Leiomyoma of the mandible: a rapid growing case with immunohistochemical and electron microscopic observations.
Oral Surg Oral Med Oral Pathol Oral Radiol Endod
; 84(1): 45-50, 1997 Jul.
Article
em En
| MEDLINE
| ID: mdl-9247949
ABSTRACT
A rare case of leiomyoma of the mandible is reported together with the conventional histologic, immunohistochemical, and electron microscopic findings. On immunohistochemical evaluation the tumor cells were positive for vimentin, desmin, and alpha-smooth muscle actin but negative for neurogenic antigens and markers for vascular endothelial cells. Ultrastructural examination revealed smooth muscle cell differentiation. The Ki-67 labeling index was 4.7%. The tumor showed rapid increase in size and clinical features suggestive of malignancy. However, on histopathologic evaluation it was diagnosed as a benign neoplasm, and this diagnosis was supported by the results for mitotic rate, Ki-67 labeling index, and p53 immunostaining.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Neoplasias Mandibulares
/
Leiomioma
Tipo de estudo:
Diagnostic_studies
Limite:
Adult
/
Humans
/
Male
Idioma:
En
Ano de publicação:
1997
Tipo de documento:
Article