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2.
J Clin Pathol ; 44(2): 102-6, 1991 Feb.
Article in English | MEDLINE | ID: mdl-1864982

ABSTRACT

Immunohistochemical reactions for macrophages, microglia, and HLA-DR antigens were tested on frozen sections of necropsy brain tissue from 20 fetuses and infants ranging in age from 18 weeks' gestation to 8 months post term. No primary central nervous system disease was present but there were four cases of sudden infant death syndrome (SIDS). Macrophages were detected in all the samples studied and were located in the germinal matrix zone, in perivascular spaces throughout the brain, and in the leptomeninges and subependymal layer. Well differentiated microglia were present in all cases examined after 35 weeks' gestation and less well ramified forms were seen at earlier stages of gestation. HLA-DR antigens were detected on a small number of macrophages, chiefly in a perivascular location, in all but three cases. The fewest reactive cells and the weakest reactions occurred in the youngest fetuses. One case of SIDS showed increased foci of microglia in perivascular white matter: this case and one other case of SIDS were the only cases with well ramified microglia that expressed HLA-DR antigens. These findings may be relevant to an understanding of local immune responses in fetal brain infections, including human immunodeficiency virus infection.


Subject(s)
Brain/cytology , Brain/embryology , Connective Tissue Cells , Connective Tissue/embryology , HLA-DR Antigens/analysis , Macrophages/immunology , Antibodies, Monoclonal , Brain/immunology , Fetus/cytology , Fetus/immunology , Gestational Age , Humans , Immunohistochemistry , Infant , Macrophages/cytology , Sudden Infant Death/pathology
3.
Histopathology ; 14(2): 191-8, 1989 Feb.
Article in English | MEDLINE | ID: mdl-2707751

ABSTRACT

A case of primary intravesical endometrioid carcinoma is described, together with a review of the literature. This represents the fourth reported case of malignant transformation in vesical endometriosis.


Subject(s)
Carcinoma/pathology , Endometriosis/complications , Urinary Bladder Neoplasms/pathology , Carcinoma/complications , Female , Humans , Middle Aged , Urinary Bladder Neoplasms/complications
4.
Postgrad Med J ; 64(750): 313-4, 1988 Apr.
Article in English | MEDLINE | ID: mdl-3186577

ABSTRACT

A 73 year old female presented with progressive hypoproteinaemic oedema which was resistant to treatment. The cause was not established until post-mortem, when it was found that she had angiotropic large cell lymphoma involving the vessels of the large intestine with mucosal ulceration. To our knowledge, this is the first report of angiotropic large cell lymphoma, which usually presents with neurological and skin involvement, presenting with protein-losing enteropathy.


Subject(s)
Hemangioendothelioma/complications , Intestinal Neoplasms/complications , Protein-Losing Enteropathies/complications , Aged , Female , Hemangioendothelioma/diagnosis , Humans , Intestinal Neoplasms/diagnosis
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