun; 29(2): 86-9
Article Dans Anglais | IMSEAR | ID: sea-49703

Résumé

Dysplastic gangliocytoma of the cerebellum is an uncommon malformative lesion and clinically manifest as a slow growing space occupying lesion. In this report, the characteristic clinical and histopathological features of a case of dysplastic gangliocytoma of the cerebellum are described.


Sujets)
Adulte , Tumeurs du cervelet/anatomopathologie , Femelle , Ganglioneurome/anatomopathologie , Humains
SÉLECTION CITATIONS
Détails de la recherche